x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
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/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8ehttps://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7bhttps://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aahttps://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362