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CVE-2026-64222

kernel: octeontx2-pf: avoid double free of pool->stack on AQ init failure

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · July 24, 2026

Updated · July 29, 2026

Description

A flaw was found in the Linux kernel's octeontx2-pf driver. This vulnerability involves a double free of memory during the initialization of the Accelerated Queue (AQ) when an error occurs. Specifically, the pool->stack memory is freed twice, which can lead to memory corruption. A local attacker could potentially exploit this to cause system instability or a denial of service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-1341 · Multiple Releases of Same Resource or Handle