block: handle nogenerate/noverify properly in fs-integrity (CVE-2026-93257) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-93257

block: handle nogenerate/noverify properly in fs-integrity

Answer in brief

CVE-2026-93257 records a Unknown severity vulnerability in block: handle nogenerate/noverify properly in fs-integrity. 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 24, 2026Updated Sep 24, 2026Source checked Sep 25, 2026First seen by HOL Sep 25, 2026Material review Sep 24, 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	>=0bde8a12b5540572a7fd6d2867bee6de15e4f289 <b681c740e6d645f7d7477e9208db57917c6c0fbc \|\| >=0bde8a12b5540572a7fd6d2867bee6de15e4f289 <3bf9a21e7bccfd8c35b440efd114c61cc9838a41	b681c740e6d645f7d7477e9208db57917c6c0fbc, 3bf9a21e7bccfd8c35b440efd114c61cc9838a41
Linux/Linuxgeneric	7.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to b681c740e6d645f7d7477e9208db57917c6c0fbc if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 24, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 24, 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: block: handle nogenerate/noverify properly in fs-integrity Check the BIP_CHECK flags before generating or verifying PI information, otherwise this can be incorrectly called for non-PI metadata and cause generation of incorrect metadata and crashed in the verification handler. The new behavior matches that of the block layer auto-generated metadata.

Quoted source text, attributed separately from HOL analysis.