CVE-2026-46174
8.8
HIGH
CVSS 3.1
EPSS 0.01%
Description
In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way.
How to fix CVE-2026-46174
To remediate CVE-2026-46174, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 5.10.257-1 or later
- —upgrade to 6.1.174-1~deb11u1 or later
Is CVE-2026-46174 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.10.257-1
- from 0, < 6.1.174-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |