#VU102154 Improper locking in Linux kernel - CVE-2024-56739
Published: December 30, 2024 / Updated: May 11, 2025
Vulnerability identifier: #VU102154
Vulnerability risk: Low
CVSSv4.0: 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-2024-56739
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
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 rtc_timer_do_work() function in drivers/rtc/interface.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/0d68e8514d9040108ff7d1b37ca71096674b6efe
- https://git.kernel.org/stable/c/246f621d363988e7040f4546d20203dc713fa3e1
- https://git.kernel.org/stable/c/39ad0a1ae17b54509cd9e93dcd8cec16e7c12d3f
- https://git.kernel.org/stable/c/44b3257ff705d63d5f00ef8ed314a0eeb7ec37f2
- https://git.kernel.org/stable/c/a1f0b4af90cc18b10261ecde56c6a56b22c75bd1
- https://git.kernel.org/stable/c/dd4b1cbcc916fad5d10c2662b62def9f05e453d4
- https://git.kernel.org/stable/c/e77bce0a8c3989b4173c36f4195122bca8f4a3e1
- https://git.kernel.org/stable/c/e8ba8a2bc4f60a1065f23d6a0e7cbea945a0f40d
- https://git.kernel.org/stable/c/fde56535505dde3336df438e949ef4742b6d6d6e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120