media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity (CVE-2026-97579) | HOL Guard CVE

High · CVSS 7.8CVE-2026-97579

media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity

Answer in brief

CVE-2026-97579 records a High severity (CVSS 7.8) vulnerability in media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity. 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.

Published Sep 25, 2026Updated Sep 25, 2026Source checked Sep 25, 2026First seen by HOL Sep 25, 2026Material review Sep 25, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.8
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.8. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=0934d37596151edce115c6d0843a9ad7d5e5d232 <ad47a250afafa3a51cfb4a004463ff28e66c596e \|\| >=0934d37596151edce115c6d0843a9ad7d5e5d232 <7992059c045780095ba5a696dcb2f5400a82803c \|\| >=0934d37596151edce115c6d0843a9ad7d5e5d232 <eb0ea3898e3921900939e30c3946dd2b52281859 \|\| >=0934d37596151edce115c6d0843a9ad7d5e5d232 <37bef2170d4c88fc3d708eecf3ef0f4032bc1372	ad47a250afafa3a51cfb4a004463ff28e66c596e, 7992059c045780095ba5a696dcb2f5400a82803c, eb0ea3898e3921900939e30c3946dd2b52281859, 37bef2170d4c88fc3d708eecf3ef0f4032bc1372
Linux/Linuxgeneric	6.6	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to ad47a250afafa3a51cfb4a004463ff28e66c596e if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 25, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity vdec_av1_slice_setup_tile() copies tile_cols + 1 / tile_rows + 1 entries into mi_col_starts[] / mi_row_starts[] from the bitstream tile_info. Bound the copy to the array capacity.

Quoted source text, attributed separately from HOL analysis.