SB2024080781 - NULL pointer dereference in Linux kernel s390 mm
Published: August 7, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024080781
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-42235)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the crst_table_alloc() and base_crst_alloc() functions in arch/s390/mm/pgalloc.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/794fa52b94637d6b2e8c9474fbe3983af5c9f046
- https://git.kernel.org/stable/c/f80bd8bb6f380bc265834c46058d38b34174813e
- https://git.kernel.org/stable/c/b5efb63acf7bddaf20eacfcac654c25c446eabe8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.41