CVEvulnerability

CVE-2026-31628

5.5 MEDIUM Published 2026-04-24 Modified 2026-10-15 Official page ↗
Status
Modified
Published
2026-04-24
Last modified
2026-10-15
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: x86/CPU: Fix FPDSS on Zen1 Zen1's hardware divider can leave, under certain circumstances, partial results from previous operations. Those results can be leaked by another, attacker thread. Fix that with a chicken bit.

Affected configurations

• linux linux kernel (>= 3.16.58 < 3.17) • linux linux kernel (>= 4.4.144 < 4.5) • linux linux kernel (>= 4.9.102 < 4.10) • linux linux kernel (>= 4.14.1 < 5.10.253) • linux linux kernel (>= 5.11 < 5.15.203) • linux linux kernel (>= 5.16 < 6.1.169) • linux linux kernel (>= 6.2 < 6.6.135) • linux linux kernel (>= 6.7 < 6.12.82) • linux linux kernel (>= 6.13 < 6.18.23) • linux linux kernel (>= 6.19 < 6.19.13) • linux linux kernel (>= 7.0 < 7.0.1) • linux linux kernel 4.14

References