#VU78062 Use-after-free in Linux kernel - CVE-2023-35824
Published: July 11, 2023
Vulnerability identifier: #VU78062
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-35824
CWE-ID: CWE-416
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 escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the dm1105_remove() function in drivers/media/pci/dm1105/dm1105.c. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.
External links
- https://lore.kernel.org/all/49bb0b6a-e669-d4e7-d742-a19d2763e947@xs4all.nl/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5abda7a16698d4d1f47af1168d8fa2c640116b4a
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2
- https://lore.kernel.org/lkml/20230318081506.795147-1-zyytlz.wz@163.com/