SB2024081990 - Improper locking in Linux kernel s390 kernel
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081990
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-43832)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the make_folio_secure() and folio_wait_writeback() functions in arch/s390/kernel/uv.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7
- https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb
- https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16
- https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44