#VU99082 Use of uninitialized resource in Linux kernel - CVE-2024-50033

Vulnerability identifier: #VU99082

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-2024-50033

CWE-ID: CWE-908

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 use of uninitialized resource within the slhc_remember() function in drivers/net/slip/slhc.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/36b054324d18e51cf466134e13b6fbe3c91f52af
https://git.kernel.org/stable/c/5e336384cc9b608e0551f99c3d87316ca3b0e51a
https://git.kernel.org/stable/c/ff5e0f895315706e4ca5a19df15be6866cee4f5d
https://git.kernel.org/stable/c/8bb79eb1db85a10865f0d4dd15b013def3f2d246
https://git.kernel.org/stable/c/29e8d96d44f51cf89a62dd042be35d052833b95c
https://git.kernel.org/stable/c/7d3fce8cbe3a70a1c7c06c9b53696be5d5d8dd5c

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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.