CVE-2026-46197CWE-120CWE-787

CVE-2026-46197

High · published May 28, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.8th percentile
Weaknesses
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'); CWE-787 · Out-of-bounds Write
Published
2026-05-28T14:16Z
Affected products (7)
ProductVersionsFixed in
linux/linux_kernel≥ 5.14, < 5.15.2095.15.209
linux/linux_kernel≥ 5.16, < 6.1.1756.1.175
linux/linux_kernel≥ 6.2, < 6.6.1406.6.140
linux/linux_kernel≥ 6.7, < 6.12.906.12.90
linux/linux_kernel≥ 6.13, < 6.18.326.18.32
linux/linux_kernel≥ 6.19, < 7.0.97.0.9
linux/linux_kernelall versions—
References (7)
EPSS history
Timeline
  • 28 MAY 09:40Z
    drm/amdkfd: validate SVM ioctl nattr against buffer size
    cvelistv5