Improper locking in Linux kernel - CVE-2024-56585

Vulnerability identifier: #VU102169

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-2024-56585

CWE-ID: CWE-667

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 improper locking within the setup_tlb_handler() function in arch/loongarch/mm/tlb.c. A local user can perform a denial of service (DoS) attack.

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

Install update from vendor's website.

Linux kernel - update to 6.6.66
bpftool - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
python3-perf-debuginfo - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
python3-perf - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
perf-debuginfo - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
perf - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-tools-devel - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-tools-debuginfo - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-tools - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-source - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-headers - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-devel - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-debugsource - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
kernel-debuginfo - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79
bpftool-debuginfo - addressed in versions 6.6.0-75.0.0.68, 6.6.0-75.0.0.79

• https://git.kernel.org/stable/c/08715b741f9b2a925d6485491e4907f3b29bac70
• https://git.kernel.org/stable/c/6575e0867bd478a5d7ef1783ca1e73160807d238
• https://git.kernel.org/stable/c/88fd2b70120d52c1010257d36776876941375490
• https://git.kernel.org/stable/c/c5f89458a2ea0800866b9fc690d3fa8367dc8f8d
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66

• Improper locking in Linux kernel loongarch mm
• openEuler 24.03 LTS update for kernel
• openEuler 24.03 LTS SP1 update for kernel