Improper locking in Linux kernel - CVE-2024-26781

Vulnerability identifier: #VU90785

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-2024-26781

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 subflow_get_info() function in net/mptcp/diag.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
openEuler
SmartFabric Storage Software
perf-debuginfo
python3-perf-debuginfo
python3-perf
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel
kernel-devel
linux (Debian package)
IBM Security Guardium

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.212, 5.15.151, 6.1.81, 6.6.21, 6.7.9, 6.8
SmartFabric Storage Software - update to 1.4.3
perf-debuginfo - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
python3-perf-debuginfo - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
python3-perf - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
perf - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-tools-devel - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-tools-debuginfo - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-tools - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-source - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-headers - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-debugsource - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-debuginfo - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
bpftool-debuginfo - update to 5.10.0-248.0.0.147
bpftool - update to 5.10.0-248.0.0.147
kernel - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
kernel-devel - addressed in versions 5.10.0-248.0.0.147, 5.10.0-248.0.0.150
linux (Debian package) - addressed in versions 5.10.216-1, 6.1.85-1
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

• https://git.kernel.org/stable/c/70e5b013538d5e4cb421afed431a5fcd2a5d49ee
• https://git.kernel.org/stable/c/cc32ba2fdf3f8b136619fff551f166ba51ec856d
• https://git.kernel.org/stable/c/f27d319df055629480b84b9288a502337b6f2a2e
• https://git.kernel.org/stable/c/fa8c776f4c323a9fbc8ddf25edcb962083391430
• https://git.kernel.org/stable/c/d487e7ba1bc7444d5f062c4930ef8436c47c7e63
• https://git.kernel.org/stable/c/d6a9608af9a75d13243d217f6ce1e30e57d56ffe
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.212
• https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8

• Improper locking in Linux kernel mptcp
• Debian update for linux
• Debian update for linux
• Multiple vulnerabilities in IBM Security Guardium
• openEuler 22.03 LTS SP4 update for kernel
• openEuler 22.03 LTS SP3 update for kernel
• Dell SmartFabric Storage Software update for third-party components