Use-after-free in Linux kernel - CVE-2023-4394
Published: November 3, 2023
Vulnerability identifier: #VU82715
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-4394
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 privileged user to gain access to sensitive information or perform a denial of service attack.
The vulnerability exists due to a use-after-free error within the btrfs_get_dev_args_from_path in fs/btrfs/volumes.c in btrfs file-system. A local privileged user can trigger a use-after-free error and gain access to sensitive information or perform a denial of service attack.
Remediation
Update to version 6.0.