#VU94231 Use-after-free in Linux kernel - CVE-2024-39496
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94231
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-2024-39496
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 btrfs_load_zone_info() function in fs/btrfs/zoned.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/17765964703b88d8befd899f8501150bb7e07e43
- https://git.kernel.org/stable/c/092571ef9a812566c8f2c9038d9c2a64c49788d6
- https://git.kernel.org/stable/c/a0cc006f4214b87e70983c692e05bb36c59b5752
- https://git.kernel.org/stable/c/0090d6e1b210551e63cf43958dc7a1ec942cdde9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35