Improper error handling in Linux kernel bluetooth driver

1) Improper error handling

EUVDB-ID: #VU104755

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-2022-49200

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 btmtksdio_probe() function in drivers/bluetooth/btmtksdio.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/4d3d1f2c35a19988d3c5f0ee86038b525e830840
https://git.kernel.org/stable/c/6d7be5afbb41c918d2f12f857f8c7efa50500be2
https://git.kernel.org/stable/c/70a6cf749d9ff9f463490248322e5343199bc267
https://git.kernel.org/stable/c/770a97d3f34b801de1b04737b43e02c55118c41a
https://git.kernel.org/stable/c/874eca93966a786eace87fa6dfb206c2dd9519b1
https://git.kernel.org/stable/c/b062a0b9c1dc1ff63094337dccfe1568d5b62023

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.