#VU102056 Use-after-free in Linux kernel - CVE-2024-53177
Published: December 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU102056
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-2024-53177
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 SMB2_query_info_free(), invalidate_all_cached_dirs(), smb2_cached_lease_break(), cached_dir_lease_break() and cfids_laundromat_worker() functions in fs/smb/client/cached_dir.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/47655a12c6b1bca8fa230085eab2e85a076932b7
- https://git.kernel.org/stable/c/791f833053578b9fd24252ebb7162a61bc3f805b
- https://git.kernel.org/stable/c/97e2afcac0bebfef6a5360f4267ce4c44507b845
- https://git.kernel.org/stable/c/a9685b409a03b73d2980bbfa53eb47555802d0a9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64