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High · 7.8 Public exploit CVE-2026-64531 EUVD-2026-49109GHSA-4pwv-pmm4-fw4r

net: openvswitch: reject oversized nested action attrs

Published Jul 27, 2026 · Updated Oct 19, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-6.12 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-5.8 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-7.0 Package: linux-aws-fips Package: linux-azure 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-5.8 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-7.0 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-6.17 Package: linux-azure-fde-6.2 Package: linux-azure-fde-6.8 Package: linux-azure-fde-7.0 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-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-5.8 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-7.0 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-5.8 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-7.0 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 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-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-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-7.0 Package: linux-nvidia-bos 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-oem-7.0 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-5.8 Package: linux-oracle-6.14 Package: linux-oracle-6.17 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-oracle-7.0 Package: linux-raspi 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-riscv-7.0 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: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

net: openvswitch: reject oversized nested action attrs

Open vSwitch stores generated flow actions as nlattrs, whose nla_len
field is u16. Commit a1e64addf3ff ("net: openvswitch: remove
misbehaving actions length check") allowed the total sw_flow_actions
stream to grow beyond 64 KiB, which is valid, but also removed the last
guard preventing a generated nested action attribute from exceeding
U16_MAX.

An oversized generated container can thus be closed with a truncated
nla_len. A later dump or teardown then walks a structurally different
stream than the one that was validated. In particular, an oversized
nested CLONE/CT action may cause subsequent bytes in the generated
stream to be interpreted as independent actions.

Keep the larger total-action-stream behavior, but make nested action
close reject generated containers that do not fit in nla_len, and return
the error through all callers. For recursive SAMPLE, CLONE, DEC_TTL, and
CHECK_PKT_LEN builders, trim resource-owning action-list tails in reverse
construction order before discarding failed wrappers, so resources copied
into the rejected tails are released before the wrappers are removed.

Most failed outer wrappers are discarded by truncating actions_len after
child resources have been released. CHECK_PKT_LEN also trims its parent
after branch resources are gone. SET/TUNNEL close failures unwind their
known tun_dst ownership directly, and SET_TO_MASKED has no external
ownership and truncates on close failure.

Affected products

VendorProductAffectedFixed
Linux Linux 5.15.180 – < 5.15.212, 6.1.132 – < 6.1.178, 6.6.84 – < 6.6.145, 6.12.20 – < 6.12.97, 6.13.8 – < 6.14, 6.14 5.15.212

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 7.1.5-1 —
Debian 13 linux 6.12.100-1 —
Debian 12 linux 6.1.180-1 —
Debian 12 linux-6.12 6.12.100-1~deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1029.34 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1098.100 —
Ubuntu 26.04 LTS linux 7.0.0-30.30 USN-8659-1
Ubuntu 26.04 LTS linux-aws +2 7.0.0-1011.11 USN-8659-3, USN-8659-1
Ubuntu 26.04 LTS linux-gcp +1 7.0.0-1010.10 USN-8660-1, USN-8659-4
Ubuntu 26.04 LTS linux-gke 7.0.0-1005.6 USN-8660-1
Ubuntu 26.04 LTS linux-ibm +1 7.0.0-1012.12 USN-8659-3, USN-8659-1
Ubuntu 26.04 LTS linux-nvidia 7.0.0-1018.18 USN-8760-2
Ubuntu 26.04 LTS linux-nvidia-bos 7.0.0-2018.18 USN-8800-1
Ubuntu 26.04 LTS linux-raspi 7.0.0-1017.17 USN-8659-1
Ubuntu 26.04 LTS linux-riscv +1 7.0.0-30.30.1 USN-8659-1
Ubuntu 24.04 LTS linux 6.8.0-138.138 USN-8643-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1063.66 USN-8643-1
Ubuntu 24.04 LTS linux-aws-7.0 +2 7.0.0-1011.11~24.04.1 USN-8728-3, USN-8728-1, USN-8659-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1065.73 USN-8643-1
Ubuntu 24.04 LTS linux-azure-7.0 7.0.0-1014.14~24.04.1 USN-8728-2
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1064.71 USN-8643-4
Ubuntu 24.04 LTS linux-azure-fde-7.0 7.0.0-1013.13~24.04.1 —
Ubuntu 24.04 LTS linux-gcp 6.8.0-1066.74 USN-8643-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1061.69 USN-8643-2
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1048.52 USN-8643-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-30.30~24.04.1 USN-8659-2
Ubuntu 24.04 LTS linux-ibm 6.8.0-1063.64 USN-8643-5
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-138.138.1 USN-8643-2
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1061.64 USN-8643-3
Ubuntu 24.04 LTS linux-nvidia-6.17 6.17.0-1032.32 USN-8748-1
Ubuntu 24.04 LTS linux-nvidia-7.0 7.0.0-1018.18~24.04.1 USN-8760-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1061.64.1 USN-8643-3
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1032.34 USN-8643-4
Ubuntu 24.04 LTS linux-oem-6.17 6.17.0-1033.33 USN-8911-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1060.63 USN-8643-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1063.67 USN-8643-5
Ubuntu 24.04 LTS linux-riscv +26 No fix yet —
Ubuntu 24.04 LTS linux-riscv-7.0 7.0.0-30.30.1~24.04.1 —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1035.36 USN-8643-1
Ubuntu 22.04 LTS linux +1 5.15.0-190.200 USN-8661-2, USN-8658-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1114.121 USN-8658-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1063.66~22.04.1 USN-8643-4
Ubuntu 22.04 LTS linux-azure +1 5.15.0-1119.128 USN-8658-3
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1065.73~22.04.1 USN-8643-5
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1064.71~22.04.1 USN-8643-4
Ubuntu 22.04 LTS linux-gcp 5.15.0-1114.124 USN-8661-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1066.74~22.04.1 USN-8643-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1110.116 USN-8661-3
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1097.105 USN-8658-1
Ubuntu 22.04 LTS linux-hwe-6.8 +1 6.8.0-138.138~22.04.1 USN-8656-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1108.112 USN-8658-2
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1063.64~22.04.1 USN-8643-5
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1109.115 USN-8658-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1106.111 USN-8658-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-138.138.1~22.04.1 USN-8643-2
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1109.110 USN-8658-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1061.64~22.04.1 USN-8643-3
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1066.68 USN-8658-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1055.55 USN-8658-3
Ubuntu 22.04 LTS linux-oracle 5.15.0-1111.117 USN-8658-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1060.63~22.04.1 USN-8643-5
Ubuntu 22.04 LTS linux-raspi 5.15.0-1108.111 USN-8661-5
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1077.81 USN-8658-1
Show 13 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
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 6.8.0-2052.54 USN-8643-5
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1058.59 USN-8643-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 +1 No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1106.108 USN-8658-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1113.122 USN-8658-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1058.59~22.04.1 USN-8643-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-aws-fips 6.8.0-1063.66+fips1 USN-8643-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1065.73+fips1 USN-8643-4
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-138.138+fips1 USN-8643-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1066.74+fips1 USN-8643-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1114.121+fips1 USN-8658-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1119.128+fips1 USN-8658-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-190.200+fips1 USN-8661-3
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1114.124+fips1 USN-8661-1
Ubuntu Pro 26.04 LTS linux 7.0.0-30.30 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-aws 7.0.0-1011.11 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-azure 7.0.0-1012.12 LSN-0122-1
Ubuntu Pro 26.04 LTS linux-gcp 7.0.0-1010.10 LSN-0122-1
Ubuntu Pro 24.04 LTS linux 6.8.0-142.142 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-aws 6.8.0-1065.68 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-azure 6.8.0-1068.76 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gcp 6.8.0-1069.77 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-gke 6.8.0-1064.72 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-ibm 6.8.0-1065.66 LSN-0122-1
Ubuntu Pro 24.04 LTS linux-oracle 6.8.0-1062.65 LSN-0122-1
Ubuntu Pro 22.04 LTS linux 5.15.0-202.212 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws 5.15.0-1119.126 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-aws-6.8 6.8.0-1065.68~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-azure 5.15.0-1125.134 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp 5.15.0-1120.130 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gcp-6.8 6.8.0-1069.77~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-gke 5.15.0-1115.121 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-hwe-6.8 6.8.0-149.149~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm 5.15.0-1113.117 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-ibm-6.8 6.8.0-1066.67~22.04.1 LSN-0122-1
Ubuntu Pro 22.04 LTS linux-lowlatency 5.15.0-197.207 LSN-0122-1
Ubuntu Pro 20.04 LTS linux 5.4.0-245.265 LSN-0122-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1114.121~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-azure-5.15 +1 5.15.0-1119.128~20.04.1 USN-8661-1, USN-8658-4
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1114.124~20.04.1 USN-8661-4
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-190.200~20.04.1 USN-8661-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1108.112~20.04.1 USN-8658-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1109.115~20.04.1 USN-8658-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1066.68~20.04.1 USN-8658-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1111.117~20.04.1 USN-8658-1
Ubuntu Pro 18.04 LTS linux 4.15.0-260.272 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1197.210 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1207.222 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1190.207 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-245.265~18.04.1 LSN-0122-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1160.171 LSN-0122-1
Ubuntu Pro 16.04 LTS linux 4.4.0-291.325 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws 4.4.0-1200.215 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1197.210~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1208.223~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1190.207~16.04.1 LSN-0122-1
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-260.272~16.04.2 LSN-0122-1
ReleasePackageFixed inAdvisory
RHEL 10 kpatch-patch-6_12_0-211_16_1 1-7.el10_2 RHSA-2026:59143
RHEL 10 rv +76 6.12.0-211.46.1.el10_2 RHSA-2026:53330
RHEL 9 kpatch-patch-5_14_0-687_10_1 1-7.el9_8 RHSA-2026:59149
RHEL 9 rv +75 5.14.0-687.38.1.el9_8 RHSA-2026:53329
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 9.4 E4S bpftool 7.3.0-427.143.1.el9_4 RHSA-2026:51746
RHEL 9.4 E4S kpatch-patch-5_14_0-427_100_1 1-13.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_113_1 1-11.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_126_1 1-8.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_68_2 1-20.el9_4 RHSA-2026:59145
RHEL 9.4 E4S kpatch-patch-5_14_0-427_84_1 1-15.el9_4 RHSA-2026:59145
RHEL 9.4 E4S rv +62 5.14.0-427.143.1.el9_4 RHSA-2026:51746
RHEL 9.2 E4S bpftool 7.0.0-284.186.1.el9_2 RHSA-2026:51603
RHEL 9.2 E4S kernel-rt +14 5.14.0-284.186.1.rt14.471.el9_2 RHSA-2026:51604
RHEL 9.2 E4S kpatch-patch-5_14_0-284_117_1 1-20.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_134_1 1-14.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_148_1 1-12.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_158_1 1-10.el9_2 RHSA-2026:59147
RHEL 9.2 E4S kpatch-patch-5_14_0-284_172_1 1-7.el9_2 RHSA-2026:59147
RHEL 9.2 E4S perf +47 5.14.0-284.186.1.el9_2 RHSA-2026:51603

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 rv +74 6.12.0-211.46.1.el10_2 ALSA-2026:53330
AlmaLinux 9 rv +73 5.14.0-687.38.1.el9_8 ALSA-2026:53329

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 kernel 6.12.0-211.46.1.el10_2 RLSA-2026:53330
Rocky Linux 9 kernel 5.14.0-687.38.1.el9_8 RLSA-2026:53329
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed kernel-source 7.1.7-1.1 openSUSE-SU-2026:11476-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.18.38-76.139 +2 1:1.0-0.amzn2023 ALAS2023-2026-2005, ALAS2023-2026-2004, ALAS2023-2026-2003
Amazon Linux 2023 perf +11 1:6.1.176-223.369.amzn2023 ALAS2023-2026-2005
Amazon Linux 2023 perf6.12 +11 1:6.12.94-123.192.amzn2023 ALAS2023-2026-2004
Amazon Linux 2023 perf6.18 +12 1:6.18.38-76.139.amzn2023 ALAS2023-2026-2003

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.145.2-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 10 rv +29 6.12.0-211.46.1.el10_2 ELSA-2026-53330
Oracle Linux 9 bpftool +1 5.15.0-322.203.3.5.el9uek ELSA-2026-500248, ELSA-2026-500150, ELSA-2026-500137
Oracle Linux 9 kernel-uek64k +33 6.12.0-204.92.4.4.3.el10uek ELSA-2026-500248, ELSA-2026-500150, ELSA-2026-500135
Oracle Linux 9 rv +28 5.14.0-687.38.1.el9_8 ELSA-2026-53329
Oracle Linux 8 bpftool +18 5.15.0-322.203.3.5.el9uek ELSA-2026-500249, ELSA-2026-500162

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 4 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 50

References