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Critical · 9.8 CVE-2026-43038 EUVD-2026-26637GHSA-78m7-4xgc-xrrq

ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()

Published May 1, 2026 · Updated Nov 10, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.14 Package: linux-aws-6.17 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.14 Package: linux-azure-6.17 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.15 Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.14 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-azure-nvidia-6.14 Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.14 Package: linux-gcp-6.17 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.11 Package: linux-hwe-6.14 Package: linux-hwe-6.17 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.11 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-lts-xenial Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.17 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.11 Package: linux-oem-6.14 Package: linux-oem-6.17 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.17 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.14 Package: linux-realtime-6.17 Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.14 Package: linux-riscv-6.17 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()

Sashiko AI-review observed:

In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP error packet
where its cb contains an IPv4 inet_skb_parm. When skb is cloned into skb2
and passed to icmp6_send(), it uses IP6CB(skb2).

IP6CB interprets the IPv4 inet_skb_parm as an inet6_skb_parm. The cipso
offset in inet_skb_parm.opt directly overlaps with dsthao in inet6_skb_parm
at offset 18.

If an attacker sends a forged ICMPv4 error with a CIPSO IP option, dsthao
would be a non-zero offset. Inside icmp6_send(), mip6_addr_swap() is called
and uses ipv6_find_tlv(skb, opt->dsthao, IPV6_TLV_HAO).

This would scan the inner, attacker-controlled IPv6 packet starting at that
offset, potentially returning a fake TLV without checking if the remaining
packet length can hold the full 18-byte struct ipv6_destopt_hao.

Could mip6_addr_swap() then perform a 16-byte swap that extends past the end
of the packet data into skb_shared_info?

Should the cb array also be cleared in ip6_err_gen_icmpv6_unreach() and
ip6ip6_err() to prevent this?

This patch implements the first suggestion.

I am not sure if ip6ip6_err() needs to be changed.
A separate patch would be better anyway.

Affected products

VendorProductAffectedFixed
Linux Linux 3.13 5.10.253

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.19.12-1 —
Debian 13 linux 6.12.85-1 —
Debian 12 linux 6.1.170-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1026.30 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1095.97 —
Ubuntu 26.04 LTS linux-nvidia 7.0.0-1006.6 —
Ubuntu 25.10 linux 6.17.0-40.40 USN-8490-1
Ubuntu 25.10 linux-aws 6.17.0-1019.19 USN-8490-1
Ubuntu 25.10 linux-azure +1 No fix yet —
Ubuntu 25.10 linux-gcp 6.17.0-1020.22 USN-8490-1
Ubuntu 25.10 linux-oracle 6.17.0-1018.18 USN-8490-1
Ubuntu 25.10 linux-raspi 6.17.0-1021.21 USN-8546-1
Ubuntu 25.10 linux-realtime 6.17.0-1017.19 USN-8490-2
Ubuntu 25.10 linux-riscv 6.17.0-40.40.1 —
Ubuntu 24.04 LTS linux 6.8.0-134.134 USN-8492-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1060.63 USN-8492-1
Ubuntu 24.04 LTS linux-aws-6.17 6.17.0-1019.19~24.04.1 USN-8490-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1063.71 USN-8606-1
Ubuntu 24.04 LTS linux-azure-6.17 6.17.0-1021.21~24.04.1 USN-8604-1
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1062.69 USN-8607-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1063.69 USN-8492-1
Ubuntu 24.04 LTS linux-gcp-6.17 6.17.0-1020.22~24.04.1 USN-8490-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1058.64 USN-8492-2
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1045.48 USN-8492-2
Ubuntu 24.04 LTS linux-hwe-6.17 6.17.0-40.40~24.04.1 USN-8545-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1060.61 USN-8492-1
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-134.134.1 USN-8497-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1058.61 USN-8492-1
Ubuntu 24.04 LTS linux-nvidia-6.17 6.17.0-1026.26 USN-8508-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1058.61.1 USN-8492-2
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1029.30 USN-8498-1
Ubuntu 24.04 LTS linux-oem-6.17 6.17.0-1028.28 USN-8491-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1057.58 USN-8492-1
Ubuntu 24.04 LTS linux-oracle-6.17 +1 6.17.0-1018.18~24.04.1 USN-8605-1, USN-8490-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1060.64 USN-8492-4
Ubuntu 24.04 LTS linux-riscv +20 No fix yet —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1032.33 USN-8499-1
Show 22 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS linux 5.15.0-185.195 USN-8493-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1111.118 USN-8493-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1060.63~22.04.1 USN-8492-2
Ubuntu 22.04 LTS linux-azure +1 5.15.0-1116.125 USN-8493-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1063.71~22.04.1 USN-8606-1
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1062.69~22.04.1 USN-8609-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1111.121 USN-8493-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1063.69~22.04.1 USN-8492-2
Ubuntu 22.04 LTS linux-gke 5.15.0-1107.113 USN-8493-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1094.102 USN-8493-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-136.136~22.04.1 USN-8619-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1105.109 USN-8493-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1060.61~22.04.1 USN-8492-2
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1106.112 USN-8493-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1103.108 USN-8493-1
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-183.193 USN-8493-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-134.134.1~22.04.1 USN-8497-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1106.107 USN-8493-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1058.61~22.04.1 USN-8492-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1063.63 USN-8493-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1052.52 USN-8493-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1108.114 USN-8493-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1057.58~22.04.1 USN-8492-2
Ubuntu 22.04 LTS linux-raspi 5.15.0-1105.108 USN-8527-1
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 6.8.0-134.134~22.04.1 —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1074.78 USN-8528-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2049.50 USN-8492-3
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1055.56 USN-8492-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.17 6.17.0-1017.19~24.04.1 USN-8490-2
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1103.105 USN-8493-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1110.119 USN-8493-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1055.56~22.04.1 USN-8492-1
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1060.63+fips1 USN-8492-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1062.69+fips1 USN-8492-5
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-134.134+fips1 USN-8492-5
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1063.69+fips1 USN-8492-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1111.118+fips1 USN-8493-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1116.125+fips1 USN-8547-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-185.195+fips1 USN-8493-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1111.121+fips1 USN-8493-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1161.172+fips1 USN-8615-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1166.172+fips1 USN-8615-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1135.145 USN-8615-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1164.173+fips1 USN-8615-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2132.138 USN-8530-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2112.118 USN-8529-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1149.161 USN-8529-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2095.101 USN-8529-1
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips 4.4.0-1126.133 USN-8548-1
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 26.04 LTS linux 7.0.0-28.28 LSN-0122-1, LSN-0121-1
Ubuntu Pro 26.04 LTS linux-aws 7.0.0-1009.9 LSN-0122-1, LSN-0121-1
Ubuntu Pro 26.04 LTS linux-azure 7.0.0-1010.10 LSN-0122-1, LSN-0121-1
Ubuntu Pro 26.04 LTS linux-gcp 7.0.0-1008.8 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux 6.8.0-136.136 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-aws 6.8.0-1061.64 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-azure 6.8.0-1063.71 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-gcp 6.8.0-1064.72 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-gke 6.8.0-1059.67 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-ibm 6.8.0-1061.62 LSN-0122-1, LSN-0121-1
Ubuntu Pro 24.04 LTS linux-oracle 6.8.0-1058.61 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux 5.15.0-187.197 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-aws 5.15.0-1113.120 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-aws-6.8 6.8.0-1061.64~22.04.1 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-azure 5.15.0-1118.127 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-gcp 5.15.0-1114.124 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-gcp-6.8 6.8.0-1064.72~22.04.1 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-gke 5.15.0-1110.116 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-hwe-6.8 6.8.0-136.136~22.04.1 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-ibm 5.15.0-1107.111 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-ibm-6.8 6.8.0-1061.62~22.04.1 LSN-0122-1, LSN-0121-1
Ubuntu Pro 22.04 LTS linux-lowlatency 5.15.0-197.207 LSN-0122-1
Ubuntu Pro 20.04 LTS linux 5.4.0-233.253 USN-8615-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1161.172 USN-8615-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1111.118~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1166.172 USN-8615-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 +1 5.15.0-1116.125~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-bluefield 5.4.0-1120.127 USN-8615-1
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1164.173 USN-8615-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1111.121~20.04.1 USN-8547-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 5.15.0-185.195~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1107.112 USN-8616-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1105.109~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1106.112~20.04.1 USN-8547-1
Ubuntu Pro 20.04 LTS linux-iot 5.4.0-1065.68 USN-8615-1
Ubuntu Pro 20.04 LTS linux-kvm 5.4.0-1148.157 USN-8617-1
Ubuntu Pro 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-183.193~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1063.63~20.04.1 USN-8493-1
Ubuntu Pro 20.04 LTS linux-oracle 5.4.0-1159.169 USN-8615-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1108.114~20.04.1 USN-8493-2
Ubuntu Pro 20.04 LTS linux-raspi 5.4.0-1144.157 USN-8615-2
Ubuntu Pro 20.04 LTS linux-xilinx-zynqmp 5.4.0-1079.83 USN-8615-1
Ubuntu Pro 18.04 LTS linux 4.15.0-253.265 USN-8529-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1194.207 USN-8530-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1161.172~18.04.1 USN-8615-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1204.219 USN-8529-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1166.172~18.04.1 USN-8615-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1187.204 USN-8529-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1164.173~18.04.1 USN-8615-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-233.253~18.04.1 USN-8615-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1107.112~18.04.1 USN-8616-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1176.181 USN-8529-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1156.167 USN-8529-1, LSN-0122-1, LSN-0121-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1159.169~18.04.1 USN-8615-1
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1144.157~18.04.1 USN-8615-2
Ubuntu Pro 16.04 LTS linux 4.4.0-283.317 USN-8548-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1194.209 USN-8548-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1194.207~16.04.1 USN-8530-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1204.219~16.04.1 USN-8529-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1187.204~16.04.1 USN-8529-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-253.265~16.04.1 USN-8529-2, LSN-0122-1, LSN-0121-1
Ubuntu Pro 16.04 LTS linux-kvm 4.4.0-1157.168 USN-8548-2
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1156.167~16.04.1 USN-8529-2
Ubuntu Pro 14.04 LTS linux 3.13.0-214.265 USN-8501-1
Ubuntu Pro 14.04 LTS linux-aws 4.4.0-1156.162 USN-8548-1
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1205.220~14.04.1 USN-8635-1
Ubuntu Pro 14.04 LTS linux-lts-xenial 4.4.0-283.317~14.04.1 USN-8548-1
ReleasePackageFixed inAdvisory
RHEL 10 kpatch-patch-6_12_0-211_16_1 1-6.el10_2 RHSA-2026:55618
RHEL 10 rv +76 6.12.0-211.28.1.el10_2 RHSA-2026:30129
RHEL 9 kpatch-patch-5_14_0-687_10_1 1-6.el9_8 RHSA-2026:55763
RHEL 9 rv +75 5.14.0-687.19.1.el9_8 RHSA-2026:30848
RHEL 8 kernel-rt +12 4.18.0-553.132.1.rt7.473.el8_10 RHSA-2026:25120
RHEL 8 kpatch-patch-4_18_0-553_109_1 1-9.el8_10 RHSA-2026:55762
RHEL 8 kpatch-patch-4_18_0-553_125_1 1-6.el8_10 RHSA-2026:55762
RHEL 8 kpatch-patch-4_18_0-553_53_1 1-16.el8_10 RHSA-2026:55762
RHEL 8 kpatch-patch-4_18_0-553_72_1 1-13.el8_10 RHSA-2026:55762
RHEL 8 kpatch-patch-4_18_0-553_85_1 1-11.el8_10 RHSA-2026:55762
RHEL 8 perf +26 4.18.0-553.132.1.el8_10 RHSA-2026:25121
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 10.0 EUS rv +77 6.12.0-55.77.1.el10_0 RHSA-2026:24343
RHEL 9.6 EUS kpatch-patch-5_14_0-570_116_1 1-7.el9_6 RHSA-2026:56225
RHEL 9.6 EUS kpatch-patch-5_14_0-570_17_1 1-22.el9_6 RHSA-2026:56225
RHEL 9.6 EUS kpatch-patch-5_14_0-570_39_1 1-13.el9_6 RHSA-2026:56225
RHEL 9.6 EUS kpatch-patch-5_14_0-570_66_1 1-12.el9_6 RHSA-2026:56225
RHEL 9.6 EUS kpatch-patch-5_14_0-570_94_1 1-10.el9_6 RHSA-2026:56225
RHEL 9.6 EUS rv +77 5.14.0-570.119.1.el9_6 RHSA-2026:23224
RHEL 9.4 E4S bpftool 7.3.0-427.129.1.el9_4 RHSA-2026:23237
RHEL 9.4 E4S kpatch-patch-5_14_0-427_100_1 1-12.el9_4 RHSA-2026:56224
RHEL 9.4 E4S kpatch-patch-5_14_0-427_113_1 1-10.el9_4 RHSA-2026:56224
RHEL 9.4 E4S kpatch-patch-5_14_0-427_126_1 1-7.el9_4 RHSA-2026:56224
RHEL 9.4 E4S kpatch-patch-5_14_0-427_68_2 1-19.el9_4 RHSA-2026:56224
RHEL 9.4 E4S kpatch-patch-5_14_0-427_84_1 1-14.el9_4 RHSA-2026:56224
RHEL 9.4 E4S rv +62 5.14.0-427.129.1.el9_4 RHSA-2026:23237
RHEL 9.2 E4S bpftool 7.0.0-284.174.1.el9_2 RHSA-2026:22940
RHEL 9.2 E4S kernel-rt +14 5.14.0-284.174.1.rt14.459.el9_2 RHSA-2026:22900
RHEL 9.2 E4S kpatch-patch-5_14_0-284_117_1 1-19.el9_2 RHSA-2026:55837
RHEL 9.2 E4S kpatch-patch-5_14_0-284_134_1 1-13.el9_2 RHSA-2026:55837
RHEL 9.2 E4S kpatch-patch-5_14_0-284_148_1 1-11.el9_2 RHSA-2026:55837
RHEL 9.2 E4S kpatch-patch-5_14_0-284_158_1 1-9.el9_2 RHSA-2026:55837
RHEL 9.2 E4S kpatch-patch-5_14_0-284_172_1 1-6.el9_2 RHSA-2026:55837
RHEL 9.2 E4S perf +47 5.14.0-284.174.1.el9_2 RHSA-2026:22940
RHEL 8.8 TUS perf +17 4.18.0-477.145.1.el8_8 RHSA-2026:22964
RHEL 8.8 E4S kpatch-patch-4_18_0-477_107_1 1-12.el8_8 RHSA-2026:55761
RHEL 8.8 E4S kpatch-patch-4_18_0-477_120_1 1-11.el8_8 RHSA-2026:55761
RHEL 8.8 E4S kpatch-patch-4_18_0-477_130_1 1-9.el8_8 RHSA-2026:55761
RHEL 8.8 E4S kpatch-patch-4_18_0-477_143_1 1-5.el8_8 RHSA-2026:55761
RHEL 8.8 E4S kpatch-patch-4_18_0-477_97_1 1-16.el8_8 RHSA-2026:55761
RHEL 8.8 E4S perf +18 4.18.0-477.145.1.el8_8 RHSA-2026:22964
RHEL 8.6 EUS Long Life perf +17 4.18.0-372.195.1.el8_6 RHSA-2026:25533
RHEL 8.6 AUS perf +17 4.18.0-372.195.1.el8_6 RHSA-2026:25533
RHEL 8.4 EUS Long Life perf +17 4.18.0-305.194.1.el8_4 RHSA-2026:26535
RHEL 8.4 AUS perf +17 4.18.0-305.194.1.el8_4 RHSA-2026:26535

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 rv +74 6.12.0-211.28.1.el10_2 ALSA-2026:30129
AlmaLinux 9 rv +73 5.14.0-687.19.1.el9_8 ALSA-2026:30848
AlmaLinux 8 kernel-rt +9 4.18.0-553.132.1.rt7.473.el8_10 ALSA-2026:25120
AlmaLinux 8 perf +24 4.18.0-553.132.1.el8_10 ALSA-2026:25121

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 kernel 6.12.0-211.28.1.el10_2 RLSA-2026:30129
Rocky Linux 8 kernel 4.18.0-553.132.1.el8_10 RXSA-2026:25121, RLSA-2026:25121
Rocky Linux 8 kernel-rt 4.18.0-553.132.1.rt7.473.el8_10 RLSA-2026:25120
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.55.1.150700.17.33.1 SUSE-SU-2026:2238-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.112.1.150600.12.52.1 SUSE-SU-2026:2195-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.177.1 SUSE-SU-2026:3089-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.177.1.150500.6.83.2 SUSE-SU-2026:3089-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.228.1.150400.24.116.1 SUSE-SU-2026:3044-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.317.1 SUSE-SU-2026:2450-1
Show 16 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP6 kernel-default-base 6.4.0-150600.23.112.1.150600.12.52.1 SUSE-SU-2026:2195-1
SLES for SAP 15 SP6 kernel-docs +4 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.177.1.150500.6.83.2 SUSE-SU-2026:3089-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.177.1 SUSE-SU-2026:3089-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.228.1.150400.24.116.1 SUSE-SU-2026:3044-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLE Micro 6.2 kernel-livepatch-SLE16-RT_Update_0 14-160000.3.4 SUSE-SU-2026:22975-1
SLE Micro 6.2 kernel-livepatch-SLE16-RT_Update_1 13-160000.1.1 SUSE-SU-2026:22974-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_0 16-160000.4.3 SUSE-SU-2026:22995-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_1 14-160000.1.1 SUSE-SU-2026:22993-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_2 12-160000.1.1 SUSE-SU-2026:22992-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_3 +1 11-160000.1.1 SUSE-SU-2026:22991-1, SUSE-SU-2026:22973-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_4 +2 10-160000.1.1 SUSE-SU-2026:22990-1, SUSE-SU-2026:22972-1, SUSE-SU-2026:22971-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_5 +1 9-160000.1.1 SUSE-SU-2026:22989-1, SUSE-SU-2026:22970-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_6 +1 8-160000.1.1 SUSE-SU-2026:22988-1, SUSE-SU-2026:22969-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_7 +1 7-160000.1.1 SUSE-SU-2026:22987-1, SUSE-SU-2026:22968-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_8 +1 6-160000.1.1 SUSE-SU-2026:22986-1, SUSE-SU-2026:22967-1
SLE Micro 6.2 kernel-livepatch-SLE16_Update_9 +5 5-160000.1.1 SUSE-SU-2026:22985-1, SUSE-SU-2026:22984-1, SUSE-SU-2026:22983-1
SLE Micro 6.2 kernel-syms +1 6.12.0-160000.33.1 SUSE-SU-2026:21834-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_10 19-1.1 SUSE-SU-2026:23105-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_13 +1 10-1.1 SUSE-SU-2026:23108-1, SUSE-SU-2026:23099-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_22 4-1.2 SUSE-SU-2026:23097-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_10 +1 15-1.1 SUSE-SU-2026:23106-1, SUSE-SU-2026:23093-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_11 +2 14-1.1 SUSE-SU-2026:23107-1, SUSE-SU-2026:23092-1, SUSE-SU-2026:23091-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_13 12-1.1 SUSE-SU-2026:23090-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_14 10-1.2 SUSE-SU-2026:23089-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_16 +1 9-1.1 SUSE-SU-2026:23098-1, SUSE-SU-2026:23088-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_17 +1 8-1.1 SUSE-SU-2026:23104-1, SUSE-SU-2026:23087-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_18 +1 7-1.1 SUSE-SU-2026:23103-1, SUSE-SU-2026:23086-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_19 +1 5-1.1 SUSE-SU-2026:23102-1, SUSE-SU-2026:23085-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_20 +4 4-1.1 SUSE-SU-2026:23101-1, SUSE-SU-2026:23096-1, SUSE-SU-2026:23084-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_9 21-1.2 SUSE-SU-2026:23094-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_10 19-1.1 SUSE-SU-2026:23043-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_13 +1 10-1.1 SUSE-SU-2026:23046-1, SUSE-SU-2026:23030-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_22 4-1.2 SUSE-SU-2026:23028-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_10 +1 15-1.1 SUSE-SU-2026:23044-1, SUSE-SU-2026:23024-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_11 +2 14-1.1 SUSE-SU-2026:23045-1, SUSE-SU-2026:23023-1, SUSE-SU-2026:23022-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_13 12-1.1 SUSE-SU-2026:23021-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_14 10-1.2 SUSE-SU-2026:23020-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_16 +1 9-1.1 SUSE-SU-2026:23029-1, SUSE-SU-2026:23019-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_17 +1 8-1.1 SUSE-SU-2026:23035-1, SUSE-SU-2026:23018-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_18 +1 7-1.1 SUSE-SU-2026:23034-1, SUSE-SU-2026:23017-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_19 +1 5-1.1 SUSE-SU-2026:23033-1, SUSE-SU-2026:23016-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_20 +4 4-1.1 SUSE-SU-2026:23032-1, SUSE-SU-2026:23027-1, SUSE-SU-2026:23015-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_9 21-1.2 SUSE-SU-2026:23025-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.177.1.150500.6.83.2 SUSE-SU-2026:3089-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.151.1 SUSE-SU-2026:2840-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.177.1 SUSE-SU-2026:3089-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.228.1.150400.24.116.1 SUSE-SU-2026:3044-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.176.1 SUSE-SU-2026:2841-1
SLE Micro 5.4 kernel-source +1 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.228.1.150400.24.116.1 SUSE-SU-2026:3044-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.176.1 SUSE-SU-2026:2841-1
SLE Micro 5.3 kernel-source +1 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_12 6-150700.2.1 SUSE-SU-2026:3264-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_14 +1 4-150700.2.1 SUSE-SU-2026:3256-1, SUSE-SU-2026:3246-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_15 1-150700.15.3.1 SUSE-SU-2026:2238-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_3 15-150700.2.1 SUSE-SU-2026:3321-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_5 12-150700.2.1 SUSE-SU-2026:3316-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_6 10-150700.2.1 SUSE-SU-2026:3343-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_9 9-150700.2.1 SUSE-SU-2026:3286-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_18 +1 10-150600.2.1 SUSE-SU-2026:3316-1, SUSE-SU-2026:3256-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_25 4-150600.2.1 SUSE-SU-2026:3254-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_26 1-150600.13.3.1 SUSE-SU-2026:2195-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.177.1 SUSE-SU-2026:3089-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_28 21-150500.2.1 SUSE-SU-2026:3289-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_38 6-150500.2.1 SUSE-SU-2026:3319-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_40 +1 3-150500.2.1 SUSE-SU-2026:3351-1, SUSE-SU-2026:3350-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_43 1-150500.11.5.1 SUSE-SU-2026:3089-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_50 7-150400.2.1 SUSE-SU-2026:3345-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_51 6-150400.2.1 SUSE-SU-2026:3354-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_54 +1 3-150400.2.1 SUSE-SU-2026:3351-1, SUSE-SU-2026:3350-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_57 1-150400.9.3.1 SUSE-SU-2026:3044-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.317.1 SUSE-SU-2026:2450-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_76 11-2.1 SUSE-SU-2026:3388-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_83 4-2.1 SUSE-SU-2026:3383-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_84 1-8.7.1 SUSE-SU-2026:2450-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.177.1 SUSE-SU-2026:3089-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.177.1.150500.6.83.2 SUSE-SU-2026:3089-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.228.1 SUSE-SU-2026:3044-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.228.1.150400.24.116.1 SUSE-SU-2026:3044-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.18.25-52.107 +2 1:1.0-0.amzn2023 ALAS2023-2026-1746, ALAS2023-2026-1695, ALAS2023-2026-1681
Amazon Linux 2023 perf +14 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681
Amazon Linux 2023 perf6.12 +11 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695
Amazon Linux 2023 perf6.18 +11 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 10 rv +29 6.12.0-211.34.1.el10_2 ELSA-2026-30129
Oracle Linux 9 kernel-uek +34 6.12.0-204.92.4.2.el10uek ELSA-2026-50372
Oracle Linux 9 rv +28 5.14.0-687.19.1.el9_8 ELSA-2026-30848
Oracle Linux 8 perf +19 4.18.0-553.132.1.el8_10 ELSA-2026-25121
Oracle Linux 7 kernel-uek +6 5.4.17-2136.358.2.el8uek ELSA-2026-500121
Oracle Linux 7 kernel-uek-tools 5.4.17-2136.358.2.el7uek ELSA-2026-500121

Advisories 50

References