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CVE-2026-46174

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c48ac07a78c74cb090fdb603f61dc2c6c676a3731796f90015729891b8cd4f7d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 12 assertions

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/5

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/6

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/4

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/2

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1e23b30a80b14e5764657401ee2cca030525ae8e","status":"affected","version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","versionType":"git"},{"lessThan":"f5bc3aef7df46eaaf423d7413ab8833f704ae576","status":"affected","version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","versionType":"git"},{"lessThan":"251497955f2314cd3…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/7

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/3

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/9

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.256","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.207","versionType":"semver"},{"lessThanOrEqual":"6.…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/8

Affected products and versions

12 source assertions
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/5
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/6
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/4
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/2
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1e23b30a80b14e5764657401ee2cca030525ae8e","status":"affected","version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","versionType":"git"},{"lessThan":"f5bc3aef7df46eaaf423d7413ab8833f704ae576","status":"affected","version":"f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9","versionType":"git"},{"lessThan":"251497955f2314cd3…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/7
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/3
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/9
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/include/asm/msr-index.h","arch/x86/kernel/cpu/amd.c","tools/arch/x86/include/asm/msr-index.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.256","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.207","versionType":"semver"},{"lessThanOrEqual":"6.…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/affected/8

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/metrics/0/cvssV3_1

Source references

10 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/references/1
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fcd8cf8816b2882ad249c80c6050d13f463e2ae112a5342c563818609794307f · sha256:3d7c0f5f8b41cddb… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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