Out-of-bounds read in Linux kernel - CVE-2022-50200

Vulnerability identifier: #VU111474

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-2022-50200

CWE-ID: CWE-125

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 an out-of-bounds read error within the security/selinux/ss/policydb.h. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Server 15 SP4
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 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel-livepatch-5_14_21-150400_24_170-default
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo
kernel-livepatch-SLE15-SP4_Update_42-debugsource
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo
kernel-livepatch-SLE15-SP5_Update_28-debugsource
kernel-livepatch-5_14_21-150500_55_113-default
kernel (Red Hat package)
kernel-rt (Red Hat package)
dtb-hisilicon
dtb-renesas
dtb-qcom
dtb-aarch64
dtb-socionext
dtb-freescale
dtb-xilinx
dtb-lg
dtb-mediatek
kernel-macros
dtb-amd
dtb-exynos
dtb-apple
dtb-arm
dtb-nvidia
dtb-rockchip
dtb-broadcom
dtb-cavium
dtb-marvell
dtb-apm
dtb-sprd
dtb-amlogic
dtb-altera
dtb-amazon
kernel-docs-html
kernel-source-vanilla
kernel-obs-qa
kernel-syms
kernel-devel
kernel-source
dtb-allwinner
kernel-docs
kernel-default-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-default-debugsource
kernel-64kb-devel
kernel-default-livepatch
reiserfs-kmp-64kb-debuginfo
kernel-default-livepatch-devel
ocfs2-kmp-64kb
kernel-default
kernel-64kb
cluster-md-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
kernel-64kb-optional
kselftests-kmp-64kb-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
reiserfs-kmp-64kb
cluster-md-kmp-64kb-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-extra
kselftests-kmp-default
reiserfs-kmp-default
kernel-default-devel
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-obs-build-debugsource
kernel-default-extra
kselftests-kmp-64kb
kernel-default-extra-debuginfo
gfs2-kmp-default
cluster-md-kmp-default
ocfs2-kmp-default
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-obs-build
dlm-kmp-64kb-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
dlm-kmp-64kb
gfs2-kmp-64kb
kernel-64kb-extra-debuginfo
kernel-kvmsmall
kernel-default-devel-debuginfo
dlm-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
dlm-kmp-default
kselftests-kmp-default-debuginfo
kernel-default-optional
kernel-default-optional-debuginfo
gfs2-kmp-default-debuginfo
kernel-default-base-rebuild
kernel-default-base

Install update from vendor's repository.

Linux kernel - update to 5.19.2
kernel-livepatch-5_14_21-150400_24_170-default - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo - update to 1-150400.9.3.2
kernel-livepatch-SLE15-SP4_Update_42-debugsource - update to 1-150400.9.3.2
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-SLE15-SP5_Update_28-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_113-default - update to 1-150500.11.3.1
kernel (Red Hat package) - update to 5.14.0-70.142.1.el9_0
kernel-rt (Red Hat package) - update to 5.14.0-70.142.1.rt21.214.el9_0
dtb-hisilicon - update to 5.14.21-150400.24.170.1
dtb-renesas - update to 5.14.21-150400.24.170.1
dtb-qcom - update to 5.14.21-150400.24.170.1
dtb-aarch64 - update to 5.14.21-150400.24.170.1
dtb-socionext - update to 5.14.21-150400.24.170.1
dtb-freescale - update to 5.14.21-150400.24.170.1
dtb-xilinx - update to 5.14.21-150400.24.170.1
dtb-lg - update to 5.14.21-150400.24.170.1
dtb-mediatek - update to 5.14.21-150400.24.170.1
kernel-macros - update to 5.14.21-150400.24.170.1
dtb-amd - update to 5.14.21-150400.24.170.1
dtb-exynos - update to 5.14.21-150400.24.170.1
dtb-apple - update to 5.14.21-150400.24.170.1
dtb-arm - update to 5.14.21-150400.24.170.1
dtb-nvidia - update to 5.14.21-150400.24.170.1
dtb-rockchip - update to 5.14.21-150400.24.170.1
dtb-broadcom - update to 5.14.21-150400.24.170.1
dtb-cavium - update to 5.14.21-150400.24.170.1
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-apm - update to 5.14.21-150400.24.170.1
dtb-sprd - update to 5.14.21-150400.24.170.1
dtb-amlogic - update to 5.14.21-150400.24.170.1
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-amazon - update to 5.14.21-150400.24.170.1
kernel-docs-html - update to 5.14.21-150400.24.170.1
kernel-source-vanilla - update to 5.14.21-150400.24.170.1
kernel-obs-qa - update to 5.14.21-150400.24.170.1
kernel-syms - update to 5.14.21-150400.24.170.1
kernel-devel - update to 5.14.21-150400.24.170.1
kernel-source - update to 5.14.21-150400.24.170.1
dtb-allwinner - update to 5.14.21-150400.24.170.1
kernel-docs - update to 5.14.21-150400.24.170.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-64kb-devel - update to 5.14.21-150400.24.170.2
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
ocfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-default - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-64kb - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-debugsource - update to 5.14.21-150400.24.170.2
kernel-64kb-optional-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-optional - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-extra - update to 5.14.21-150400.24.170.2
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default - update to 5.14.21-150400.24.170.2
kernel-default-devel - update to 5.14.21-150400.24.170.2
cluster-md-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
ocfs2-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
kernel-obs-build-debugsource - update to 5.14.21-150400.24.170.2
kernel-default-extra - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-default-extra-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-default - update to 5.14.21-150400.24.170.2
cluster-md-kmp-default - update to 5.14.21-150400.24.170.2
ocfs2-kmp-default - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-devel-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall-debugsource - update to 5.14.21-150400.24.170.2
kernel-obs-build - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debugsource - update to 5.14.21-150400.24.170.2
kernel-zfcpdump - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
kernel-kvmsmall - update to 5.14.21-150400.24.170.2
kernel-default-devel-debuginfo - update to 5.14.21-150400.24.170.2
dlm-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
dlm-kmp-default - update to 5.14.21-150400.24.170.2
kselftests-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-optional - update to 5.14.21-150400.24.170.2
kernel-default-optional-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-base-rebuild - update to 5.14.21-150400.24.170.2.150400.24.86.2
kernel-default-base - update to 5.14.21-150400.24.170.2.150400.24.86.2

• https://git.kernel.org/stable/c/15ec76fb29be31df2bccb30fc09875274cba2776
• https://git.kernel.org/stable/c/2dabe6a872a5744865372eb30ea51e8ccd21305a
• https://git.kernel.org/stable/c/477722f31ad73aa779154d1d7e00825538389f76
• https://git.kernel.org/stable/c/7363a69d8ca8f0086f8e1196c8ddaf0e168614b1
• https://git.kernel.org/stable/c/90bdf50ae70c5571a277b5601e4f5df210831e0a
• https://git.kernel.org/stable/c/9605f50157cae00eb299e1189a6d708c84935ad8
• https://git.kernel.org/stable/c/adbfdaacde18faf6cd4e490764045375266b3fbd
• https://git.kernel.org/stable/c/dedd558d9765b72c66e5a53948e9f5abc3ece1f6
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2

• Out-of-bounds read in Linux kernel selinux ss
• SUSE update for the Linux Kernel
• Red Hat Enterprise Linux 9 update for kernel
• Red Hat Enterprise Linux 9 update for kernel-rt
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel