#VU102157 Improper locking in Linux kernel - CVE-2024-56694
Vulnerability identifier: #VU102157
Vulnerability risk: Low
CVSSv4.0: 4.3 [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-2024-56694
CWE-ID:
CWE-667
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: 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 sk_psock_strp_data_ready() function in net/core/skmsg.c. A local user can perform a denial of service (DoS) attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
External links
https://git.kernel.org/stable/c/01f1b88acfd79103da0610b45471f6c88ea98d72
https://git.kernel.org/stable/c/386efa339e08563dd33e83bc951aea5d407fe578
https://git.kernel.org/stable/c/6694f7acd625ed854bf6342926e771d65dad7f69
https://git.kernel.org/stable/c/8ca2a1eeadf09862190b2810697702d803ceef2d
https://git.kernel.org/stable/c/da2bc8a0c8f3ac66fdf980fc59936f851a083561
https://git.kernel.org/stable/c/f84c5ef6ca23cc2f72f3b830d74f67944684bb05
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
