Double free in Linux kernel - CVE-2025-40096
Published: October 31, 2025
Vulnerability identifier: #VU117860
CSH Severity: Low
CVSSv4.0: 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
CVE-ID: CVE-2025-40096
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 drm_sched_job_add_implicit_dependencies() function in drivers/gpu/drm/scheduler/sched_main.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/4c38a63ae12ecc9370a7678077bde2d61aa80e9c
- https://git.kernel.org/stable/c/57239762aa90ad768dac055021f27705dae73344
- https://git.kernel.org/stable/c/5801e65206b065b0b2af032f7f1eef222aa2fd83
- https://git.kernel.org/stable/c/e5e3eb2aff92994ee81ce633f1c4e73bd4b87e11
- https://git.kernel.org/stable/c/fdfb47e85af1e11ec822c82739dde2dd8dff5115