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CVE-2026-46174

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before 1e23b30a80b14e5764657401ee2cca030525ae8e; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before f5bc3aef7df46eaaf423d7413ab8833f704ae576; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before 251497955f2314cd39d43191e81c6151dead4c7b; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before ff6fc65b3bf73acc5ee71919154d830ad5431362; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before 9109489cc8c34e50d15575a3d1ff82af586bc1aa; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before 28f5ed477eef166d678d6966762cbc1de9b4f436; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before 1cd85a19748b2407830376a5cbae5c0f126016e5; affected f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 before c21b90f77687075115d989e53a8ec5e2bb427ab1; affected 5abd1583e06b3963e5c9d915760367de86808b78; affected 4ba461d426490b6ed7e8298c4d3b7a13aa5d2686; affected 5a63725cd18fcee2af6ec46ccb856b64ad3077b4; affected 3.16.58 before 3.17; affected 4.4.144 before 4.5; affected 4.9.102 before 4.10
Linux / Linuxaffected 4.14; unaffected 0 before 4.14; unaffected 5.10.256 through 5.10.*; unaffected 5.15.207 through 5.15.*; unaffected 6.1.173 through 6.1.*; unaffected 6.6.139 through 6.6.*; unaffected 6.12.88 through 6.12.*; unaffected 6.18.30 through 6.18.*; unaffected 7.0.7 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

siemens-SADP

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.