drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE (CVE-2026-80703) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-80703

drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE

Answer in brief

CVE-2026-80703 records a Unknown severity vulnerability in drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 28, 2026Updated Aug 28, 2026Source checked Aug 28, 2026First seen by HOL Aug 28, 2026Material review Aug 28, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <ce813614f63b020a826071276a92f2cfae7cba79 \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b8c05061997408bf81759f2dd31cd5f66771d15f \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9e52212aff8ed1fd9087728f61243ce3efd9d0ac \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4070909ac042f44654aac72f7986ea550c96f591 \|\| >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <99b2fe4f19e3be0a8d0a0b5ea98d855970889653 \|\| >=0 <6.6.151 \|\| >=0 <6.12.103 \|\| >=0 <6.18.44 \|\| >=0 <7.1.8	ce813614f63b020a826071276a92f2cfae7cba79, b8c05061997408bf81759f2dd31cd5f66771d15f, 9e52212aff8ed1fd9087728f61243ce3efd9d0ac, 4070909ac042f44654aac72f7986ea550c96f591, 99b2fe4f19e3be0a8d0a0b5ea98d855970889653, 6.6.151, 6.12.103, 6.18.44, 7.1.8

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux.
Review the reported fix. Update Linux/Linux to ce813614f63b020a826071276a92f2cfae7cba79 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 28, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization. (cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)

Quoted source text, attributed separately from HOL analysis.