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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00024.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 1e23b30a80b14e5764657401ee2cca030525ae8e
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < f5bc3aef7df46eaaf423d7413ab8833f704ae576
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 251497955f2314cd39d43191e81c6151dead4c7b
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < ff6fc65b3bf73acc5ee71919154d830ad5431362
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 9109489cc8c34e50d15575a3d1ff82af586bc1aa
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 28f5ed477eef166d678d6966762cbc1de9b4f436
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 1cd85a19748b2407830376a5cbae5c0f126016e5
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < c21b90f77687075115d989e53a8ec5e2bb427ab1
0 affected < 5.10.256
0 affected < 5.15.207
0 affected < 6.1.173
0 affected < 6.6.139
0 affected < 6.12.88
0 affected < 6.18.30
0 affected < 7.0.7
Linux Linux affected
Version Status Constraints
5.10.256 unaffected ≤ 5.10.*
5.15.207 unaffected ≤ 5.15.*
6.1.173 unaffected ≤ 6.1.*
6.6.139 unaffected ≤ 6.6.*
6.12.88 unaffected ≤ 6.12.*
6.18.30 unaffected ≤ 6.18.*
7.0.7 unaffected ≤ 7.0.*
7.1-rc4 unaffected ≤ *

No data.

No data.

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Vendors Products
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Linux Kernel Subscribe

Project Subscriptions

Vendors Products
Linux Subscribe
Linux Kernel Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4606-1 linux security update
Debian DLA Debian DLA DLA-4607-1 linux-6.1 security update
Debian DSA Debian DSA DSA-6306-1 linux security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5 cve-icon cve-icon
https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e cve-icon cve-icon
https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b cve-icon cve-icon
https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436 cve-icon cve-icon
https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa cve-icon cve-icon
https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1 cve-icon cve-icon
https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576 cve-icon cve-icon
https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2026052828-CVE-2026-46174-e399@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-46174 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-46174 cve-icon
History

Fri, 29 May 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-653
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Thu, 28 May 2026 10:15:00 +0000

Type Values Removed Values Added
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.
Title x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-05-28T09:36:28.703Z

Reserved: 2026-05-13T15:03:33.103Z

Link: CVE-2026-46174

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-28T10:16:33.020

Modified: 2026-05-28T13:44:01.663

Link: CVE-2026-46174

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-05-28T00:00:00Z

Links: CVE-2026-46174 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-29T02:00:09Z

Weaknesses