Resource management error in Linux kernel - CVE-2021-47090

Vulnerability identifier: #VU93592

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-2021-47090

CWE-ID: CWE-399

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 resource management error within the mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.

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

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.89, 5.15.12, 5.16
kernel - update to 4.19.90-2405.1.0.0248
python3-perf-debuginfo - update to 4.19.90-2405.1.0.0248
kernel-devel - update to 4.19.90-2405.1.0.0248
bpftool - update to 4.19.90-2405.1.0.0248
perf - update to 4.19.90-2405.1.0.0248
python2-perf-debuginfo - update to 4.19.90-2405.1.0.0248
kernel-debugsource - update to 4.19.90-2405.1.0.0248
python3-perf - update to 4.19.90-2405.1.0.0248
kernel-source - update to 4.19.90-2405.1.0.0248
kernel-tools-debuginfo - update to 4.19.90-2405.1.0.0248
bpftool-debuginfo - update to 4.19.90-2405.1.0.0248
python2-perf - update to 4.19.90-2405.1.0.0248
kernel-debuginfo - update to 4.19.90-2405.1.0.0248
kernel-tools-devel - update to 4.19.90-2405.1.0.0248
kernel-tools - update to 4.19.90-2405.1.0.0248
perf-debuginfo - update to 4.19.90-2405.1.0.0248

• https://git.kernel.org/stable/c/1f207076740101fed87074a6bc924dbe806f08a5
• https://git.kernel.org/stable/c/c691e7575eff76e563b0199c23ec46bd454f43e3
• https://git.kernel.org/stable/c/2a57d83c78f889bf3f54eede908d0643c40d5418
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.89
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.12
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16

• Resource management error in Linux kernel mm
• openEuler 20.03 LTS SP1 update for kernel