Use-after-free in Linux kernel - CVE-2026-93194

Vulnerability identifier: #VU150805

CSH Severity: Low

CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-93194

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to cause a use-after-free condition.

The vulnerability exists due to improper resource cleanup in the Rockchip DW DP component when handling component bind failures or unbinding. A local user can trigger binding and unbinding of the Rockchip DisplayPort component to cause a use-after-free condition.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-oracle (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)

Install security update from vendor's repository.

linux (Ubuntu package) - update to 7.0.0-42.42
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17

• https://git.kernel.org/stable/c/11f07929f454ecc2c5d0da3a4727fd205be43e49
• https://git.kernel.org/stable/c/362e005b816ee8052a195b98d845966689b398a1
• https://git.kernel.org/stable/c/cc6d7aca2f37a1525a94ef97eb3ce361732c876c

• Use-after-free in Linux kernel drm rockchip driver
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more