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  4. CVE 2026 23013 net octeonepvf fix freeirq devid mismatch in irq
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Back to active CVEs
High · CVSS 7.0CVE-2026-23013

net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollbackCVE-2026-23013

Answer in brief

CVE-2026-23013 records a High severity (CVSS 7.0) vulnerability in net: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback. 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 Jan 25, 2026Updated Oct 16, 2026Source checked Oct 16, 2026First seen by HOL Oct 16, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.0
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.0. 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>=1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 <aa05a8371ae4a452df623f7202c72409d3c50e40 || >=1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 <aa4c066229b05fc3d3c5f42693d25b1828533b6e || >=1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 <f93fc5d12d69012788f82151bee55fce937e1432aa05a8371ae4a452df623f7202c72409d3c50e40, aa4c066229b05fc3d3c5f42693d25b1828533b6e, f93fc5d12d69012788f82151bee55fce937e1432
Linux/Linuxgeneric6.9Not 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 aa05a8371ae4a452df623f7202c72409d3c50e40 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 25, 2026

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

  2. Source modified

    Oct 16, 2026

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

  3. First seen by HOL

    Oct 16, 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: octeon_ep_vf: fix free_irq dev_id mismatch in IRQ rollback octep_vf_request_irqs() requests MSI-X queue IRQs with dev_id set to ioq_vector. If request_irq() fails part-way, the rollback loop calls free_irq() with dev_id set to 'oct', which does not match the original dev_id and may leave the irqaction registered. This can keep IRQ handlers alive while ioq_vector is later freed during unwind/teardown, leading to a use-after-free or crash when an interrupt fires. Fix the error path to free IRQs with the same ioq_vector dev_id used during request_irq().

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 16, 2026
References
3 linked sources
Open source record