afs: Fix incorrect free in candidate cleanup in afs_lookup_server() (CVE-2026-97584) | HOL Guard CVE

High · CVSS 7.8CVE-2026-97584

afs: Fix incorrect free in candidate cleanup in afs_lookup_server()

Answer in brief

CVE-2026-97584 records a High severity (CVSS 7.8) vulnerability in afs: Fix incorrect free in candidate cleanup in afs_lookup_server(). 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	>=d6aa05cd995830f6dcee7b139335edb266de38a6 <981d72663dee2fa6efaf202293e68d2b10a0d1d4 \|\| >=4882ba78574e2d8c579658f65f6784b0d139d173 <e5bc0fa9959dc8f7eb1afab7c039594a16a1a65c \|\| >=4882ba78574e2d8c579658f65f6784b0d139d173 <349e713039a1fd6659c27e7a66238bfa49ce37e9 \|\| >=4882ba78574e2d8c579658f65f6784b0d139d173 <044d596094af4b769fb8e1173dff0d08bd68db6c \|\| >=6.12.101 <6.12.111	981d72663dee2fa6efaf202293e68d2b10a0d1d4, e5bc0fa9959dc8f7eb1afab7c039594a16a1a65c, 349e713039a1fd6659c27e7a66238bfa49ce37e9, 044d596094af4b769fb8e1173dff0d08bd68db6c, 6.12.111
Linux/Linuxgeneric	6.15	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 981d72663dee2fa6efaf202293e68d2b10a0d1d4 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: afs: Fix incorrect free in candidate cleanup in afs_lookup_server() Fix afs_lookup_server() to not free an existing server's endpoint state when cleaning up a candidate server. The candidate record doesn't have an endpoint state yet at this point, so the free for that can just be removed.

Quoted source text, attributed separately from HOL analysis.