Resource management error in Linux kernel - CVE-2022-48845

Vulnerability identifier: #VU94482

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-2022-48845

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 start_secondary() function in arch/mips/kernel/smp.c. A local user can perform a denial of service (DoS) attack.

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

Install update from vendor's website.

Linux kernel - addressed in versions 4.9.308, 4.14.273, 4.19.236, 5.4.186, 5.10.107, 5.15.30, 5.16.16, 5.17
kernel - update to 4.19.90-2408.1.0.0288
kernel-debuginfo - update to 4.19.90-2408.1.0.0288
bpftool-debuginfo - update to 4.19.90-2408.1.0.0288
kernel-tools-debuginfo - update to 4.19.90-2408.1.0.0288
python3-perf-debuginfo - update to 4.19.90-2408.1.0.0288
kernel-devel - update to 4.19.90-2408.1.0.0288
python3-perf - update to 4.19.90-2408.1.0.0288
kernel-debugsource - update to 4.19.90-2408.1.0.0288
kernel-source - update to 4.19.90-2408.1.0.0288
perf - update to 4.19.90-2408.1.0.0288
python2-perf - update to 4.19.90-2408.1.0.0288
python2-perf-debuginfo - update to 4.19.90-2408.1.0.0288
kernel-tools - update to 4.19.90-2408.1.0.0288
bpftool - update to 4.19.90-2408.1.0.0288
perf-debuginfo - update to 4.19.90-2408.1.0.0288
kernel-tools-devel - update to 4.19.90-2408.1.0.0288

• https://git.kernel.org/stable/c/7315f8538db009605ffba00370678142ef00ac98
• https://git.kernel.org/stable/c/32813321f18d5432cec1b1a6ecc964f9ea26d565
• https://git.kernel.org/stable/c/56eaacb8137ba2071ce48d4e3d91979270e139a7
• https://git.kernel.org/stable/c/c2420bc3333111184cdcb112282d13afe1338dd7
• https://git.kernel.org/stable/c/e8ad9ecc406974deb5e7c070f51cc1d09d21dc4b
• https://git.kernel.org/stable/c/be538b764a46be1d0700fd3b6e82fb76bd17f13a
• https://git.kernel.org/stable/c/94647aec80d03d6914aa664b7b8e103cd9d63239
• https://git.kernel.org/stable/c/f2703def339c793674010cc9f01bfe4980231808
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.273
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.236
• https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.308
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.107
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.30
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.16
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.186

• Resource management error in Linux kernel mips kernel
• openEuler 20.03 LTS SP4 update for kernel