#VU90863 Use of uninitialized resource in Linux kernel - CVE-2024-36927

Vulnerability identifier: #VU90863

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-2024-36927

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 raw_sendmsg() function in net/ipv4/raw.c, within the __ip_make_skb() function in net/ipv4/ip_output.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/5db08343ddb1b239320612036c398e4e1bb52818
https://git.kernel.org/stable/c/f5c603ad4e6fcf42f84053e882ebe20184bb309e
https://git.kernel.org/stable/c/fc1092f51567277509563800a3c56732070b6aa4

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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.