Answer in brief
CVE-2026-63840 records a Unknown severity vulnerability in drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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.
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.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=4aeaf3cbfa9f967e71849c66c6914ab6c2054581 <46ad73aec27d020f103b4262e4da2d2c22f54799 || >=4aeaf3cbfa9f967e71849c66c6914ab6c2054581 <3b0ea2021351b6b813b34fac940957f1f4fad85b | 46ad73aec27d020f103b4262e4da2d2c22f54799, 3b0ea2021351b6b813b34fac940957f1f4fad85b |
| Linux/Linuxgeneric | 7.0 | Not reported |
Published upstream
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-63840 records a Unknown severity vulnerability in drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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.
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.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=4aeaf3cbfa9f967e71849c66c6914ab6c2054581 <46ad73aec27d020f103b4262e4da2d2c22f54799 || >=4aeaf3cbfa9f967e71849c66c6914ab6c2054581 <3b0ea2021351b6b813b34fac940957f1f4fad85b | 46ad73aec27d020f103b4262e4da2d2c22f54799, 3b0ea2021351b6b813b34fac940957f1f4fad85b |
| Linux/Linuxgeneric | 7.0 | Not reported |
Published upstream
Jul 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)
Quoted source text, attributed separately from HOL analysis.