SB2025042276 - NULL pointer dereference in Linux kernel cpu resctrl
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042276
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) NULL pointer dereference (CVE-ID: CVE-2025-38049)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the closid_alloc() function in arch/x86/kernel/cpu/resctrl/rdtgroup.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/93a418fc61da13d1ee4047d4d1327990f7a2816a
- https://git.kernel.org/stable/c/a121798ae669351ec0697c94f71c3a692b2a755b
- https://git.kernel.org/stable/c/a8a1bcc27d4607227088d80483164289b5348293
- https://git.kernel.org/stable/c/ed5addb55e403ad6598102bcf546e068ae01fef6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11