Use-after-free in Linux kernel - CVE-2026-93195

Vulnerability identifier: #VU150807

CSH Severity: Low

CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-93195

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to cause resource leaks or use-after-free conditions.

The vulnerability exists due to improper resource cleanup in the DisplayPort AUX channel lifecycle when handling cleanup after dw_dp_bind(). A local user can trigger the affected cleanup path without unregistering the AUX adapter to cause resource leaks or use-after-free conditions.

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/48aaa495e24ce5aec3dc56706473b0bd4305a306
• https://git.kernel.org/stable/c/b2bec2d4a769d5b7b8202123404c7cd1aec17861
• https://git.kernel.org/stable/c/ed04e8e2307f35b3d8d49a554faf5e72d3d224e6

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