Use-after-free in Linux kernel - CVE-2022-50229

Vulnerability identifier: #VU111441

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-2022-50229

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 bcd2000_init_midi() function in sound/usb/bcd2000/bcd2000.c. A local user can escalate privileges on the system.

Linux kernel
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 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Availability Extension 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
Anolis OS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kgraft-patch-4_12_14-122_272-default
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-rt (Red Hat package)
kernel-doc
bpftool
kernel-debug
kernel
perf
kernel-tools-libs-devel
kernel-tools-libs
kernel-tools
python-perf
kernel-abi-whitelists
kernel-headers
kernel-devel
kernel-debug-devel
kernel (Red Hat package)
kernel-default-base-debuginfo
gfs2-kmp-default
kernel-syms
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default-debuginfo
kernel-default-devel
kernel-default-debuginfo
kernel-default-kgraft-devel
kernel-default-debugsource
kernel-default-kgraft
kernel-default
cluster-md-kmp-default
ocfs2-kmp-default
kernel-default-base
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
kernel-source
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
python3-perf-debuginfo
python3-perf
python2-perf-debuginfo
python2-perf
perf-debuginfo
kernel-tools-devel
kernel-debugsource
kernel-tools-debuginfo
bpftool-debuginfo
kernel-debuginfo
dtb-amazon
dtb-socionext
dtb-hisilicon
dtb-xilinx
dtb-lg
dtb-mediatek
dtb-freescale
kernel-docs
dtb-altera
dtb-rockchip
kernel-obs-qa
kernel-docs-html
kernel-source-vanilla
dtb-allwinner
dtb-marvell
dtb-aarch64
dtb-qcom
dtb-renesas
dtb-amd
dtb-exynos
dtb-apple
dtb-arm
dtb-nvidia
dtb-broadcom
dtb-cavium
dtb-apm
dtb-sprd
dtb-amlogic
kselftests-kmp-default
kernel-default-optional
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-obs-build-debugsource
kernel-default-extra
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-default-livepatch-devel
dlm-kmp-64kb
cluster-md-kmp-64kb-debuginfo
ocfs2-kmp-64kb
kernel-64kb-extra
kernel-64kb-devel-debuginfo
reiserfs-kmp-64kb
kernel-64kb-devel
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-64kb-extra-debuginfo
kselftests-kmp-64kb
gfs2-kmp-64kb
gfs2-kmp-64kb-debuginfo
dlm-kmp-64kb-debuginfo
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-kvmsmall
kselftests-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-64kb-optional-debuginfo
reiserfs-kmp-default
kernel-obs-build
kernel-default-optional-debuginfo
kernel-64kb
cluster-md-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-optional
kselftests-kmp-64kb-debuginfo
kernel-64kb-debuginfo
kernel-default-base-rebuild

Install update from vendor's repository.

Linux kernel - addressed in versions 4.9.326, 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0
kgraft-patch-4_12_14-122_272-default - update to 1-8.3.1
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-rt (Red Hat package) - update to 3.10.0-1160.140.1.rt56.1292.el7
kernel-doc - update to 3.10.0-1160.141.1
bpftool - update to 3.10.0-1160.141.1
kernel-debug - update to 3.10.0-1160.141.1
kernel - update to 3.10.0-1160.141.1
perf - update to 3.10.0-1160.141.1
kernel-tools-libs-devel - update to 3.10.0-1160.141.1
kernel-tools-libs - update to 3.10.0-1160.141.1
kernel-tools - update to 3.10.0-1160.141.1
python-perf - update to 3.10.0-1160.141.1
kernel-abi-whitelists - update to 3.10.0-1160.141.1
kernel-headers - update to 3.10.0-1160.141.1
kernel-devel - update to 3.10.0-1160.141.1
kernel-debug-devel - update to 3.10.0-1160.141.1
kernel (Red Hat package) - addressed in versions 3.10.0-1160.141.1.el7, 4.18.0-193.173.1.el8_2, 4.18.0-305.179.1.el8_4, 4.18.0-372.164.1.el8_6
kernel-default-base-debuginfo - update to 4.12.14-122.272.1
gfs2-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-syms - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-devel - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-kgraft-devel - update to 4.12.14-122.272.1
kernel-default-debugsource - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-kgraft - update to 4.12.14-122.272.1
kernel-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
cluster-md-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
ocfs2-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-default-base - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2.150400.24.86.2
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
dlm-kmp-default - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
kernel-source - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-devel - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-macros - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.1
kernel-default-man - update to 4.12.14-122.272.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.272.1, 5.14.21-150400.24.170.2
bpftool - update to 4.19.90-2507.2.0.0335
kernel - update to 4.19.90-2507.2.0.0335
python3-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python3-perf - update to 4.19.90-2507.2.0.0335
python2-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python2-perf - update to 4.19.90-2507.2.0.0335
perf-debuginfo - update to 4.19.90-2507.2.0.0335
perf - update to 4.19.90-2507.2.0.0335
kernel-tools-devel - update to 4.19.90-2507.2.0.0335
kernel-debugsource - update to 4.19.90-2507.2.0.0335
kernel-tools-debuginfo - update to 4.19.90-2507.2.0.0335
bpftool-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-devel - update to 4.19.90-2507.2.0.0335
kernel-tools - update to 4.19.90-2507.2.0.0335
kernel-source - update to 4.19.90-2507.2.0.0335
dtb-amazon - update to 5.14.21-150400.24.170.1
dtb-socionext - update to 5.14.21-150400.24.170.1
dtb-hisilicon - 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
dtb-freescale - update to 5.14.21-150400.24.170.1
kernel-docs - update to 5.14.21-150400.24.170.1
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-rockchip - update to 5.14.21-150400.24.170.1
kernel-obs-qa - 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
dtb-allwinner - update to 5.14.21-150400.24.170.1
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-aarch64 - update to 5.14.21-150400.24.170.1
dtb-qcom - update to 5.14.21-150400.24.170.1
dtb-renesas - 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-broadcom - update to 5.14.21-150400.24.170.1
dtb-cavium - 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
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
kernel-default-optional - 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
kernel-default-extra-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
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-default-livepatch-devel - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
dlm-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
ocfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-extra - update to 5.14.21-150400.24.170.2
kernel-64kb-devel-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-64kb-devel - update to 5.14.21-150400.24.170.2
reiserfs-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
ocfs2-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb-debuginfo - 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
kernel-kvmsmall - update to 5.14.21-150400.24.170.2
kselftests-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
kernel-64kb-optional-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-kmp-default - update to 5.14.21-150400.24.170.2
kernel-obs-build - update to 5.14.21-150400.24.170.2
kernel-default-optional-debuginfo - update to 5.14.21-150400.24.170.2
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 - 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
kernel-default-base-rebuild - update to 5.14.21-150400.24.170.2.150400.24.86.2

• https://git.kernel.org/stable/c/05e0bb8c3c4dde3e21b9c1cf9395afb04e8b24db
• https://git.kernel.org/stable/c/1d6a246cf97c380f2da76591f03019dd9c9599c3
• https://git.kernel.org/stable/c/348620464a5c127399ac09b266f494f393661952
• https://git.kernel.org/stable/c/4fc41f7ebb7efca282f1740ea934d16f33c1d109
• https://git.kernel.org/stable/c/5e7338f4dd92b2f8915a82abfa1dd3ad3464bea0
• https://git.kernel.org/stable/c/64ca7f50ad96c2c65ae390b954925a36eabe04aa
• https://git.kernel.org/stable/c/a718eba7e458e2f40531be3c6b6a0028ca7fcace
• https://git.kernel.org/stable/c/b0d4af0a4763ddc02344789ef2a281c494bc330d
• https://git.kernel.org/stable/c/ffb2759df7efbc00187bfd9d1072434a13a54139
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.291
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.256
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.326
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.137
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

• Use-after-free in Linux kernel usb bcd2000
• openEuler 20.03 LTS SP4 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel-rt
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• SUSE update for the Linux Kernel
• Red Hat Enterprise Linux 8 update for kernel
• Red Hat Enterprise Linux 8 update for kernel
• SUSE update for the Linux Kernel
• Anolis OS update for kernel:3.10