Use-after-free in Linux kernel - CVE-2023-54120

Vulnerability identifier: #VU120381

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-2023-54120

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 hidp_set_timer() function in net/bluetooth/hidp/core.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 Server 15
SUSE Linux Enterprise High Availability Extension 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
kgraft-patch-4_12_14-122_290-default
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_48-debugsource
kernel-livepatch-5_14_21-150400_24_194-default
kernel-livepatch-5_14_21-150500_55_133-default
kernel-livepatch-SLE15-SP5_Update_34-debugsource
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo
kernel-default-man
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-debugsource
gfs2-kmp-default
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel
dlm-kmp-default-debuginfo
kernel-default-base
kernel-default-base-debuginfo
kernel-syms
kernel-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
kernel-default
kernel-macros
kernel-devel
kernel-source
kernel-default-devel-debuginfo
kernel-rt
kernel-rt-debuginfo
kernel-rt-debugsource
kernel-source-rt
kernel-docs-html
kernel-docs
kernel-default-optional
kernel-default-extra
kernel-source-vanilla
reiserfs-kmp-default-debuginfo
kselftests-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-livepatch-devel
gfs2-kmp-64kb
kernel-kvmsmall
kernel-obs-build-debugsource
kernel-obs-build
kernel-default-extra-debuginfo
kselftests-kmp-default
kernel-obs-qa
kernel-default-optional-debuginfo
kernel-default-livepatch
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-debugsource
kernel-64kb-debugsource
kernel-zfcpdump
dtb-apm
dtb-allwinner
dtb-sprd
dtb-apple
dtb-amlogic
kernel-64kb-extra-debuginfo
dtb-xilinx
ocfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb-debuginfo
cluster-md-kmp-64kb
reiserfs-kmp-64kb
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
dtb-renesas
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-amd
dtb-socionext
dtb-hisilicon
kernel-64kb-devel-debuginfo
kernel-64kb-optional-debuginfo
dtb-nvidia
dtb-lg
dlm-kmp-64kb
dtb-qcom
kernel-64kb-optional
dtb-arm
dtb-cavium
kernel-64kb-devel
kselftests-kmp-64kb-debuginfo
dtb-altera
dtb-broadcom
dlm-kmp-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
dtb-marvell
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 5.10.178
kgraft-patch-4_12_14-122_290-default - update to 1-8.7.1
kernel-livepatch-5_14_21-150400_24_194-default-debuginfo - 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 - update to 1-150400.9.7.1
kernel-livepatch-5_14_21-150500_55_133-default - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_34-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_133-default-debuginfo - update to 1-150500.11.3.1
kernel-default-man - update to 4.12.14-122.290.1
kernel-default-kgraft-devel - update to 4.12.14-122.290.1
kernel-default-kgraft - update to 4.12.14-122.290.1
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
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
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
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
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
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-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
kernel-default-base-debuginfo - update to 4.12.14-122.290.1
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-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-debuginfo - 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-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-rt - 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-debugsource - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.142.1, 5.14.21-150500.13.118.1
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-default-optional - 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-source-vanilla - 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
gfs2-kmp-64kb - 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-obs-build-debugsource - 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
kselftests-kmp-default - 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
kernel-default-optional-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-kvmsmall-devel-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-64kb-debugsource - 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
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
reiserfs-kmp-64kb-debuginfo - 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
reiserfs-kmp-64kb - 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
dtb-renesas - 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
kernel-zfcpdump-debugsource - 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
kernel-64kb-optional-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
dtb-lg - 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
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
dtb-broadcom - 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
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/0efb276d5848a3accc37c6f41b85e442c4768169
• https://git.kernel.org/stable/c/152f47bd6b995e0e98c85672f6d19894bc287ef2
• https://git.kernel.org/stable/c/248af9feca062a4ca9c3f2ccf67056c8a5eb817f
• https://git.kernel.org/stable/c/5f3d214d19899183d4e0cce7552998262112e4ab
• https://git.kernel.org/stable/c/8a99e6200c38b78a45dcd12a6bdc43fdf4dc36be
• https://git.kernel.org/stable/c/c95930abd687fcd1aa040dc4fe90dff947916460
• https://git.kernel.org/stable/c/f6719fd8f409fa1da8dc956e93822d25e1e8b360
• https://git.kernel.org/stable/c/f7ec5ca433ceead8d9d78fd2febff094f289441d
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.178

• Use-after-free in Linux kernel bluetooth hidp
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel