CVE-2026-63879
Published: July 22, 2026Last modified: November 3, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix amdgpu_hmm_range_get_pages The notifier sequence must only be read once or otherwise we could work with invalid pages. While at it also fix the coding style, e.g. drop the pre-initialized return value and use the common define for 2G range. (cherry picked from commit c08972f555945cda57b0adb72272a37910153390)
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Not affected (6.1.33-r0) |
| 25 LTS | linux-lts | Fixed (6.12.115-r0) | |
| Stream | linux-lts | Fixed (6.18.58-r0) |
References
- https://git.kernel.org/stable/c/2fd24407457a6b181ba827705678da70e528dcd0
- https://git.kernel.org/stable/c/93a9f121de6383f20290840d025ee28fda5f53b5
- https://git.kernel.org/stable/c/962d684b5dc0741dcd93485d41b450de402d5592
- https://git.kernel.org/stable/c/e35cf322897dd4921248d11311a89c865b534c14
- https://git.kernel.org/stable/c/fa34d3e14cb763b50702e8a0f7d4cfd877a73ab9