SB20251216165 - Buffer overflow in Linux kernel x86 intel driver
Published: December 16, 2025
Security Bulletin ID
SB20251216165
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-68303)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the intel_punit_ipc_probe() function in drivers/platform/x86/intel/punit_ipc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/15d560cdf5b36c51fffec07ac2a983ab3bff4cb2
- https://git.kernel.org/stable/c/3e7442c5802146fd418ba3f68dcb9ca92b5cec83
- https://git.kernel.org/stable/c/46e9d6f54184573dae1dcbcf6685a572ba6f4480
- https://git.kernel.org/stable/c/9b9c0adbc3f8a524d291baccc9d0c04097fb4869
- https://git.kernel.org/stable/c/a21615a4ac6fecbb586d59fe2206b63501021789
- https://git.kernel.org/stable/c/c2ee6d38996775a19bfdf20cb01a9b8698cb0baa