Memory leak in Linux kernel - CVE-2022-49901

Vulnerability identifier: #VU108150

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-2022-49901

CWE-ID: CWE-401

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 memory leak within the blk_mq_init_allocated_queue() function in block/blk-mq.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Live Patching
openSUSE Leap
openEuler
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo
kernel-livepatch-5_14_21-150500_55_110-default
kernel-livepatch-SLE15-SP5_Update_27-debugsource
kernel-debuginfo
kernel
kernel-debugsource
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
bpftool
bpftool-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
kernel-source-rt
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
dlm-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
kernel-syms-rt
kselftests-kmp-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-devel
kernel-rt_debug-devel-debuginfo
kernel-rt
kernel-rt_debug
gfs2-kmp-rt
kernel-devel-rt
kernel-rt-optional
kernel-rt_debug-vdso
kernel-rt-vdso
kernel-rt-debuginfo
cluster-md-kmp-rt
kselftests-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-livepatch-devel
kernel-rt_debug-vdso-debuginfo
cluster-md-kmp-rt-debuginfo
reiserfs-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra
kernel-rt-debugsource
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-default-livepatch
kernel-default-livepatch-devel

Install update from vendor's website.

Linux kernel - addressed in versions 6.0.8, 6.1
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo - update to 1-150500.11.7.1
kernel-livepatch-5_14_21-150500_55_110-default - update to 1-150500.11.7.1
kernel-livepatch-SLE15-SP5_Update_27-debugsource - update to 1-150500.11.7.1
kernel-debuginfo - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-debugsource - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-devel - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-headers - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-source - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-tools - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-tools-debuginfo - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
kernel-tools-devel - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
perf - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
perf-debuginfo - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
python3-perf - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
python3-perf-debuginfo - addressed in versions 5.10.0-263.0.0.165, 5.10.0-263.0.0.166
bpftool - update to 5.10.0-263.0.0.166
bpftool-debuginfo - update to 5.10.0-263.0.0.166
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch - update to 5.14.21-150500.13.97.1
kernel-source-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.97.1
dlm-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.97.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-syms-rt - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt - update to 5.14.21-150500.13.97.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-devel - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-devel-rt - update to 5.14.21-150500.13.97.1
kernel-rt-optional - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra - update to 5.14.21-150500.13.97.1
kernel-rt-debugsource - update to 5.14.21-150500.13.97.1
kernel-default - update to 5.14.21-150500.55.110.1
kernel-default-debuginfo - update to 5.14.21-150500.55.110.1
kernel-default-debugsource - update to 5.14.21-150500.55.110.1
kernel-default-livepatch - update to 5.14.21-150500.55.110.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.110.1

• https://git.kernel.org/stable/c/2dc97e15a54b7bdf457848aa8c663c98a24e58a6
• https://git.kernel.org/stable/c/943f45b9399ed8b2b5190cbc797995edaa97f58f
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1

• Memory leak in Linux kernel block
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel