Use-after-free in Linux kernel - CVE-2022-49934

Vulnerability identifier: #VU111444

CSH Severity: Low

CVSS v4 BT: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2022-49934

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 __ieee80211_scan_completed() function in net/mac80211/scan.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 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 Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 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
openEuler
kgraft-patch-4_12_14-122_269-default
kernel-livepatch-SLE15-SP4_Update_42-debugsource
kernel-livepatch-5_14_21-150400_24_170-default-debuginfo
kernel-livepatch-5_14_21-150400_24_170-default
kernel-livepatch-SLE15-SP5_Update_28-debugsource
kernel-livepatch-5_14_21-150500_55_113-default
kernel-livepatch-5_14_21-150500_55_113-default-debuginfo
kernel-default-man
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-syms
kernel-devel
kernel-source
kernel-macros
kernel-default
cluster-md-kmp-default-debuginfo
dlm-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
kernel-default-base-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-base
gfs2-kmp-default
kernel-default-devel
kernel-default-debuginfo
kernel-default-debugsource
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
kernel
bpftool
python3-perf-debuginfo
kernel-debuginfo
kernel-debugsource
bpftool-debuginfo
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
dtb-apple
dtb-arm
dtb-nvidia
dtb-broadcom
dtb-cavium
dtb-apm
dtb-sprd
dtb-amlogic
dtb-marvell
dtb-rockchip
dtb-socionext
dtb-hisilicon
dtb-xilinx
dtb-lg
dtb-mediatek
dtb-freescale
dtb-altera
dtb-allwinner
dtb-amazon
dtb-amd
kernel-source-vanilla
kernel-docs-html
kernel-obs-qa
dtb-aarch64
dtb-qcom
kernel-docs
dtb-exynos
dtb-renesas
kernel-64kb
kernel-default-extra
kernel-obs-build-debugsource
reiserfs-kmp-default
kernel-obs-build
kernel-default-livepatch-devel
kernel-default-livepatch
kselftests-kmp-default
kernel-default-extra-debuginfo
kernel-kvmsmall-devel
kernel-kvmsmall-debuginfo
kernel-kvmsmall-devel-debuginfo
kernel-kvmsmall-debugsource
kernel-64kb-extra-debuginfo
cluster-md-kmp-64kb
kernel-kvmsmall
reiserfs-kmp-64kb-debuginfo
ocfs2-kmp-64kb-debuginfo
kernel-64kb-devel
kernel-zfcpdump
kselftests-kmp-64kb
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
gfs2-kmp-64kb
dlm-kmp-64kb
dlm-kmp-64kb-debuginfo
reiserfs-kmp-64kb
kernel-64kb-debugsource
kernel-64kb-optional-debuginfo
kernel-64kb-optional
kernel-default-optional-debuginfo
kselftests-kmp-64kb-debuginfo
kernel-64kb-debuginfo
gfs2-kmp-64kb-debuginfo
cluster-md-kmp-64kb-debuginfo
kernel-default-optional
ocfs2-kmp-64kb
kernel-64kb-extra
kernel-64kb-devel-debuginfo
kselftests-kmp-default-debuginfo
reiserfs-kmp-default-debuginfo
kernel-default-base-rebuild

Install update from vendor's repository.

Linux kernel - update to 4.14.295
kgraft-patch-4_12_14-122_269-default - update to 1-8.3.1
kernel-livepatch-SLE15-SP4_Update_42-debugsource - 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-5_14_21-150400_24_170-default - update to 1-150400.9.3.2
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-livepatch-5_14_21-150500_55_113-default-debuginfo - update to 1-150500.11.3.1
kernel-default-man - update to 4.12.14-122.269.1
kernel-default-kgraft-devel - update to 4.12.14-122.269.1
kernel-default-kgraft - update to 4.12.14-122.269.1
kernel-default-devel-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-syms - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-devel - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-source - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-macros - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.1
kernel-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
cluster-md-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
dlm-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
ocfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-base-debuginfo - update to 4.12.14-122.269.1
dlm-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
cluster-md-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-base - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2.150400.24.86.2
gfs2-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-devel - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-debugsource - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
ocfs2-kmp-default - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
gfs2-kmp-default-debuginfo - addressed in versions 4.12.14-122.269.1, 5.14.21-150400.24.170.2
kernel - update to 4.19.90-2507.2.0.0335
bpftool - update to 4.19.90-2507.2.0.0335
python3-perf-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-debugsource - update to 4.19.90-2507.2.0.0335
bpftool-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-devel - update to 4.19.90-2507.2.0.0335
kernel-source - update to 4.19.90-2507.2.0.0335
kernel-tools - update to 4.19.90-2507.2.0.0335
kernel-tools-debuginfo - update to 4.19.90-2507.2.0.0335
kernel-tools-devel - update to 4.19.90-2507.2.0.0335
perf - update to 4.19.90-2507.2.0.0335
perf-debuginfo - update to 4.19.90-2507.2.0.0335
python2-perf - update to 4.19.90-2507.2.0.0335
python2-perf-debuginfo - update to 4.19.90-2507.2.0.0335
python3-perf - update to 4.19.90-2507.2.0.0335
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
dtb-marvell - update to 5.14.21-150400.24.170.1
dtb-rockchip - 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
dtb-altera - update to 5.14.21-150400.24.170.1
dtb-allwinner - update to 5.14.21-150400.24.170.1
dtb-amazon - update to 5.14.21-150400.24.170.1
dtb-amd - update to 5.14.21-150400.24.170.1
kernel-source-vanilla - update to 5.14.21-150400.24.170.1
kernel-docs-html - update to 5.14.21-150400.24.170.1
kernel-obs-qa - 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
kernel-docs - update to 5.14.21-150400.24.170.1
dtb-exynos - update to 5.14.21-150400.24.170.1
dtb-renesas - update to 5.14.21-150400.24.170.1
kernel-64kb - update to 5.14.21-150400.24.170.2
kernel-default-extra - update to 5.14.21-150400.24.170.2
kernel-obs-build-debugsource - 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-livepatch-devel - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.170.2, 5.14.21-150500.55.113.1
kselftests-kmp-default - update to 5.14.21-150400.24.170.2
kernel-default-extra-debuginfo - 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-64kb-extra-debuginfo - update to 5.14.21-150400.24.170.2
cluster-md-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-kvmsmall - 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-devel - update to 5.14.21-150400.24.170.2
kernel-zfcpdump - update to 5.14.21-150400.24.170.2
kselftests-kmp-64kb - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debugsource - update to 5.14.21-150400.24.170.2
kernel-zfcpdump-debuginfo - update to 5.14.21-150400.24.170.2
gfs2-kmp-64kb - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb - update to 5.14.21-150400.24.170.2
dlm-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
reiserfs-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
kernel-default-optional-debuginfo - 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
cluster-md-kmp-64kb-debuginfo - update to 5.14.21-150400.24.170.2
kernel-default-optional - 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
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-default-base-rebuild - update to 5.14.21-150400.24.170.2.150400.24.86.2

• https://git.kernel.org/stable/c/4abc8c07a065ecf771827bde3c63fbbe4aa0c08b
• https://git.kernel.org/stable/c/5d20c6f932f2758078d0454729129c894fe353e7
• https://git.kernel.org/stable/c/60deb9f10eec5c6a20252ed36238b55d8b614a2c
• https://git.kernel.org/stable/c/6eb181a64fdabf10be9e54de728876667da20255
• https://git.kernel.org/stable/c/78a07732fbb0934d14827d8f09b9aa6a49ee1aa9
• https://git.kernel.org/stable/c/9ad48cbf8b07f10c1e4a7a262b32a9179ae9dd2d
• https://git.kernel.org/stable/c/c0445feb80a4d0854898118fa01073701f8d356b
• https://git.kernel.org/stable/c/e0ff39448cea654843744c72c6780293c5082cb1
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.295

• Use-after-free in Linux kernel mac80211
• openEuler 20.03 LTS SP4 update for 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