CVE-2026-46174: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op ca

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < 1e23b30a80b14e5764657401ee2cca030525ae8eaffected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < f5bc3aef7df46eaaf423d7413ab8833f704ae576affected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < 251497955f2314cd39d43191e81c6151dead4c7baffected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < ff6fc65b3bf73acc5ee71919154d830ad5431362affected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < 9109489cc8c34e50d15575a3d1ff82af586bc1aaaffected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < 28f5ed477eef166d678d6966762cbc1de9b4f436affected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < 1cd85a19748b2407830376a5cbae5c0f126016e5affected
f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 to < c21b90f77687075115d989e53a8ec5e2bb427ab1affected
5abd1583e06b3963e5c9d915760367de86808b78affected
4ba461d426490b6ed7e8298c4d3b7a13aa5d2686affected
5a63725cd18fcee2af6ec46ccb856b64ad3077b4affected
3.16.58 to < 3.17affected
4.4.144 to < 4.5affected
4.9.102 to < 4.10affected

Linux Linux

Default version status: affected

4.14affected
0 to < 4.14unaffected
5.10.256 to ≤ 5.10.*unaffected
5.15.207 to ≤ 5.15.*unaffected
6.1.173 to ≤ 6.1.*unaffected
6.6.139 to ≤ 6.6.*unaffected
6.12.88 to ≤ 6.12.*unaffected
6.18.30 to ≤ 6.18.*unaffected
7.0.7 to ≤ 7.0.*unaffected
7.1 to ≤ *unaffected

CVE-2026-46174

x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

Description

Affected products

Linux Linux

Linux Linux

References