CVE-2026-46174
8.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 1e23b30a80b14e5764657401ee2cca030525ae8e | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < f5bc3aef7df46eaaf423d7413ab8833f704ae576 | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 251497955f2314cd39d43191e81c6151dead4c7b | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < ff6fc65b3bf73acc5ee71919154d830ad5431362 | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 9109489cc8c34e50d15575a3d1ff82af586bc1aa | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 28f5ed477eef166d678d6966762cbc1de9b4f436 | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < 1cd85a19748b2407830376a5cbae5c0f126016e5 | affected |
| Linux | Linux | f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 < c21b90f77687075115d989e53a8ec5e2bb427ab1 | affected |
| Linux | Linux | 5abd1583e06b3963e5c9d915760367de86808b78 | affected |
| Linux | Linux | 4ba461d426490b6ed7e8298c4d3b7a13aa5d2686 | affected |
| Linux | Linux | 5a63725cd18fcee2af6ec46ccb856b64ad3077b4 | affected |
| Linux | Linux | 3.16.58 < 3.17 | affected |
| Linux | Linux | 4.4.144 < 4.5 | affected |
| Linux | Linux | 4.9.102 < 4.10 | affected |
| Linux | Linux | 4.14 | affected |
| Linux | Linux | 0 < 4.14 | unaffected |
| Linux | Linux | 5.10.256 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.207 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.173 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.139 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.88 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.30 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.7 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/1e23b30a80b14e5764657401ee2cca030525ae8e
- https://git.kernel.org/stable/c/f5bc3aef7df46eaaf423d7413ab8833f704ae576
- https://git.kernel.org/stable/c/251497955f2314cd39d43191e81c6151dead4c7b
- https://git.kernel.org/stable/c/ff6fc65b3bf73acc5ee71919154d830ad5431362
- https://git.kernel.org/stable/c/9109489cc8c34e50d15575a3d1ff82af586bc1aa
- https://git.kernel.org/stable/c/28f5ed477eef166d678d6966762cbc1de9b4f436
- https://git.kernel.org/stable/c/1cd85a19748b2407830376a5cbae5c0f126016e5
- https://git.kernel.org/stable/c/c21b90f77687075115d989e53a8ec5e2bb427ab1
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