#VU93333 Improper locking in Linux kernel - CVE-2024-38661
Published: June 25, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU93333
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-2024-38661
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 hex2bitmap() function in drivers/s390/crypto/ap_bus.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/2062e3f1f2374102f8014d7ca286b9aa527bd558
- https://git.kernel.org/stable/c/7c72af16abf2ec7520407098360bbba312289e05
- https://git.kernel.org/stable/c/7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0
- https://git.kernel.org/stable/c/67011123453b91ec03671d40712fa213e94a01b9
- https://git.kernel.org/stable/c/8c5f5911c1b13170d3404eb992c6a0deaa8d81ad
- https://git.kernel.org/stable/c/4c0bfb4e867c1ec6616a5049bd3618021e127056
- https://git.kernel.org/stable/c/7dabe54a016defe11bb2a278cd9f1ff6db3feba6
- https://git.kernel.org/stable/c/d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.316
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.219
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.161
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.278
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.94
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.34