Use-after-free in Linux kernel - CVE-2024-35865
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90148
CSH Severity: 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-2024-35865
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 remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the smb2_is_valid_oplock_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/84488466b7a69570bdbf76dd9576847ab97d54e7
- https://git.kernel.org/stable/c/21fed37d2bdcde33453faf61d3d4d96c355f04bd
- https://git.kernel.org/stable/c/3dba0e5276f131e36d6d8043191d856f49238628
- https://git.kernel.org/stable/c/22863485a4626ec6ecf297f4cc0aef709bc862e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5