High severity8.8NVD Advisory· Published May 28, 2026· Updated Jul 14, 2026
CVE-2026-46174
CVE-2026-46174
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
29cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 12 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=3.16.58,<3.17
- cpe:2.3:o:linux:linux_kernel:4.14:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:4.14:rc8:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*
- (no CPE)
- osv-coords15 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 4.14.0, < 5.10.256+ 14 more
- (no CPE)range: >= 4.14.0, < 5.10.256
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.0.11-1.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
10- git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5nvdPatch
- git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8envdPatch
- git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7bnvdPatch
- git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436nvdPatch
- git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aanvdPatch
- git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1nvdPatch
- git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576nvdPatch
- git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362nvdPatch
- cert-portal.siemens.com/productcert/html/ssa-019113.htmlnvd
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlnvd
News mentions
1- Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFPCISA ICS Advisories