optee: ffa: Add NULL check in optee_ffa_lend_protmem (CVE-2026-80524) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-80524

optee: ffa: Add NULL check in optee_ffa_lend_protmem

Answer in brief

CVE-2026-80524 records a Unknown severity vulnerability in optee: ffa: Add NULL check in optee_ffa_lend_protmem. 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 Aug 26, 2026Updated Aug 26, 2026Source checked Aug 26, 2026First seen by HOL Aug 26, 2026Material review Aug 26, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf <94bf4fe0e46349c4e73df66dcda073187bc90cc1 \|\| >=2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf <650c88738ae8976f46ba71b24dd8aa311adc6fde	94bf4fe0e46349c4e73df66dcda073187bc90cc1, 650c88738ae8976f46ba71b24dd8aa311adc6fde
Linux/Linuxgeneric	6.18	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 94bf4fe0e46349c4e73df66dcda073187bc90cc1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 26, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.

Quoted source text, attributed separately from HOL analysis.