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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-31645

net: lan966x: fix page pool leak in error pathsCVE-2026-31645

Answer in brief

CVE-2026-31645 records a Unknown severity vulnerability in net: lan966x: fix page pool leak in error paths. 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 Apr 24, 2026Updated Oct 21, 2026Source checked Oct 21, 2026First seen by HOL Oct 21, 2026Material review Oct 21, 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
PackageAffected rangeFixed version
Linux/Linuxgeneric>=11871aba19748b3387e83a2db6360aa7119e9a1a <a229a4dc87302fa131f3394b09b0efd8c255a5ac || >=11871aba19748b3387e83a2db6360aa7119e9a1a <73e940c4249dc5ec6422d1fae535d192fb125955 || >=11871aba19748b3387e83a2db6360aa7119e9a1a <22e1ee9f22b5c3bb702bb6d4167d770002a85b2b || >=11871aba19748b3387e83a2db6360aa7119e9a1a <4941e234cfd67ac911fb259642b453f9f76aac41 || >=11871aba19748b3387e83a2db6360aa7119e9a1a <076344a6ad9d1308faaed1402fdcfdda68b604aba229a4dc87302fa131f3394b09b0efd8c255a5ac, 73e940c4249dc5ec6422d1fae535d192fb125955, 22e1ee9f22b5c3bb702bb6d4167d770002a85b2b, 4941e234cfd67ac911fb259642b453f9f76aac41, 076344a6ad9d1308faaed1402fdcfdda68b604ab
Linux/Linuxgeneric6.2Not 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 a229a4dc87302fa131f3394b09b0efd8c255a5ac if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Apr 24, 2026

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

  2. Source modified

    Oct 21, 2026

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

  3. First seen by HOL

    Oct 21, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • 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: lan966x: fix page pool leak in error paths lan966x_fdma_rx_alloc() creates a page pool but does not destroy it if the subsequent fdma_alloc_coherent() call fails, leaking the pool. Similarly, lan966x_fdma_init() frees the coherent DMA memory when lan966x_fdma_tx_alloc() fails but does not destroy the page pool that was successfully created by lan966x_fdma_rx_alloc(), leaking it. Add the missing page_pool_destroy() calls in both error paths.

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
Oct 21, 2026
References
5 linked sources
Open source record