CVEvulnerability
CVE-2026-43206
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-05-06
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• linux linux kernel (>= 4.17 < 5.10.252)
• linux linux kernel (>= 5.11 < 5.15.202)
• linux linux kernel (>= 5.16 < 6.1.165)
• linux linux kernel (>= 6.2 < 6.6.128)
• linux linux kernel (>= 6.7 < 6.12.75)
• linux linux kernel (>= 6.13 < 6.18.16)
• linux linux kernel (>= 6.19 < 6.19.6)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://git.kernel.org/stable/c/3e04bc310d80b46eaf481f1fefcbcb37a187412d Patch
- https://git.kernel.org/stable/c/4857c37c7ba9aa38b9a4c694e8bd8d0091c87940 Patch
- https://git.kernel.org/stable/c/4e72f419e4ed44cb3b60506752d8688c20a60a9b Patch
- https://git.kernel.org/stable/c/75fb57efdd7863fffbc39db23e9cad7aafda26ed Patch
- https://git.kernel.org/stable/c/8a70a26c9f34baea6c3199a9862ddaff4554a96d Patch
- https://git.kernel.org/stable/c/b4034442cb090e4a980bdcc1540948606cbc951b Patch
- https://git.kernel.org/stable/c/bfcd6b53e1f4feb182952f4ff9a137c36ceaf20b Patch
- https://git.kernel.org/stable/c/de8d7a25cd2eb5875b1d8d4fbc7fe4b4138b781f Patch