Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-23013

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().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.3%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-23013


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