{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46174","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.103Z","datePublished":"2026-05-28T09:36:28.703Z","dateUpdated":"2026-06-14T18:00:11.496Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:00:11.496Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache\n\nMake sure resources are not improperly shared in the op cache and\ncause instruction corruption this way."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"versions":[{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"1e23b30a80b14e5764657401ee2cca030525ae8e","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"f5bc3aef7df46eaaf423d7413ab8833f704ae576","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"251497955f2314cd39d43191e81c6151dead4c7b","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"ff6fc65b3bf73acc5ee71919154d830ad5431362","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"9109489cc8c34e50d15575a3d1ff82af586bc1aa","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"28f5ed477eef166d678d6966762cbc1de9b4f436","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"1cd85a19748b2407830376a5cbae5c0f126016e5","status":"affected","versionType":"git"},{"version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","lessThan":"c21b90f77687075115d989e53a8ec5e2bb427ab1","status":"affected","versionType":"git"},{"version":"5abd1583e06b3963e5c9d915760367de86808b78","status":"affected","versionType":"git"},{"version":"4ba461d426490b6ed7e8298c4d3b7a13aa5d2686","status":"affected","versionType":"git"},{"version":"5a63725cd18fcee2af6ec46ccb856b64ad3077b4","status":"affected","versionType":"git"},{"version":"3.16.58","lessThan":"3.17","status":"affected","versionType":"semver"},{"version":"4.4.144","lessThan":"4.5","status":"affected","versionType":"semver"},{"version":"4.9.102","lessThan":"4.10","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"versions":[{"version":"4.14","status":"affected"},{"version":"0","lessThan":"4.14","status":"unaffected","versionType":"semver"},{"version":"5.10.256","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.207","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.173","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.139","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.7","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.256"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.207"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.139"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.144"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.102"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e"},{"url":"https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576"},{"url":"https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b"},{"url":"https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362"},{"url":"https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa"},{"url":"https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436"},{"url":"https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5"},{"url":"https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1"}],"title":"x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache","x_generator":{"engine":"bippy-1.2.0"}}}}