#VU98995 Improper locking in Linux kernel - CVE-2024-50047
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98995
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-50047
CWE-ID: CWE-667
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 perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the SMB2_negotiate() function in fs/smb/client/smb2pdu.c, within the smb2_get_enc_key(), crypt_message(), smb3_init_transform_rq() and decrypt_raw_data() functions in fs/smb/client/smb2ops.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/0809fb86ad13b29e1d6d491364fc7ea4fb545995
- https://git.kernel.org/stable/c/538c26d9bf70c90edc460d18c81008a4e555925a
- https://git.kernel.org/stable/c/b0abcd65ec545701b8793e12bc27dc98042b151a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.237
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.181
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.57