Description (CNA)
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. ]
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 3e4147f33f8b647775357bae0248b9a2aeebfcd2 before e980de2ff109dacb6d9d3a77f01b27c467115ecb; affected 3e4147f33f8b647775357bae0248b9a2aeebfcd2 before 36ff93e66d0efc46e39fab536a9feec968daa766; affected 3e4147f33f8b647775357bae0248b9a2aeebfcd2 before 607b9fb2ce248cc5b633c5949e0153838992c152; affected 5953e7a89966fc5a42124a08ba33a9c57ba5173c; affected 6.6.156 before 6.7 |
| Linux / Linux | affected 6.8; unaffected 0 before 6.8; unaffected 6.12.58 through 6.12.*; unaffected 6.17.8 through 6.17.*; unaffected 6.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/e980de2ff109dacb6d9d3a77f01b27c467115ecb
- https://git.kernel.org/stable/c/36ff93e66d0efc46e39fab536a9feec968daa766
- https://git.kernel.org/stable/c/607b9fb2ce248cc5b633c5949e0153838992c152
ADP enrichment
No English description supplied.
No references supplied.