Description

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Add RDSEED fix for Zen5 There's an issue with RDSEED's 16-bit and 32-bit register output variants on Zen5 which return a random value of 0 "at a rate inconsistent with randomness while incorrectly signaling success (CF=1)". Search the web for AMD-SB-7055 for more detail. Add a fix glue which checks microcode revisions. [ bp: Add microcode revisions checking, rewrite. ]

INFO

Published Date :

2025-12-16T15:39:43.972Z

Last Modified :

2026-01-02T15:34:56.955Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-68313 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-68313.

URL Resource
https://git.kernel.org/stable/c/36ff93e66d0efc46e39fab536a9feec968daa766 cve-icon cve-icon
https://git.kernel.org/stable/c/607b9fb2ce248cc5b633c5949e0153838992c152 cve-icon cve-icon
https://git.kernel.org/stable/c/e980de2ff109dacb6d9d3a77f01b27c467115ecb cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025121654-CVE-2025-68313-c65d@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-68313 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-68313 cve-icon
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