CVE-2026-68106
drm/amdgpu: fix division by zero with invalid uvd dimensions
HIGH 7.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.13 % · percentile 3 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)
Weaknesses (CWE)
- CWE-369 — Divide By Zero
References
- https://git.kernel.org/stable/c/004d0453cfef16f056cb7b8bc04f69f19cf9df32
- https://git.kernel.org/stable/c/00ee64910ecf748cc15b23bbcbea472c203ec1e8
- https://git.kernel.org/stable/c/81c9b4921f62d1642b9d775524ae9240e521a5ed
- https://git.kernel.org/stable/c/52f9a588296432accf2982f7d258192a37562f4f
- https://git.kernel.org/stable/c/a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf
- https://git.kernel.org/stable/c/ffb33d466a68cea3e8a3dbed04d79037a3cbabd1
- https://git.kernel.org/stable/c/be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc
- https://git.kernel.org/stable/c/0c01c811be47e6b146552dd59bfedbea8f09b8f4
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-55487
- GCVE · GCVE-0-2026-68106
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1333 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1255 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1202 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1164 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1163 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1069 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 004d0453cfef16f056cb7b8bc04f69f19cf9df32 ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 00ee64910ecf748cc15b23bbcbea472c203ec1e8 ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 81c9b4921f62d1642b9d775524ae9240e521a5ed ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < 52f9a588296432accf2982f7d258192a37562f4f ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf ; affected d38ceaf99ed015f2a0b9af3499791bd3a3daae21 < ffb33d466a68cea3e8a3dbed04d79037a3cbabd1 |
| Linux · Linux | affected 4.2 ; unaffected 0 < 4.2 ; unaffected 5.10.265 ≤ 5.10.* ; unaffected 5.15.216 ≤ 5.15.* ; unaffected 6.1.183 ≤ 6.1.* ; unaffected 6.6.148 ≤ 6.6.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |