#VU100639 Division by zero in Linux kernel - CVE-2024-50287

Vulnerability identifier: #VU100639

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-2024-50287

CWE-ID: CWE-369

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 a division by zero error within the tpg_precalculate_line() function in drivers/media/common/v4l2-tpg/v4l2-tpg-core.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/e3c36d0bde309f690ed1f9cd5f7e63b3a513f94a
https://git.kernel.org/stable/c/0bfc6e38ee2250f0503d96f1a1de441c31d88715
https://git.kernel.org/stable/c/054931ca3cfcb8e8fa036e887d6f379942b02565
https://git.kernel.org/stable/c/a749c15dccc58d9cbad9cd23bd8ab4b5fa96cf47
https://git.kernel.org/stable/c/c63c30c9d9f2c8de34b16cd2b8400240533b914e
https://git.kernel.org/stable/c/2d0f01aa602fd15a805771bdf3f4d9a9b4df7f47
https://git.kernel.org/stable/c/0cdb42ba0b28f548c1a4e86bb8489dba0d78fc21
https://git.kernel.org/stable/c/e6a3ea83fbe15d4818d01804e904cbb0e64e543b

---

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.