CVE-2026-90288
kernel: phy: renesas: rcar-gen2: Fix double of_node_put on phy creation failure
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS: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