#VU94282 Improper locking in Linux kernel - CVE-2024-40912
Vulnerability identifier: #VU94282
Vulnerability risk: Low
CVSSv4.0: 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:
CWE-ID:
CWE-667
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ieee80211_sta_ps_deliver_wakeup() function in net/mac80211/sta_info.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.19, 4.19.1, 4.19.2, 4.19.3, 4.19.4, 4.19.5, 4.19.6, 4.19.7, 4.19.8, 4.19.9, 4.19.10, 4.19.11, 4.19.12, 4.19.13, 4.19.14, 4.19.15, 4.19.16, 4.19.17, 4.19.18, 4.19.19, 4.19.20, 4.19.21, 4.19.22, 4.19.23, 4.19.24, 4.19.25, 4.19.26, 4.19.27, 4.19.28, 4.19.29, 4.19.30, 4.19.31, 4.19.32, 4.19.33, 4.19.34, 4.19.35, 4.19.36, 4.19.37, 4.19.38, 4.19.39, 4.19.40, 4.19.41, 4.19.42, 4.19.43, 4.19.44, 4.19.45, 4.19.46, 4.19.47, 4.19.48, 4.19.49, 4.19.50, 4.19.51, 4.19.52, 4.19.53, 4.19.54, 4.19.55, 4.19.56, 4.19.57, 4.19.58, 4.19.59, 4.19.60, 4.19.61, 4.19.62, 4.19.63, 4.19.64, 4.19.65, 4.19.66, 4.19.67, 4.19.68, 4.19.69, 4.19.70, 4.19.71, 4.19.72, 4.19.73, 4.19.74, 4.19.75, 4.19.76, 4.19.77, 4.19.78, 4.19.79, 4.19.80, 4.19.81, 4.19.82, 4.19.83, 4.19.84, 4.19.85, 4.19.86, 4.19.87, 4.19.88, 4.19.89, 4.19.90, 4.19.91, 4.19.92, 4.19.93, 4.19.94, 4.19.95, 4.19.96, 4.19.97, 4.19.98, 4.19.99, 4.19.100, 4.19.101, 4.19.102, 4.19.103, 4.19.104, 4.19.105, 4.19.106, 4.19.107, 4.19.108, 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External links
https://git.kernel.org/stable/c/e51637e0c66a6f72d134d9f95daa47ea62b43c7e
https://git.kernel.org/stable/c/28ba44d680a30c51cf485a2f5a3b680e66ed3932
https://git.kernel.org/stable/c/e7e916d693dcb5a297f40312600a82475f2e63bc
https://git.kernel.org/stable/c/d90bdff79f8e40adf889b5408bfcf521528b169f
https://git.kernel.org/stable/c/9c49b58b9a2bed707e7638576e54c4bccd97b9eb
https://git.kernel.org/stable/c/456bbb8a31e425177dc0e8d4f98728a560c20e81
https://git.kernel.org/stable/c/47d176755d5c0baf284eff039560f8c1ba0ea485
https://git.kernel.org/stable/c/44c06bbde6443de206b30f513100b5670b23fc5e
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
