Memory leak in Linux kernel - CVE-2022-48641

Vulnerability identifier: #VU89995

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-2022-48641

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 do_replace_finish() function in net/bridge/netfilter/ebtables.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
openEuler
kernel
kernel-tools-debuginfo
python3-perf-debuginfo
kernel-tools-devel
perf
kernel-headers
kernel-debuginfo
kernel-devel
python3-perf
kernel-source
perf-debuginfo
kernel-debugsource
kernel-tools

Install update from vendor's website.

Linux kernel - addressed in versions 4.14.295, 4.19.260, 5.4.215, 5.10.146, 5.15.71, 5.19.12, 6.0
kernel - update to 5.10.0-136.77.0.157
kernel-tools-debuginfo - update to 5.10.0-136.77.0.157
python3-perf-debuginfo - update to 5.10.0-136.77.0.157
kernel-tools-devel - update to 5.10.0-136.77.0.157
perf - update to 5.10.0-136.77.0.157
kernel-headers - update to 5.10.0-136.77.0.157
kernel-debuginfo - update to 5.10.0-136.77.0.157
kernel-devel - update to 5.10.0-136.77.0.157
python3-perf - update to 5.10.0-136.77.0.157
kernel-source - update to 5.10.0-136.77.0.157
perf-debuginfo - update to 5.10.0-136.77.0.157
kernel-debugsource - update to 5.10.0-136.77.0.157
kernel-tools - update to 5.10.0-136.77.0.157

• https://git.kernel.org/stable/c/754e8b74281dd54a324698803483f47cf3355ae1
• https://git.kernel.org/stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e
• https://git.kernel.org/stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab
• https://git.kernel.org/stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee
• https://git.kernel.org/stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f
• https://git.kernel.org/stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33
• https://git.kernel.org/stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.295
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.260
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.215
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0

• Memory leak in Linux kernel netfilter
• openEuler 22.03 LTS SP1 update for kernel