Vulnerability identifier: #VU90448

Vulnerability risk: Low

CVSSv3.1: 4.8 [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-2023-52844

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 vidtv_psi_service_desc_init() and kstrdup() functions in drivers/media/test-drivers/vidtv/vidtv_psi.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/3387490c89b10aeb4e71d78b65dbc9ba4b2385b9
http://git.kernel.org/stable/c/d17269fb9161995303985ab2fe6f16cfb72152f9
http://git.kernel.org/stable/c/5c26aae3723965c291c65dd2ecad6a3240d422b0
http://git.kernel.org/stable/c/5cfcc8de7d733a1137b86954cc28ce99972311ad
http://git.kernel.org/stable/c/a51335704a3f90eaf23a6864faefca34b382490a
http://git.kernel.org/stable/c/76a2c5df6ca8bd8ada45e953b8c72b746f42918d

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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.