What is GHSA-4cvr-6334-4837?

GHSA-4cvr-6334-4837 is a security advisory published by GitHub Security Advisories with High severity. In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Add missing...

Which CVE IDs does GHSA-4cvr-6334-4837 cover?

GHSA-4cvr-6334-4837 covers the following CVE IDs: CVE-2025-68195. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4cvr-6334-4837?

GHSA-4cvr-6334-4837 has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-4cvr-6334-4837HighCVSS 7.1

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Add missing...

Vendor

GitHub Security Advisories

Published

December 16, 2025

Last Modified

July 30, 2026

🔗 CVE IDs covered (1)

CVE-2025-68195 →

📋 Description

In the Linux kernel, the following vulnerability has been resolved:

x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode

Running x86_match_min_microcode_rev() on a Zen5 CPU trips up KASAN for an out of bounds access.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-68195
https://git.kernel.org/stable/c/4c6b56a76478bd1ab609827c571905386c11d308
https://git.kernel.org/stable/c/f1fdffe0afea02ba783acfe815b6a60e7180df40
https://github.com/advisories/GHSA-4cvr-6334-4837