Improper Privilege Management in Linux kernel - CVE-2026-31788

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Main Vulnerability Database Vulnerabilities #VU124445

Improper Privilege Management in Linux kernel - CVE-2026-31788

Published: March 25, 2026


Vulnerability identifier: #VU124445
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-31788
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges and modify kernel memory contents, breaking secure boot protections.

The vulnerability exists due to improper access control in the Xen privcmd driver when handling hypercalls from user space processes in an unprivileged domU running with secure boot enabled. A local user can exploit this by issuing arbitrary hypercalls to escalate privileges and modify kernel memory, compromising the integrity of the secure boot environment.

Exploitation requires the user to have root privileges within the unprivileged domU guest. The impact is particularly severe when secure boot is enabled, as it allows bypassing memory integrity protections.


Affected software

Linux kernel
Debian Linux
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Basesystem Module
Development Tools Module
Legacy Module
Public Cloud Module
openSUSE Leap
Ubuntu
openEuler
Xen
kernel-livepatch-6_4_0-150600_23_95-default-debuginfo
kernel-livepatch-6_4_0-150600_23_95-default
kernel-livepatch-SLE15-SP6_Update_22-debugsource
kernel-livepatch-6_4_0-150700_7_37-rt
kernel-livepatch-SLE15-SP7-RT_Update_11-debugsource
kernel-livepatch-6_4_0-150700_7_37-rt-debuginfo
kernel-livepatch-SLE15-SP7_Update_11-debugsource
kernel-livepatch-6_4_0-150700_53_37-default
kernel-livepatch-6_4_0-150700_53_37-default-debuginfo
perf
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf-debuginfo
python3-perf
python3-perf-debuginfo
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux-gcp-5.15 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure-fde (Ubuntu package)
linux (Debian package)
dtb-altera
gfs2-kmp-64kb-debuginfo
kernel-64kb-debugsource
kselftests-kmp-64kb-debuginfo
dtb-cavium
dtb-apm
dtb-amd
reiserfs-kmp-64kb-debuginfo
dtb-arm
kselftests-kmp-64kb
kernel-64kb-debuginfo
dtb-hisilicon
dtb-socionext
kernel-64kb-optional
kernel-64kb-devel-debuginfo
dtb-broadcom
dtb-nvidia
kernel-64kb-devel
dtb-aarch64
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
kernel-default-livepatch-devel
dtb-qcom
kernel-64kb
dtb-xilinx
cluster-md-kmp-64kb
dtb-amlogic
dtb-marvell
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb
dlm-kmp-64kb-debuginfo
kernel-64kb-extra
gfs2-kmp-64kb
dtb-lg
dtb-amazon
dtb-rockchip
dtb-allwinner
kernel-64kb-extra-debuginfo
dlm-kmp-64kb
kernel-64kb-optional-debuginfo
dtb-exynos
ocfs2-kmp-64kb
dtb-renesas
dtb-freescale
dtb-mediatek
cluster-md-kmp-64kb-debuginfo
dtb-apple
dtb-sprd
kernel-debug-debugsource
kernel-default-optional
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-vdso
kernel-debug-vdso-debuginfo
kernel-debug-vdso
kernel-default-vdso-debuginfo
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso
kernel-syms
kernel-debug-devel-debuginfo
kernel-debug-debuginfo
kernel-debug-devel
kernel-debug
kernel-source-vanilla
kernel-macros
kernel-docs-html
kernel-docs
kernel-default
kernel-default-devel
cluster-md-kmp-default-debuginfo
kernel-default-debuginfo
reiserfs-kmp-default
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
dlm-kmp-default-debuginfo
kernel-obs-build
kernel-default-extra-debuginfo
kselftests-kmp-default
dlm-kmp-default
kernel-obs-qa
kernel-obs-build-debugsource
kernel-default-optional-debuginfo
kernel-default-devel-debuginfo
kernel-default-debugsource
kernel-default-livepatch
cluster-md-kmp-default
kernel-default-extra
reiserfs-kmp-default-debuginfo
gfs2-kmp-default
kselftests-kmp-default-debuginfo
kernel-default-base
kernel-default-base-rebuild
kernel-syms-rt
ocfs2-kmp-rt
kernel-rt-debugsource
ocfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
gfs2-kmp-rt
kernel-source-rt
kernel-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-devel-rt
kernel-rt
dlm-kmp-rt
kernel-rt-devel
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-debuginfo
kernel-azure
kernel-azure-devel-debuginfo
kernel-extra-modules
linux-fips (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-ibm (Ubuntu package)
linux-oracle-6.8 (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-azure-fde-6.8 (Ubuntu package)
linux-gcp-fips (Ubuntu package)

How to mitigate CVE-2026-31788

Install security update from vendor's repository.

kernel-livepatch-6_4_0-150600_23_95-default-debuginfo - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150600_23_95-default - update to 1-150600.13.3.1
kernel-livepatch-SLE15-SP6_Update_22-debugsource - update to 1-150600.13.3.1
kernel-livepatch-6_4_0-150700_7_37-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_11-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_37-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7_Update_11-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_37-default - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_37-default-debuginfo - update to 1-150700.15.3.1
perf - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
bpftool - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
bpftool-debuginfo - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-debuginfo - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-debugsource - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-devel - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-headers - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-source - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-tools - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-tools-debuginfo - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
kernel-tools-devel - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
perf-debuginfo - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
python3-perf - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
python3-perf-debuginfo - addressed in versions 5.10.0-309.0.0.212, 6.6.0-145.0.2.130, 6.6.0-145.0.2.142, 6.6.0-145.0.2.143
linux (Ubuntu package) - addressed in versions 5.15.0.184.155, 5.15.0-184.194, 5.15.0-184.194~20.04.1, 5.15.0.186.166, 5.15.0-186.196, 5.15.0-186.196~20.04.1, 5.15.0.1075.78, 5.15.0-1075.79, 5.15.0.1095.94, 5.15.0-1095.103, 5.15.0.1104.100, 5.15.0-1104.109, 5.15.0.1108.107, 5.15.0-1108.114, 5.15.0.1111.115, 5.15.0-1111.120+fips1, 5.15.0.1112.102, 5.15.0.1112.109, 5.15.0-1112.122, 5.15.0-1112.122+fips1, 6.8.0-136.136, 6.8.0-1046.50, 6.8.0-1059.67, 6.8.0-1064.72, 6.8.0-1064.72~22.04.1, 6.8.1-1056.57, 6.8.1-1056.57~22.04.2
linux-aws (Ubuntu package) - addressed in versions 5.15.0.186.109, 5.15.0-186.196+fips1, 5.15.0.1106.103, 5.15.0-1106.110, 5.15.0.1107.107, 5.15.0-1107.108, 5.15.0.1112.108, 5.15.0.1112.115, 5.15.0-1112.119, 5.15.0-1112.119+fips1, 5.15.0-1112.119~20.04.1, 6.8.0-1061.64+1
linux-nvidia-tegra (Ubuntu package) - addressed in versions 5.15.0-1053.53, 5.15.0.1053.55, 5.15.0.1064.64, 5.15.0-1064.66
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1064.66~20.04.1
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1104.106, 5.15.0.1104.108, 5.15.0-1107.113~20.04.1
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1106.104, 5.15.0-1106.109, 6.8.0-1061.65, 6.8.0-2050.52
linux-intel-iotg (Ubuntu package) - addressed in versions 5.15.0.1107.106, 5.15.0-1107.113
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.105, 5.15.0-1109.115, 5.15.0.1117.115, 5.15.0-1117.126, 6.8.0-1063.71, 6.8.0-1063.71~22.04.1
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0-1109.115~20.04.1, 5.15.0-1117.126~20.04.1, 5.15.0-1117.126~20.04.2
linux-gcp-5.15 (Ubuntu package) - update to 5.15.0-1112.122~20.04.1
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1117.102, 5.15.0-1117.126+fips1, 6.8.0-1063.71+fips2
linux-azure-fde (Ubuntu package) - addressed in versions 5.15.0-1117.126, 6.8.0-1062.69
linux (Debian package) - addressed in versions 6.1.170-1, 6.12.85-1
dtb-altera - update to 6.4.0-150600.23.95.1
gfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
kernel-64kb-debugsource - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kselftests-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
dtb-cavium - update to 6.4.0-150600.23.95.1
dtb-apm - update to 6.4.0-150600.23.95.1
dtb-amd - update to 6.4.0-150600.23.95.1
reiserfs-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
dtb-arm - update to 6.4.0-150600.23.95.1
kselftests-kmp-64kb - update to 6.4.0-150600.23.95.1
kernel-64kb-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dtb-hisilicon - update to 6.4.0-150600.23.95.1
dtb-socionext - update to 6.4.0-150600.23.95.1
kernel-64kb-optional - update to 6.4.0-150600.23.95.1
kernel-64kb-devel-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dtb-broadcom - update to 6.4.0-150600.23.95.1
dtb-nvidia - update to 6.4.0-150600.23.95.1
kernel-64kb-devel - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dtb-aarch64 - update to 6.4.0-150600.23.95.1
kernel-zfcpdump-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-zfcpdump-debugsource - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-zfcpdump - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-kvmsmall - update to 6.4.0-150600.23.95.1
kernel-default-livepatch-devel - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dtb-qcom - update to 6.4.0-150600.23.95.1
kernel-64kb - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dtb-xilinx - update to 6.4.0-150600.23.95.1
cluster-md-kmp-64kb - update to 6.4.0-150600.23.95.1
dtb-amlogic - update to 6.4.0-150600.23.95.1
dtb-marvell - update to 6.4.0-150600.23.95.1
ocfs2-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
reiserfs-kmp-64kb - update to 6.4.0-150600.23.95.1
dlm-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
kernel-64kb-extra - update to 6.4.0-150600.23.95.1
gfs2-kmp-64kb - update to 6.4.0-150600.23.95.1
dtb-lg - update to 6.4.0-150600.23.95.1
dtb-amazon - update to 6.4.0-150600.23.95.1
dtb-rockchip - update to 6.4.0-150600.23.95.1
dtb-allwinner - update to 6.4.0-150600.23.95.1
kernel-64kb-extra-debuginfo - update to 6.4.0-150600.23.95.1
dlm-kmp-64kb - update to 6.4.0-150600.23.95.1
kernel-64kb-optional-debuginfo - update to 6.4.0-150600.23.95.1
dtb-exynos - update to 6.4.0-150600.23.95.1
ocfs2-kmp-64kb - update to 6.4.0-150600.23.95.1
dtb-renesas - update to 6.4.0-150600.23.95.1
dtb-freescale - update to 6.4.0-150600.23.95.1
dtb-mediatek - update to 6.4.0-150600.23.95.1
cluster-md-kmp-64kb-debuginfo - update to 6.4.0-150600.23.95.1
dtb-apple - update to 6.4.0-150600.23.95.1
dtb-sprd - update to 6.4.0-150600.23.95.1
kernel-debug-debugsource - update to 6.4.0-150600.23.95.1
kernel-default-optional - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-debuginfo - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-devel - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-debugsource - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-devel-debuginfo - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-vdso - update to 6.4.0-150600.23.95.1
kernel-debug-vdso-debuginfo - update to 6.4.0-150600.23.95.1
kernel-debug-vdso - update to 6.4.0-150600.23.95.1
kernel-default-vdso-debuginfo - update to 6.4.0-150600.23.95.1
kernel-kvmsmall-vdso-debuginfo - update to 6.4.0-150600.23.95.1
kernel-default-vdso - update to 6.4.0-150600.23.95.1
kernel-syms - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-debug-devel-debuginfo - update to 6.4.0-150600.23.95.1
kernel-debug-debuginfo - update to 6.4.0-150600.23.95.1
kernel-debug-devel - update to 6.4.0-150600.23.95.1
kernel-debug - update to 6.4.0-150600.23.95.1
kernel-devel - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-source-vanilla - update to 6.4.0-150600.23.95.1
kernel-macros - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-source - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-docs-html - update to 6.4.0-150600.23.95.1
kernel-docs - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-devel - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
cluster-md-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
reiserfs-kmp-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
gfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
ocfs2-kmp-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
ocfs2-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
dlm-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-obs-build - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-extra-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kselftests-kmp-default - update to 6.4.0-150600.23.95.1
dlm-kmp-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-obs-qa - update to 6.4.0-150600.23.95.1
kernel-obs-build-debugsource - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-optional-debuginfo - update to 6.4.0-150600.23.95.1
kernel-default-devel-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-debugsource - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-livepatch - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
cluster-md-kmp-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kernel-default-extra - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
reiserfs-kmp-default-debuginfo - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
gfs2-kmp-default - addressed in versions 6.4.0-150600.23.95.1, 6.4.0-150700.53.37.1
kselftests-kmp-default-debuginfo - update to 6.4.0-150600.23.95.1
kernel-default-base - addressed in versions 6.4.0-150600.23.95.1.150600.12.44.1, 6.4.0-150700.53.37.1.150700.17.25.1
kernel-default-base-rebuild - update to 6.4.0-150600.23.95.1.150600.12.44.1
kernel-syms-rt - update to 6.4.0-150700.7.37.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.37.2
kernel-rt-debugsource - update to 6.4.0-150700.7.37.2
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.37.2
cluster-md-kmp-rt - update to 6.4.0-150700.7.37.2
gfs2-kmp-rt - update to 6.4.0-150700.7.37.2
kernel-source-rt - update to 6.4.0-150700.7.37.2
kernel-rt-debuginfo - update to 6.4.0-150700.7.37.2
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.37.2
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.37.2
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.37.2
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.37.2
kernel-devel-rt - update to 6.4.0-150700.7.37.2
kernel-rt - update to 6.4.0-150700.7.37.2
dlm-kmp-rt - update to 6.4.0-150700.7.37.2
kernel-rt-devel - update to 6.4.0-150700.7.37.2
kernel-azure-debugsource - update to 6.4.0-150700.53.37.1
kernel-azure-devel - update to 6.4.0-150700.53.37.1
kernel-azure-debuginfo - update to 6.4.0-150700.53.37.1
kernel-azure - update to 6.4.0-150700.53.37.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.53.37.1
kernel-extra-modules - update to 6.6.0-145.0.2.143
linux-fips (Ubuntu package) - addressed in versions 6.8.0-136.136+fips2, 6.8.0-136.136.2, 6.8.0-136.136.2~22.04.1, 6.8.0-1058.61
linux-hwe-6.8 (Ubuntu package) - update to 6.8.0-136.136~22.04.1
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1030.31, 6.8.0-1033.34, 6.8.0-1061.62, 6.8.0-1061.62~22.04.1
linux-oracle-6.8 (Ubuntu package) - update to 6.8.0-1058.61~22.04.1
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1059.62, 6.8.0-1059.62.1, 6.8.0-1059.62~22.04.1
linux-aws-6.8 (Ubuntu package) - addressed in versions 6.8.0-1061.64+fips1, 6.8.0-1061.64~22.04.1
linux-azure-fde-6.8 (Ubuntu package) - update to 6.8.0-1062.69~22.04.1
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1064.72+fips1

External References

Related Security Bulletins