#VU90975 Use of uninitialized resource in Linux kernel - CVE-2024-36889

Vulnerability identifier: #VU90975

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-2024-36889

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 mptcp_stream_connect() function in net/mptcp/protocol.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/99951b62bf20cec9247f633a3bea898338b9e5b4
https://git.kernel.org/stable/c/dc941fec0719d0471a5902424d6b2a17df233193
https://git.kernel.org/stable/c/39ca83ed73db9edcc6d70c0dc7a73085a4725012
https://git.kernel.org/stable/c/aa0c07c1f20e05b30019bff083ec43665536f06f
https://git.kernel.org/stable/c/592f69b41766d366dbb8ff4ef5a67c4396527bbe
https://git.kernel.org/stable/c/fb7a0d334894206ae35f023a82cad5a290fd7386

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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.