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Back to active CVEs
High · CVSS 7.5CVE-2025-21788

net: ethernet: ti: am65-cpsw: fix memleak in certain XDP casesCVE-2025-21788

Answer in brief

CVE-2025-21788 records a High severity (CVSS 7.5) vulnerability in net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases. 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 Feb 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 7.5
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.5. 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>=8acacc40f7337527ff84cd901ed2ef0a2b95b2b6 <1bba1d042107167164a0ae3a843fdf650ab005d7 || >=8acacc40f7337527ff84cd901ed2ef0a2b95b2b6 <dc11f049612b9d926aca2e55f8dc9d82850d0da3 || >=8acacc40f7337527ff84cd901ed2ef0a2b95b2b6 <5db843258de1e4e6b1ef1cbd1797923c9e3de5481bba1d042107167164a0ae3a843fdf650ab005d7, dc11f049612b9d926aca2e55f8dc9d82850d0da3, 5db843258de1e4e6b1ef1cbd1797923c9e3de548
Linux/Linuxgeneric6.10Not 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 1bba1d042107167164a0ae3a843fdf650ab005d7 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Feb 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
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases If the XDP program doesn't result in XDP_PASS then we leak the memory allocated by am65_cpsw_build_skb(). It is pointless to allocate SKB memory before running the XDP program as we would be wasting CPU cycles for cases other than XDP_PASS. Move the SKB allocation after evaluating the XDP program result. This fixes the memleak. A performance boost is seen for XDP_DROP test. XDP_DROP test: Before: 460256 rx/s 0 err/s After: 784130 rx/s 0 err/s

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-401
Source
CVE List V5
Source checked
Nov 4, 2026
References
3 linked sources
Open source record