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Back to active CVEs
High · CVSS 7.8CVE-2025-21882

net/mlx5: Fix vport QoS cleanup on errorCVE-2025-21882

Answer in brief

CVE-2025-21882 records a High severity (CVSS 7.8) vulnerability in net/mlx5: Fix vport QoS cleanup on error. 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 Mar 27, 2025Updated Aug 5, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Aug 5, 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
PackageAffected rangeFixed version
Linux/Linuxgeneric>=be034baba83e2a80a0b2c0f24c08547b6eedc79a <fead368502bce0e10bea7c0d2895b2fa0c6c10aa || >=be034baba83e2a80a0b2c0f24c08547b6eedc79a <7f3528f7d2f98b70e19a6bb7b130fc82c079ac54fead368502bce0e10bea7c0d2895b2fa0c6c10aa, 7f3528f7d2f98b70e19a6bb7b130fc82c079ac54
Linux/Linuxgeneric6.13Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to fead368502bce0e10bea7c0d2895b2fa0c6c10aa if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Mar 27, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix vport QoS cleanup on error When enabling vport QoS fails, the scheduling node was never freed, causing a leak. Add the missing free and reset the vport scheduling node pointer to NULL.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 4, 2026
References
2 linked sources
Open source record