Improper error handling in Linux kernel - CVE-2023-53176

Vulnerability identifier: #VU115515

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-53176

CWE-ID: CWE-388

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the serial8250_unregister_port() function in drivers/tty/serial/8250/8250_core.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Manager Retail Branch Server 4.3
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP4
SUSE Manager Server 4.3
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 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 Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
kgraft-patch-4_12_14-122_275-default
kgraft-patch-4_12_14-122_290-default
kernel-livepatch-5_14_21-150400_24_179-default
kernel-livepatch-5_14_21-150400_24_179-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_45-debugsource
kernel-livepatch-SLE15-SP5_Update_31-debugsource
kernel-livepatch-5_14_21-150500_55_124-default-debuginfo
kernel-livepatch-5_14_21-150500_55_124-default
kernel-macros
kernel-source
kernel-default-kgraft
kernel-default-kgraft-devel
kernel-default-devel-debuginfo
kernel-default-man
kernel-default
dlm-kmp-default-debuginfo
kernel-default-debugsource
dlm-kmp-default
cluster-md-kmp-default
gfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-devel
kernel-default-base-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-debuginfo
gfs2-kmp-default
kernel-syms
kernel-default-base
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-rt
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-source-rt
kernel-docs
kernel-64kb-devel-debuginfo
kernel-64kb-devel
dlm-kmp-64kb
dtb-rockchip
kernel-64kb
kernel-docs-html
kernel-default-livepatch
reiserfs-kmp-default-debuginfo
kernel-default-optional
kernel-obs-qa
kernel-obs-build
kernel-obs-build-debugsource
kernel-default-optional-debuginfo
kernel-default-extra
reiserfs-kmp-default
kselftests-kmp-default-debuginfo
kselftests-kmp-default
dtb-marvell
kernel-kvmsmall-devel
kernel-kvmsmall-debugsource
kernel-kvmsmall-devel-debuginfo
kernel-default-extra-debuginfo
kernel-kvmsmall-debuginfo
kernel-source-vanilla
dtb-nvidia
dtb-apm
dtb-arm
kernel-64kb-debugsource
dtb-exynos
gfs2-kmp-64kb
kernel-64kb-extra
dtb-altera
kselftests-kmp-64kb-debuginfo
dtb-renesas
dtb-amlogic
dtb-mediatek
dtb-lg
dtb-amazon
dlm-kmp-64kb-debuginfo
dtb-amd
kselftests-kmp-64kb
dtb-apple
cluster-md-kmp-64kb
dtb-qcom
kernel-64kb-optional
dtb-xilinx
cluster-md-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-default-livepatch-devel
dtb-allwinner
reiserfs-kmp-64kb-debuginfo
kernel-kvmsmall
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
dtb-aarch64
dtb-sprd
ocfs2-kmp-64kb
kernel-64kb-debuginfo
dtb-socionext
kernel-64kb-optional-debuginfo
kernel-64kb-extra-debuginfo
dtb-hisilicon
gfs2-kmp-64kb-debuginfo
dtb-cavium
dtb-broadcom
ocfs2-kmp-64kb-debuginfo
dtb-freescale
kernel-default-base-rebuild
gfs2-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt
kernel-rt-optional
kernel-rt_debug-debuginfo
kernel-rt-livepatch-devel
kernel-rt-devel
cluster-md-kmp-rt
kernel-rt-vdso-debuginfo
dlm-kmp-rt-debuginfo
reiserfs-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-devel-debuginfo
kernel-rt_debug-vdso
kernel-rt_debug
kernel-rt-extra
kernel-devel-rt
kernel-rt-extra-debuginfo
kselftests-kmp-rt
reiserfs-kmp-rt
kernel-rt_debug-vdso-debuginfo
dlm-kmp-rt
kselftests-kmp-rt-debuginfo
kernel-syms-rt
kernel-rt-livepatch
kernel-rt_debug-debugsource
ocfs2-kmp-rt
kernel-rt_debug-devel
kernel-rt-vdso
kernel-rt_debug-devel-debuginfo
kernel-kvmsmall-vdso
kernel-kvmsmall-vdso-debuginfo
kernel-default-vdso-debuginfo
kernel-default-vdso

Install update from vendor's repository.

Linux kernel - update to 5.4.244
kgraft-patch-4_12_14-122_275-default - update to 1-8.3.1
kgraft-patch-4_12_14-122_290-default - update to 1-8.7.1
kernel-livepatch-5_14_21-150400_24_179-default - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_179-default-debuginfo - update to 1-150400.9.3.1
kernel-livepatch-SLE15-SP4_Update_45-debugsource - update to 1-150400.9.3.1
kernel-livepatch-SLE15-SP5_Update_31-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_124-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_124-default - update to 1-150500.11.3.1
kernel-macros - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-source - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-kgraft - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1
kernel-default-kgraft-devel - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-man - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1
kernel-default - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-debugsource - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dlm-kmp-default - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-devel - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-base-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
gfs2-kmp-default - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-syms - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-base - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1.150400.24.92.1, 5.14.21-150500.55.124.1.150500.6.59.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-devel - addressed in versions 4.12.14-122.275.1, 4.12.14-122.290.1, 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-rt - addressed in versions 5.14.21-150400.15.133.1, 5.14.21-150500.13.109.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.133.1, 5.14.21-150500.13.109.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.133.1, 5.14.21-150500.13.109.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.133.1, 5.14.21-150500.13.109.1
kernel-docs - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-devel-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-devel - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dlm-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-rockchip - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-docs-html - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
reiserfs-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-optional - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-obs-qa - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-obs-build - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-obs-build-debugsource - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-optional-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-extra - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
reiserfs-kmp-default - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kselftests-kmp-default-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kselftests-kmp-default - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-marvell - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-kvmsmall-devel - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-kvmsmall-debugsource - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-kvmsmall-devel-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-extra-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-kvmsmall-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-source-vanilla - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-nvidia - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-apm - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-arm - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-debugsource - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-exynos - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
gfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-extra - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-altera - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kselftests-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-renesas - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-amlogic - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-mediatek - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-lg - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-amazon - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dlm-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-amd - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kselftests-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-apple - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
cluster-md-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-qcom - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-optional - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-xilinx - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
cluster-md-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
reiserfs-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-allwinner - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
reiserfs-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-kvmsmall - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-zfcpdump - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-zfcpdump-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-zfcpdump-debugsource - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-aarch64 - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-sprd - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
ocfs2-kmp-64kb - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-socionext - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-optional-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-64kb-extra-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-hisilicon - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
gfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-cavium - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-broadcom - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
ocfs2-kmp-64kb-debuginfo - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
dtb-freescale - addressed in versions 5.14.21-150400.24.179.1, 5.14.21-150500.55.124.1
kernel-default-base-rebuild - addressed in versions 5.14.21-150400.24.179.1.150400.24.92.1, 5.14.21-150500.55.124.1.150500.6.59.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
gfs2-kmp-rt - update to 5.14.21-150500.13.109.1
kernel-rt-optional - update to 5.14.21-150500.13.109.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.109.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.109.1
kernel-rt-devel - update to 5.14.21-150500.13.109.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.109.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.109.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.109.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.109.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.109.1
kernel-rt_debug - update to 5.14.21-150500.13.109.1
kernel-rt-extra - update to 5.14.21-150500.13.109.1
kernel-devel-rt - update to 5.14.21-150500.13.109.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.109.1
kselftests-kmp-rt - update to 5.14.21-150500.13.109.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.109.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.109.1
dlm-kmp-rt - update to 5.14.21-150500.13.109.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.109.1
kernel-syms-rt - update to 5.14.21-150500.13.109.1
kernel-rt-livepatch - update to 5.14.21-150500.13.109.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.109.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.109.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.109.1
kernel-rt-vdso - update to 5.14.21-150500.13.109.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.109.1
kernel-kvmsmall-vdso - update to 5.14.21-150500.55.124.1
kernel-kvmsmall-vdso-debuginfo - update to 5.14.21-150500.55.124.1
kernel-default-vdso-debuginfo - update to 5.14.21-150500.55.124.1
kernel-default-vdso - update to 5.14.21-150500.55.124.1

• https://git.kernel.org/stable/c/04e82793f068d2f0ffe62fcea03d007a8cdc16a7
• https://git.kernel.org/stable/c/1ba5594739d858e524ff0f398ee1ebfe0a8b9d41
• https://git.kernel.org/stable/c/2c86a1305c1406f45ea780d06953c484ea1d9e6e
• https://git.kernel.org/stable/c/490bf37eaabb0a857ed1ae8e75d8854e41662f1c
• https://git.kernel.org/stable/c/8e596aed5f2f98cf3e6e98d6fe1d689f4a319308
• https://git.kernel.org/stable/c/af4d6dbb1a92ea424ad1ba1d0c88c7fa2345d872
• https://git.kernel.org/stable/c/c9e080c3005fd183c56ff8f4d75edb5da0765d2c
• https://git.kernel.org/stable/c/d5cd2928d31042a7c0a01464f9a8d95be736421d
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.244

• Improper error handling in Linux kernel serial 8250 driver
• 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
• SUSE update for the Linux Kernel