tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg (CVE-2026-80607) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-80607

tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg

Answer in brief

CVE-2026-80607 records a Unknown severity vulnerability in tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg. 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 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: 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	>=b576e09701c7d045bbe5cd85d53e2f34426aa214 <f148f86c65b8f9ef2466ad8506e721749e4957fb \|\| >=b576e09701c7d045bbe5cd85d53e2f34426aa214 <8a662d8c05e2cf16f7a047c81bc1eb5d3b29bacd \|\| >=b576e09701c7d045bbe5cd85d53e2f34426aa214 <251a8fe1b9aedccd298b77bc28426d564c5a923f	f148f86c65b8f9ef2466ad8506e721749e4957fb, 8a662d8c05e2cf16f7a047c81bc1eb5d3b29bacd, 251a8fe1b9aedccd298b77bc28426d564c5a923f
Linux/Linuxgeneric	6.5	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to f148f86c65b8f9ef2466ad8506e721749e4957fb 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: tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg Sashiko found that user can cause this WARN_ON_ONCE() easily with adding a kprobe event based on a raw address with BTF parameter. Since this is not an unexpected condition, remove the WARN_ON_ONCE().

Quoted source text, attributed separately from HOL analysis.