#VU99010 Improper locking in Linux kernel - CVE-2024-50014
Vulnerability identifier: #VU99010
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: CVE-2024-50014
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 __ext4_fill_super() function in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 6.1, 6.1 rc1, 6.1 rc3, 6.1 rc7, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7, 6.1.8, 6.1.9, 6.1.10, 6.1.11, 6.1.12, 6.1.13, 6.1.14, 6.1.15, 6.1.16, 6.1.17, 6.1.18, 6.1.19, 6.1.20, 6.1.21, 6.1.22, 6.1.23, 6.1.24, 6.1.25, 6.1.26, 6.1.27, 6.1.28, 6.1.29, 6.1.30, 6.1.31, 6.1.32, 6.1.33, 6.1.34, 6.1.35, 6.1.36, 6.1.37, 6.1.38, 6.1.39, 6.1.40, 6.1.41, 6.1.42, 6.1.43, 6.1.44, 6.1.45, 6.1.46, 6.1.47, 6.1.48, 6.1.49, 6.1.50, 6.1.51, 6.1.52, 6.1.53, 6.1.54, 6.1.55, 6.1.56, 6.1.57, 6.1.58, 6.1.59, 6.1.60, 6.1.61, 6.1.62, 6.1.63, 6.1.64, 6.1.65, 6.1.66, 6.1.67, 6.1.68, 6.1.69, 6.1.70, 6.1.71, 6.1.72, 6.1.73, 6.1.74, 6.1.75, 6.1.76, 6.1.77, 6.1.78, 6.1.79, 6.1.80, 6.1.81, 6.1.82, 6.1.83, 6.1.84, 6.1.85, 6.1.86, 6.1.87, 6.1.88, 6.1.89, 6.1.90, 6.1.91, 6.1.92, 6.1.93, 6.1.94, 6.1.95, 6.1.96, 6.1.97, 6.1.98, 6.1.99, 6.1.100, 6.1.101, 6.1.102, 6.1.103, 6.1.104, 6.1.105, 6.1.106, 6.1.107, 6.1.108, 6.1.109, 6.1.110, 6.1.111, 6.1.112, 6.1.113, 6.1.114, 6.1.115, 6.1.116, 6.1.117, 6.1.118, 6.1.119, 6.1.120, 6.1.121, 6.1.122, 6.1.123, 6.1.124, 6.1.125, 6.1.126, 6.1.127, 6.6, 6.6 rc1, 6.6 rc2, 6.6 rc3, 6.6 rc4, 6.6 rc5, 6.6 rc6, 6.6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6, 6.6.7, 6.6.8, 6.6.9, 6.6.10, 6.6.11, 6.6.12, 6.6.13, 6.6.14, 6.6.15, 6.6.16, 6.6.17, 6.6.18, 6.6.19, 6.6.20, 6.6.21, 6.6.22, 6.6.23, 6.6.24, 6.6.25, 6.6.26, 6.6.27, 6.6.28, 6.6.29, 6.6.30, 6.6.31, 6.6.32, 6.6.33, 6.6.34, 6.6.35, 6.6.36, 6.6.37, 6.6.38, 6.6.39, 6.6.40, 6.6.41, 6.6.42, 6.6.43, 6.6.44, 6.6.45, 6.6.46, 6.6.47, 6.6.48, 6.6.49, 6.6.50, 6.6.51, 6.6.52, 6.6.53, 6.6.54, 6.6.55, 6.6.56, 6.6.57, 6.6.58, 6.6.59, 6.6.60, 6.6.61, 6.6.62, 6.6.63, 6.6.64, 6.6.65, 6.6.66, 6.6.67, 6.6.68, 6.6.69, 6.6.70, 6.6.71, 6.6.72, 6.6.73, 6.6.74, 6.10, 6.10.1, 6.10.2, 6.10.3, 6.10.4, 6.10.5, 6.10.6, 6.10.7, 6.10.8, 6.10.9, 6.10.10, 6.10.11, 6.10.12, 6.10.13, 6.11, 6.11.1, 6.11.2
External links
https://git.kernel.org/stable/c/d157fc20ca5239fd56965a5a8aa1a0e25919891a
https://git.kernel.org/stable/c/b002031d585a14eed511117dda8c6452a804d508
https://git.kernel.org/stable/c/23dfdb56581ad92a9967bcd720c8c23356af74c1
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.128
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.75
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.
