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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.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-28 | Updated 2026-05-30 | Assigner Linux




HIGH: 8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Product status

Default status
unaffected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before 1e23b30a80b14e5764657401ee2cca030525ae8e
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before f5bc3aef7df46eaaf423d7413ab8833f704ae576
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before 251497955f2314cd39d43191e81c6151dead4c7b
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before ff6fc65b3bf73acc5ee71919154d830ad5431362
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before 9109489cc8c34e50d15575a3d1ff82af586bc1aa
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before 28f5ed477eef166d678d6966762cbc1de9b4f436
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before 1cd85a19748b2407830376a5cbae5c0f126016e5
affected

f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 (git) before c21b90f77687075115d989e53a8ec5e2bb427ab1
affected

5abd1583e06b3963e5c9d915760367de86808b78 (git)
affected

4ba461d426490b6ed7e8298c4d3b7a13aa5d2686 (git)
affected

5a63725cd18fcee2af6ec46ccb856b64ad3077b4 (git)
affected

3.16.58 (semver) before 3.17
affected

4.4.144 (semver) before 4.5
affected

4.9.102 (semver) before 4.10
affected

Default status
affected

4.14
affected

Any version before 4.14
unaffected

5.10.256 (semver)
unaffected

5.15.207 (semver)
unaffected

6.1.173 (semver)
unaffected

6.6.139 (semver)
unaffected

6.12.88 (semver)
unaffected

6.18.30 (semver)
unaffected

7.0.7 (semver)
unaffected

7.1-rc4 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/1e23b30a80b14e5764657401ee2cca030525ae8e

git.kernel.org/...c/f5bc3aef7df46eaaf423d7413ab8833f704ae576

git.kernel.org/...c/251497955f2314cd39d43191e81c6151dead4c7b

git.kernel.org/...c/ff6fc65b3bf73acc5ee71919154d830ad5431362

git.kernel.org/...c/9109489cc8c34e50d15575a3d1ff82af586bc1aa

git.kernel.org/...c/28f5ed477eef166d678d6966762cbc1de9b4f436

git.kernel.org/...c/1cd85a19748b2407830376a5cbae5c0f126016e5

git.kernel.org/...c/c21b90f77687075115d989e53a8ec5e2bb427ab1

cve.org (CVE-2026-46174)

nvd.nist.gov (CVE-2026-46174)

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