# CVE-2022-27672: linux: When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling th... CVE-2022-27672 is fixed in 31 products on 1 platform, first by DEBIAN-CVE-2022-27672, released March 1, 2023. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2022-27672 - Priority: Routine - CVSS: 4.7 (medium) - EPSS: 0.0028 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Mar 1, 2023 ## Description When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | bpftool amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | bpftool-debuginfo amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-debuginfo amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-devel amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-headers amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-libbpf amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-libbpf-devel amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-libbpf-static amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-livepatch-6.1.12-17.42 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-tools amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-tools-debuginfo amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-tools-devel amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | kernel-uek ol 8 | 0:5.4.17-2136.318.7.1.el8uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-container ol 8 | 0:5.4.17-2136.318.7.1.el8 | [ELSA-2023-12256](https://patchblox.com/security/data/fix/linux/elsa-2023-12256.md) | Apr 17, 2023 | | Linux | kernel-uek-container-debug ol 8 | 0:5.4.17-2136.318.7.1.el8 | [ELSA-2023-12256](https://patchblox.com/security/data/fix/linux/elsa-2023-12256.md) | Apr 17, 2023 | | Linux | kernel-uek-debug ol 8 | 0:5.4.17-2136.318.7.1.el8uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2136.318.7.1.el8uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-devel ol 8 | 0:5.4.17-2136.318.7.1.el8uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-doc ol 8 | 0:5.4.17-2136.318.7.1.el8uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-tools ol 8 | 0:5.4.17-2136.318.7.1.el7uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2136.318.7.1.el7uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | linux Debian 12.15 (bookworm) | 6.1.12-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | | Linux | linux Debian 13.5 (trixie) | 6.1.12-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | | Linux | linux Debian 14 | 6.1.12-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | | Linux | perf amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | perf ol 8 | 0:5.4.17-2136.318.7.1.el7uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | perf-debuginfo amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | python-perf ol 8 | 0:5.4.17-2136.318.7.1.el7uek | [ELSA-2023-12255](https://patchblox.com/security/data/fix/linux/elsa-2023-12255.md) | Apr 17, 2023 | | Linux | python3-perf amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | python3-perf-debuginfo amzn 2023 | 6.1.12-17.42.amzn2023 | [ALAS2023-2023-132](https://patchblox.com/security/data/fix/linux/alas2023-2023-132.md) | Mar 11, 2023 | | Linux | xen Debian 12.15 (bookworm) | 4.17.0+46-gaaf74a532c-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | | Linux | xen Debian 13.5 (trixie) | 4.17.0+46-gaaf74a532c-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | | Linux | xen Debian 14 | 4.17.0+46-gaaf74a532c-1 | [DEBIAN-CVE-2022-27672](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27672.md) | Mar 1, 2023 | --- Data as of 2026-11-08T06:59:42Z UTC. 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