Skip to main content
cve.nowby Sazabi
← All vulnerabilities
CVE-2026-46174

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.17, 4.5, 4.10, 5.10.256, 5.15.207, and 5 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in 1e23b30a80b14e5764657401ee2cca030525ae8e; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in f5bc3aef7df46eaaf423d7413ab8833f704ae576; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in 251497955f2314cd39d43191e81c6151dead4c7b; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in ff6fc65b3bf73acc5ee71919154d830ad5431362; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in 9109489cc8c34e50d15575a3d1ff82af586bc1aa; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in 28f5ed477eef166d678d6966762cbc1de9b4f436; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in 1cd85a19748b2407830376a5cbae5c0f126016e5; From f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 · fixed in c21b90f77687075115d989e53a8ec5e2bb427ab1; From 3.16.58 · fixed in 3.17; From 4.4.144 · fixed in 4.5; From 4.9.102 · fixed in 4.10

  • Linux Linux

    4.14

  • KernelLinux

    From 4.14.0 · fixed in 5.10.256; From 5.11.0 · fixed in 5.15.207; From 5.16.0 · fixed in 6.1.173; From 6.2.0 · fixed in 6.6.139; From 6.7.0 · fixed in 6.12.88; From 6.13.0 · fixed in 6.18.30; From 6.19.0 · fixed in 7.0.7

References 8

git.kernel.org