SB2024042239 - Denial of service in Linux kernel memhp
Published: April 22, 2024
Security Bulletin ID
SB2024042239
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) Out-of-bounds read (CVE-ID: CVE-2023-52451)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the dlpar_memory_remove_by_index() function in arch/powerpc/platforms/pseries/hotplug-memory.c. A local user can trigger an out-of-bounds read and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/bb79613a9a704469ddb8d6c6029d532a5cea384c
- https://git.kernel.org/stable/c/9b5f03500bc5b083c0df696d7dd169d7ef3dd0c7
- https://git.kernel.org/stable/c/b582aa1f66411d4adcc1aa55b8c575683fb4687e
- https://git.kernel.org/stable/c/999a27b3ce9a69d54ccd5db000ec3a447bc43e6d
- https://git.kernel.org/stable/c/026fd977dc50ff4a5e09bfb0603557f104d3f3a0
- https://git.kernel.org/stable/c/df16afba2378d985359812c865a15c05c70a967e
- https://git.kernel.org/stable/c/708a4b59baad96c4718dc0bd3a3427d3ab22fedc
- https://git.kernel.org/stable/c/bd68ffce69f6cf8ddd3a3c32549d1d2275e49fc5