CVE-2026-43206

HIGH

drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() The kfd_event_page_set() function writes KFD_SIGNAL_EVENT_LIMIT * 8 bytes via memset without checking the buffer size parameter. This allows unprivileged userspace to trigger an out-of bounds kernel memory write by passing a small buffer, leading to potential privilege escalation.

Scores

CVSS v3 7.8
EPSS 0.0014
EPSS Percentile 3.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (34)
linux/Kernel 4.17.0 - 5.10.252linux
linux/Kernel 5.11.0 - 5.15.202linux
linux/Kernel 5.16.0 - 6.1.165linux
linux/Kernel 6.13.0 - 6.18.16linux
linux/Kernel 6.19.0 - 6.19.6linux
linux/Kernel 6.2.0 - 6.6.128linux
linux/Kernel 6.7.0 - 6.12.75linux
Linux/Linux < 4.17
Linux/Linux 0fc8011f89feb8b2c3008583b777d097e1974660 - 3e04bc310d80b46eaf481f1fefcbcb37a187412d
Linux/Linux 0fc8011f89feb8b2c3008583b777d097e1974660 - 4857c37c7ba9aa38b9a4c694e8bd8d0091c87940
... and 24 more
Published May 06, 2026
Tracked Since May 06, 2026