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Critical · 9.8 CVE-2026-74556 EUVD-2026-59621GHSA-2m3x-37gx-2chv

scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer

Published Aug 15, 2026 · Updated Oct 16, 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-5.4 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-7.0 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-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-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-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-5.4 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-7.0 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-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-5.4 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-oracle-7.0 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-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:

scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer

iscsi_tcp_hdr_dissect() receives the data segment of several PDU types
into the fixed-size conn->data buffer, which is allocated for
ISCSI_DEF_MAX_RECV_SEG_LEN (8192) bytes. For the LOGIN_RSP, TEXT_RSP,
REJECT and ASYNC_EVENT opcodes the dissect path already rejects a PDU
whose DataSegmentLength exceeds that buffer.

The SCSI Command Response (ISCSI_OP_SCSI_CMD_RSP) path also copies its
data segment (sense/response data) into conn->data via
iscsi_tcp_data_recv_prep(), but it does so without the same check. The
only upstream bound on in.datalen is conn->max_recv_dlength, the
initiator's advertised MaxRecvDataSegmentLength, which is commonly
negotiated well above 8192 (open-iscsi defaults to 262144). A target
that returns a SCSI Response with a DataSegmentLength between 8193 and
max_recv_dlength therefore overflows the 8192-byte conn->data buffer.

Once the same bound applies, ISCSI_OP_SCSI_CMD_RSP is handled exactly
like those responses: bound the data segment, receive it into conn->data
when present, and otherwise complete the PDU with no data. Fold the
opcode into that case group rather than duplicating the check.

Affected products

VendorProductAffectedFixed
Linux Linux 2.6.29 5.10.265

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 7.1.8-1 —
Debian 13 linux 6.12.105-1 —
Debian 12 linux 6.1.187-1 —
Debian 12 linux-6.12 6.12.107-1~deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 24.04 LTS linux-bluefield 6.8.0-1036.41 —
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1101.103 —
Ubuntu 26.04 LTS linux 7.0.0-42.42 USN-8959-1
Ubuntu 26.04 LTS linux-aws 7.0.0-1016.17 USN-8959-1
Ubuntu 26.04 LTS linux-azure 7.0.0-1020.21 USN-9019-1
Ubuntu 26.04 LTS linux-azure-fde 7.0.0-1019.19 USN-9020-1
Ubuntu 26.04 LTS linux-gcp 7.0.0-1016.18 USN-8959-1
Ubuntu 26.04 LTS linux-gke 7.0.0-1010.11 USN-9020-1
Ubuntu 26.04 LTS linux-ibm +1 7.0.0-1017.17 USN-8960-1, USN-8959-1
Ubuntu 26.04 LTS linux-nvidia +1 No fix yet —
Ubuntu 26.04 LTS linux-oracle 7.0.0-1015.16 USN-8959-1
Ubuntu 26.04 LTS linux-raspi 7.0.0-1023.23 USN-9021-1
Ubuntu 26.04 LTS linux-realtime 7.0.0-43.43.1 USN-9020-1
Ubuntu 26.04 LTS linux-riscv 7.0.0-42.42.1 —
Ubuntu 24.04 LTS linux 6.8.0-149.149 USN-9022-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1069.74 USN-9022-1
Ubuntu 24.04 LTS linux-aws-7.0 7.0.0-1017.18~24.04.1 USN-9020-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1073.82 USN-9022-1
Ubuntu 24.04 LTS linux-azure-fde 6.8.0-1071.78 USN-9039-1
Ubuntu 24.04 LTS linux-azure-fde-7.0 7.0.0-1019.19~24.04.1 USN-9020-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1073.81 USN-9022-1
Ubuntu 24.04 LTS linux-gcp-7.0 7.0.0-1017.19~24.04.1 USN-9020-1
Ubuntu 24.04 LTS linux-gke 6.8.0-1068.77 USN-9022-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1053.57 USN-9023-1
Ubuntu 24.04 LTS linux-hwe-7.0 7.0.0-42.42~24.04.1 USN-8959-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1069.70 USN-9022-1
Ubuntu 24.04 LTS linux-lowlatency 6.8.0-149.149.1 USN-9022-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1067.70 USN-9024-1
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1067.70.1 USN-9040-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1035.38 USN-8781-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1067.71 USN-9022-1
Ubuntu 24.04 LTS linux-oracle-7.0 7.0.0-1016.18~24.04.1 USN-9020-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1068.72 USN-9025-1
Ubuntu 24.04 LTS linux-riscv +31 No fix yet —
Ubuntu 24.04 LTS linux-riscv-7.0 7.0.0-42.42.1~24.04.1 —
Ubuntu 24.04 LTS linux-vmware 6.8.0-1010.10 USN-9022-1
Ubuntu 22.04 LTS linux 5.15.0-198.208 USN-8875-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1117.124 USN-8875-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1069.74~22.04.1 USN-9024-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1123.132 USN-8875-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1073.82~22.04.1 USN-9026-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1122.131 USN-8876-1
Ubuntu 22.04 LTS linux-azure-fde-6.8 6.8.0-1071.78~22.04.1 USN-9026-1
Ubuntu 22.04 LTS linux-gcp 5.15.0-1118.128 USN-8877-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1073.81~22.04.1 USN-9024-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1113.119 USN-8875-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1100.108 USN-8875-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-149.149~22.04.1 USN-9066-1
Ubuntu 22.04 LTS linux-ibm 5.15.0-1111.115 USN-8875-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1069.70~22.04.1 USN-9024-1
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1112.118 USN-8875-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1109.114 USN-8875-1
Ubuntu 22.04 LTS linux-lowlatency 5.15.0-195.205 USN-8875-1
Ubuntu 22.04 LTS linux-lowlatency-hwe-6.8 6.8.0-149.149.1~22.04.1 USN-9024-1
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1112.113 USN-8875-2
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1070.72 USN-8963-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1059.59 USN-8963-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1114.120 USN-8875-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1067.71~22.04.1 USN-9025-1
Ubuntu 22.04 LTS linux-raspi 5.15.0-1113.116 USN-9029-1
Ubuntu 22.04 LTS linux-riscv +33 No fix yet —
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1080.84 USN-8875-1
Show 18 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 6.8.0-2056.58 USN-9025-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1064.65 USN-9023-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime-6.14 +1 No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1109.111 USN-8875-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1116.125 USN-8875-1
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1064.65~22.04.1 USN-9024-1
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 6.8.0-1069.74+fips1 USN-9023-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-azure-fips 6.8.0-1073.82+fips1 USN-9022-1
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-gcp-fips 6.8.0-1073.81+fips1 USN-9023-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1117.124+fips1 USN-8875-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1123.132+fips1 USN-8875-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-198.208+fips1 USN-8875-1
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1118.128+fips1 USN-8877-1
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 16.04 LTS linux-fips No fix yet —
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux +10 No fix yet —
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1117.124~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1123.132~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-azure-fde-5.15 5.15.0-1122.131~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1118.128~20.04.1 USN-8878-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 5.15.0-198.208~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 +1 5.15.0-1111.115~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1112.118~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-lowlatency-hwe-5.15 5.15.0-195.205~20.04.1 USN-8875-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1070.72~20.04.1 USN-8963-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1114.120~20.04.1 USN-8879-1
Ubuntu Pro 18.04 LTS linux +12 No fix yet —
Ubuntu Pro 16.04 LTS linux +7 No fix yet —
Ubuntu Pro 14.04 LTS linux +3 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 10 rv +76 6.12.0-211.55.1.el10_2 RHSA-2026:67471
RHEL 9 rv +75 5.14.0-687.48.1.el9_8 RHSA-2026:67470
RHEL 8 kernel-rt +12 4.18.0-553.163.1.rt7.504.el8_10 RHSA-2026:67469
RHEL 8 perf +26 4.18.0-553.163.1.el8_10 RHSA-2026:67468
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 10.0 EUS rv +77 6.12.0-55.117.1.el10_0 RHSA-2026:94508
RHEL 9.6 EUS rv +77 5.14.0-570.152.1.el9_6 RHSA-2026:91492
RHEL 9.4 E4S bpftool 7.3.0-427.161.1.el9_4 RHSA-2026:94109
RHEL 9.4 E4S rv +62 5.14.0-427.161.1.el9_4 RHSA-2026:94109
RHEL 9.2 E4S bpftool 7.0.0-284.202.1.el9_2 RHSA-2026:94477
RHEL 9.2 E4S kernel-rt +14 5.14.0-284.202.1.rt14.487.el9_2 RHSA-2026:94558
RHEL 9.2 E4S perf +47 5.14.0-284.202.1.el9_2 RHSA-2026:94477
RHEL 8.6 EUS Long Life perf +25 4.18.0-372.220.1.el8_6 RHSA-2026:77216
RHEL 8.6 AUS perf +17 4.18.0-372.220.1.el8_6 RHSA-2026:77216
RHEL 8.4 EUS Long Life perf +25 4.18.0-305.211.1.el8_4 RHSA-2026:77217
RHEL 8.4 AUS perf +17 4.18.0-305.211.1.el8_4 RHSA-2026:77217

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 rv +74 6.12.0-211.55.1.el10_2 ALSA-2026:67471
AlmaLinux 9 rv +73 5.14.0-687.48.1.el9_8 ALSA-2026:67470
AlmaLinux 8 kernel-rt +9 4.18.0-553.163.1.rt7.504.el8_10 ALSA-2026:67469
AlmaLinux 8 perf +24 4.18.0-553.163.1.el8_10 ALSA-2026:67468

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 kernel 6.12.0-211.55.1.el10_2 RLSA-2026:67471
Rocky Linux 9 kernel 5.14.0-687.48.1.el9_8 RLSA-2026:67470
Rocky Linux 8 kernel 4.18.0-553.163.1.el8_10 RLSA-2026:67468
Rocky Linux 8 kernel-rt 4.18.0-553.163.1.rt7.504.el8_10 RLSA-2026:67469
ReleasePackageFixed inAdvisory
SLES 15 SP7 kernel-64kb +7 6.4.0-150700.53.81.1 SUSE-SU-2026:4254-1
SLES 15 SP7 kernel-default-base 6.4.0-150700.53.81.1.150700.17.45.1 SUSE-SU-2026:4254-1
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.135.1 SUSE-SU-2026:4369-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.135.1.150600.12.62.4 SUSE-SU-2026:4369-1
SLES 15 SP5 kernel-64kb +4 5.14.21-150500.55.192.2 SUSE-SU-2026:4667-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.192.2.150500.6.89.2 SUSE-SU-2026:4667-1
SLES 15 SP5 kernel-docs +1 5.14.21-150500.55.192.1 SUSE-SU-2026:4667-1
SLES 15 SP4 kernel-64kb +2 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.240.2.150400.24.120.2 SUSE-SU-2026:4284-1
SLES 15 SP4 kernel-docs +3 5.14.21-150400.24.240.1 SUSE-SU-2026:4284-1
SLES 12 SP5 kernel-syms +2 4.12.14-122.328.1 SUSE-SU-2026:4282-1
Show 20 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 11 SP4 kernel-ec2 +6 3.0.101-108.223.1 SUSE-SU-2026:4639-1
SLES for SAP 16.0 kernel-64kb +8 6.12.0-160000.38.1 SUSE-SU-2026:23902-1
SLES for SAP 16.0 kernel-default-base 6.12.0-160000.38.1.160000.2.23 SUSE-SU-2026:23902-1
SLES for SAP 15 SP6 kernel-default-base 6.4.0-150600.23.135.1.150600.12.62.4 SUSE-SU-2026:4369-1
SLES for SAP 15 SP6 kernel-docs +4 6.4.0-150600.23.135.1 SUSE-SU-2026:4369-1
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.192.2.150500.6.89.2 SUSE-SU-2026:4667-1
SLES for SAP 15 SP5 kernel-docs +1 5.14.21-150500.55.192.1 SUSE-SU-2026:4667-1
SLES for SAP 15 SP5 kernel-source +2 5.14.21-150500.55.192.2 SUSE-SU-2026:4667-1
SLES for SAP 15 SP4 kernel-default 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.240.2.150400.24.120.2 SUSE-SU-2026:4284-1
SLES for SAP 15 SP4 kernel-docs +3 5.14.21-150400.24.240.1 SUSE-SU-2026:4284-1
SLES 16.0 kernel-64kb +8 6.12.0-160000.38.1 SUSE-SU-2026:23902-1, SUSE-SU-2026:23897-1
SLES 16.0 kernel-default-base 6.12.0-160000.38.1.160000.2.23 SUSE-SU-2026:23902-1
SLE Micro 6.2 kernel-default-base 6.12.0-160000.38.1.160000.2.23 SUSE-SU-2026:23887-1
SLE Micro 6.2 kernel-rt +5 6.12.0-160000.38.1 SUSE-SU-2026:23887-1, SUSE-SU-2026:23881-1
SLE Micro 6.1 kernel-default-base 6.4.0-52.1.21.34 SUSE-SU-2026:23529-1
SLE Micro 6.1 kernel-rt +4 6.4.0-52.1 SUSE-SU-2026:23529-1, SUSE-SU-2026:23528-1
SLE Micro 6.0 kernel-default-base 6.4.0-52.1.21.36 SUSE-SU-2026:23481-1
SLE Micro 6.0 kernel-rt +4 6.4.0-52.1 SUSE-SU-2026:23481-1, SUSE-SU-2026:23477-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.192.2.150500.6.89.2 SUSE-SU-2026:4667-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.164.1 SUSE-SU-2026:4665-1
SLE Micro 5.5 kernel-source +1 5.14.21-150500.55.192.2 SUSE-SU-2026:4667-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.240.2.150400.24.120.2 SUSE-SU-2026:4284-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.186.1 SUSE-SU-2026:4279-1
SLE Micro 5.4 kernel-source 5.14.21-150400.24.240.1 SUSE-SU-2026:4284-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.240.2.150400.24.120.2 SUSE-SU-2026:4284-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.186.1 SUSE-SU-2026:4279-1
SLE Micro 5.3 kernel-source 5.14.21-150400.24.240.1 SUSE-SU-2026:4284-1
SLE Live Patching 15 SP7 kernel-default 6.4.0-150700.53.81.1 SUSE-SU-2026:4254-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7-RT_Update_20 1-150700.1.3.1 SUSE-SU-2026:4120-1
SLE Live Patching 15 SP7 kernel-livepatch-SLE15-SP7_Update_21 1-150700.15.3.1 SUSE-SU-2026:4254-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.135.1 SUSE-SU-2026:4369-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_31 1-150600.13.3.4 SUSE-SU-2026:4369-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.192.2 SUSE-SU-2026:4667-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_46 1-150500.11.3.2 SUSE-SU-2026:4667-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_59 1-150400.9.5.1 SUSE-SU-2026:4284-1
SLE Live Patching 12 SP5 kernel-default 4.12.14-122.328.1 SUSE-SU-2026:4282-1
SLE Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_87 1-8.5.1 SUSE-SU-2026:4282-1
SLE HPC 15 SP5 kernel-64kb +3 5.14.21-150500.55.192.2 SUSE-SU-2026:4667-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.192.2.150500.6.89.2 SUSE-SU-2026:4667-1
SLE HPC 15 SP5 kernel-docs +1 5.14.21-150500.55.192.1 SUSE-SU-2026:4667-1
SLE HPC 15 SP4 kernel-64kb +1 5.14.21-150400.24.240.2 SUSE-SU-2026:4284-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.240.2.150400.24.120.2 SUSE-SU-2026:4284-1
SLE HPC 15 SP4 kernel-docs +3 5.14.21-150400.24.240.1 SUSE-SU-2026:4284-1
SUSE Real Time Module 15 SP7 kernel-rt +2 6.4.0-150700.7.75.1 SUSE-SU-2026:4120-1
ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 kernel-default-base 6.12.0-160000.38.1.160000.2.22 openSUSE-SU-2026:21910-1
openSUSE Leap 16.0 kernel-rt +11 6.12.0-160000.38.1 openSUSE-SU-2026:21910-1

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 kernel-livepatch-6.18.44-99.149 +2 1:1.0-0.amzn2023 ALAS2023-2026-2110, ALAS2023-2026-2107, ALAS2023-2026-2106
Amazon Linux 2023 perf +11 1:6.1.182-227.379.amzn2023 ALAS2023-2026-2107
Amazon Linux 2023 perf6.12 +11 1:6.12.103-127.188.amzn2023 ALAS2023-2026-2110
Amazon Linux 2023 perf6.18 +12 1:6.18.44-99.149.amzn2023 ALAS2023-2026-2106

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel 6.6.152.1-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 9 kernel-uek +34 6.12.0-206.104.3.3.el10uek ELSA-2026-500374, ELSA-2026-500248
Oracle Linux 8 bpftool +18 5.15.0-324.217.5.2.el9uek ELSA-2026-500377, ELSA-2026-500249

Advisories 50

References