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Vulnerability record · CVE-2026-46197 · published 28 May 2026

CVE-2026-46197: Linux kernel out-of-bounds write vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

7.8 CVSS 3.1 High EPSS 0.18% · top 93.6% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1 Patch
https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3 Patch
https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52 Patch
https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc Patch
https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21 Patch
https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631 Patch
https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-46197), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.