SB2026020271 - Double free in Linux kernel phy rockchip driver



SB2026020271 - Double free in Linux kernel phy rockchip driver

Published: February 2, 2026

Security Bulletin ID SB2026020271
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Double free (CVE-ID: CVE-2026-23030)

CWE-ID: CWE-415 - Double Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a double free error within the rockchip_usb2phy_probe() function in drivers/phy/rockchip/phy-rockchip-inno-usb2.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.