Improper error handling in Linux kernel bluetooth driver

1) Improper error handling

EUVDB-ID: #VU96868

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-2024-44962

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper error handling within the ps_cancel_timer() function in drivers/bluetooth/btnxpuart.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/4d9adcb94d55e9be8a3e464d9f2ff7d27e2ed016
https://git.kernel.org/stable/c/28bbb5011a9723700006da67bdb57ab6a914452b
https://git.kernel.org/stable/c/0d0df1e750bac0fdaa77940e711c1625cff08d33

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.