Use-after-free in Linux kernel - CVE-2023-54186

Vulnerability identifier: #VU120726

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-54186

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the pin_assignment_show() function in drivers/usb/typec/altmodes/displayport.c. A local user can escalate privileges on the system.

Linux kernel
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Manager Server
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
kgraft-patch-4_12_14-122_290-default
kernel-livepatch-5_14_21-150400_24_194-default
kernel-livepatch-SLE15-SP4_Update_48-debugsource
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_34-debugsource
kernel-livepatch-5_14_21-150500_55_133-default
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-debugsource
kernel-default-debuginfo
kernel-syms
kernel-default-base-debuginfo
kernel-default-base
dlm-kmp-default-debuginfo
kernel-default-devel
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
kernel-default
kernel-macros
kernel-devel
kernel-source
kernel-default-man
kernel-default-devel-debuginfo
kernel-default-kgraft
kernel-default-kgraft-devel
kernel
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-debugsource
kernel-debuginfo
kernel-tools-debuginfo
kernel-tools
bpftool-debuginfo
bpftool
kernel-source-rt
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-rt
kselftests-kmp-default
kernel-default-extra
kernel-obs-build
kernel-default-extra-debuginfo
kernel-zfcpdump-debugsource
kernel-default-optional
kernel-kvmsmall-devel-debuginfo
kernel-default-livepatch
kernel-default-optional-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-source-vanilla
kernel-docs-html
kernel-docs
kernel-obs-build-debugsource
kernel-obs-qa
reiserfs-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
dtb-marvell
dlm-kmp-64kb
reiserfs-kmp-64kb
dtb-apm
dtb-allwinner
dtb-sprd
dtb-apple
dtb-amlogic
kernel-64kb-extra-debuginfo
dtb-xilinx
ocfs2-kmp-64kb-debuginfo
dtb-broadcom
cluster-md-kmp-64kb
kernel-64kb-debugsource
cluster-md-kmp-64kb-debuginfo
dtb-rockchip
kselftests-kmp-64kb
dtb-freescale
kernel-64kb-extra
ocfs2-kmp-64kb
dtb-mediatek
kernel-64kb-debuginfo
dtb-exynos
dtb-amazon
kernel-64kb
kernel-64kb-optional-debuginfo
reiserfs-kmp-default-debuginfo
kselftests-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-livepatch-devel
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
dtb-aarch64
dtb-amd
dtb-socionext
dtb-hisilicon
kernel-64kb-devel-debuginfo
dtb-nvidia
gfs2-kmp-64kb
dtb-lg
dtb-renesas
dtb-qcom
kernel-64kb-optional
dtb-arm
dtb-cavium
kernel-64kb-devel
kselftests-kmp-64kb-debuginfo
dtb-altera
kernel-default-base-rebuild
cluster-md-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-livepatch-devel
dlm-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-extra-debuginfo
kernel-rt_debug-debuginfo
reiserfs-kmp-rt
kernel-rt-extra
kernel-devel-rt
cluster-md-kmp-rt
kernel-rt-livepatch
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
dlm-kmp-rt
kernel-rt_debug
kernel-syms-rt
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-devel
kselftests-kmp-rt
kernel-rt_debug-vdso
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-optional
kernel-rt-vdso
kernel-rt-optional-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-kvmsmall-vdso
kernel-default-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso-debuginfo

Install update from vendor's repository.

Linux kernel - update to 5.10.181
kgraft-patch-4_12_14-122_290-default - update to 1-8.7.1
kernel-livepatch-5_14_21-150400_24_194-default - update to 1-150400.9.7.1
kernel-livepatch-SLE15-SP4_Update_48-debugsource - update to 1-150400.9.7.1
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo - update to 1-150400.9.7.1
kernel-livepatch-SLE15-SP5_Update_34-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo - update to 1-150500.11.3.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debugsource - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-syms - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-base-debuginfo - update to 4.12.14-122.290.1
kernel-default-base - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-devel - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-macros - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-devel - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-man - update to 4.12.14-122.290.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.290.1, 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-kgraft - update to 4.12.14-122.290.1
kernel-default-kgraft-devel - update to 4.12.14-122.290.1
kernel - update to 4.19.90-2602.1.0.0361
kernel-tools-devel - update to 4.19.90-2602.1.0.0361
perf - update to 4.19.90-2602.1.0.0361
perf-debuginfo - update to 4.19.90-2602.1.0.0361
python2-perf - update to 4.19.90-2602.1.0.0361
python2-perf-debuginfo - update to 4.19.90-2602.1.0.0361
python3-perf - update to 4.19.90-2602.1.0.0361
python3-perf-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-debugsource - update to 4.19.90-2602.1.0.0361
kernel-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-tools-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-tools - update to 4.19.90-2602.1.0.0361
bpftool-debuginfo - update to 4.19.90-2602.1.0.0361
kernel-source - update to 4.19.90-2602.1.0.0361
bpftool - update to 4.19.90-2602.1.0.0361
kernel-devel - update to 4.19.90-2602.1.0.0361
kernel-source-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-docs - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-marvell - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-sprd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-apple - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-freescale - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-exynos - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amazon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-amd - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-socionext - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-lg - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-renesas - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-qcom - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-arm - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-cavium - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
dtb-altera - addressed in versions 5.14.21-150400.24.194.1, 5.14.21-150500.55.133.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.194.1.150400.24.98.3, 5.14.21-150500.55.133.1.150500.6.65.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.118.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-extra - update to 5.14.21-150500.13.118.1
kernel-devel-rt - update to 5.14.21-150500.13.118.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt-livepatch - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
dlm-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug - update to 5.14.21-150500.13.118.1
kernel-syms-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.118.1
gfs2-kmp-rt - update to 5.14.21-150500.13.118.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-devel - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt - update to 5.14.21-150500.13.118.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.118.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.118.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.118.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt-optional - update to 5.14.21-150500.13.118.1
kernel-rt-vdso - update to 5.14.21-150500.13.118.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.118.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.118.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.118.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.133.1
kernel-default-vdso - update to 5.14.21-150500.55.133.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.133.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.133.1

• https://git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5
• https://git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2
• https://git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6
• https://git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17f
• https://git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fce
• https://git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781
• https://git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8f
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.181

• Use-after-free in Linux kernel typec altmodes driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• openEuler 20.03 LTS SP4 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel