#VU96123 NULL pointer dereference in Linux kernel - CVE-2024-43833

Vulnerability identifier: #VU96123

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-2024-43833

CWE-ID: CWE-476

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 NULL pointer dereference within the v4l2_async_create_ancillary_links() function in drivers/media/v4l2-core/v4l2-async.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

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External links
https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982
https://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621
https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb
https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f

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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.