#VU94241 NULL pointer dereference in Linux kernel - CVE-2024-40973

Vulnerability identifier: #VU94241

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-2024-40973

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 mtk_vcodec_fw_scp_init() function in drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_scp.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/f066882293b5ad359e44c4ed24ab1811ffb0b354
https://git.kernel.org/stable/c/3a693c7e243b932faee5c1fb728efa73f0abc39b
https://git.kernel.org/stable/c/53dbe08504442dc7ba4865c09b3bbf5fe849681b

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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.