Vulnerability identifier: #VU94447

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-48836

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 aiptek_probe() function in drivers/input/tablet/aiptek.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

---

External links
http://git.kernel.org/stable/c/57277a8b5d881e02051ba9d7f6cb3f915c229821
http://git.kernel.org/stable/c/fc8033a55e2796d21e370260a784ac9fbb8305a6
http://git.kernel.org/stable/c/6de20111cd0bb7da9b2294073ba00c7d2a6c1c4f
http://git.kernel.org/stable/c/e732b0412f8c603d1e998f3bff41b5e7d5c3914c
http://git.kernel.org/stable/c/f0d43d22d24182b94d7eb78a2bf6ae7e2b33204a
http://git.kernel.org/stable/c/e762f57ff255af28236cd02ca9fc5c7e5a089d31
http://git.kernel.org/stable/c/35069e654bcab567ff8b9f0e68e1caf82c15dcd7
http://git.kernel.org/stable/c/5600f6986628dde8881734090588474f54a540a8

---

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.