CVE-2026-46174
x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
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.
INFO
Published Date :
May 28, 2026, 10:16 a.m.
Last Modified :
June 10, 2026, 9:08 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Apply vendor-provided patches for Zen2 CPU resources.
- Ensure proper isolation of shared resources in op cache.
- Rebuild the kernel with updated configurations.
Public PoC/Exploit Available at Github
CVE-2026-46174 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46174.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46174 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46174
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46174 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46174 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Jun. 10, 2026
Action Type Old Value New Value Added CWE NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.16.58 up to (excluding) 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:*:*:*:*:*:*:*:* versions from (including) 4.4.144 up to (excluding) 4.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.9.102 up to (excluding) 4.10 *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:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.14.1 up to (excluding) 5.10.256 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.207 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.173 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.139 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2026
Action Type Old Value New Value 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. Added Reference https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5 Added Reference https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e Added Reference https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b Added Reference https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436 Added Reference https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa Added Reference https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1 Added Reference https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576 Added Reference https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362