#VU98997 Improper locking in Linux kernel - CVE-2024-50044
Vulnerability identifier: #VU98997
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-2024-50044
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 rfcomm_sock_ioctl() function in net/bluetooth/rfcomm/sock.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/ef44274dae9b0a90d1a97ce8b242a3b8243a7745
https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe
https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303
https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534
https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268
https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe
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.
