SB2025092387 - Improper error handling in Linux kernel mm
Published: September 23, 2025
Security Bulletin ID
SB2025092387
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 error handling (CVE-ID: CVE-2025-39883)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the unpoison_memory() function in mm/memory-failure.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/3d278e89c2ea62b1aaa4b0d8a9766a35b3a3164a
- https://git.kernel.org/stable/c/63a327a2375a8ce7a47dec5aaa4d8a9ae0a00b96
- https://git.kernel.org/stable/c/7618fd443aa4cfa553a64cacf5721581653ee7b0
- https://git.kernel.org/stable/c/d613f53c83ec47089c4e25859d5e8e0359f6f8da
- https://git.kernel.org/stable/c/e4ec6def5643a1c9511115b3884eb879572294c6