CVE-2026-90288

kernel: phy: renesas: rcar-gen2: Fix double of_node_put on phy creation failure

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 14, 2026

Description

A flaw was found in the Renesas R-Car Gen2 PHY driver within the Linux kernel. This vulnerability occurs due to a double call to of_node_put() during the PHY creation failure path. A local attacker could potentially exploit this double free condition, leading to memory corruption and a denial of service.

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