CVE-2026-46174
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.14% probability · 3th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5Patch
- https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8ePatch
- https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7bPatch
- https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436Patch
- https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aaPatch
- https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1Patch
- https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576Patch
- https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362Patch
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.