Memory leak in Linux kernel - CVE-2022-49757

Vulnerability identifier: #VU106155

CSH Severity: Low

CVSS v4 BT: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2022-49757

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 highbank_mc_probe() and edac_mc_del_mc() functions in drivers/edac/highbank_mc_edac.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python2-perf
python2-perf-debuginfo
python3-perf
python3-perf-debuginfo

Install update from vendor's website.

Linux kernel - update to 4.14.305
kernel - update to 4.19.90-2504.2.0.0323
bpftool - update to 4.19.90-2504.2.0.0323
bpftool-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-debugsource - update to 4.19.90-2504.2.0.0323
kernel-devel - update to 4.19.90-2504.2.0.0323
kernel-source - update to 4.19.90-2504.2.0.0323
kernel-tools - update to 4.19.90-2504.2.0.0323
kernel-tools-debuginfo - update to 4.19.90-2504.2.0.0323
kernel-tools-devel - update to 4.19.90-2504.2.0.0323
perf - update to 4.19.90-2504.2.0.0323
perf-debuginfo - update to 4.19.90-2504.2.0.0323
python2-perf - update to 4.19.90-2504.2.0.0323
python2-perf-debuginfo - update to 4.19.90-2504.2.0.0323
python3-perf - update to 4.19.90-2504.2.0.0323
python3-perf-debuginfo - update to 4.19.90-2504.2.0.0323

• https://git.kernel.org/stable/c/0db40e23b56d217eebd385bebb64057ef764b2c7
• https://git.kernel.org/stable/c/329fbd260352a7b9a83781d8b8bd96f95844a51f
• https://git.kernel.org/stable/c/8d23f5d25264beb223ee79cdb530b88c237719fc
• https://git.kernel.org/stable/c/b7863ef8a8f0fee96b4eb41211f4918c0e047253
• https://git.kernel.org/stable/c/caffa7fed1397d1395052272c93900176de86557
• https://git.kernel.org/stable/c/e7a293658c20a7945014570e1921bf7d25d68a36
• https://git.kernel.org/stable/c/f1b3e23ed8df87d779ee86ac37f379e79a24169a
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.305

• Memory leak in Linux kernel edac driver
• openEuler 20.03 LTS SP4 update for kernel