DEBIAN-CVE-2025-68313
Record from OSV · Published December 16, 2025
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. ]
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:13 | 6.12.63-1 |
| linux | Debian:14 | 6.17.8-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:14 | linux | 6.12.43-1~bpo12+1, 6.12.48-1, 6.12.57-1 |
Timeline
- Dec 16, 2025 CVE Published
- Oct 16, 2026 CVE Updated
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