#VU97817 Use of uninitialized resource in Linux kernel - CVE-2024-46865

Vulnerability identifier: #VU97817

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-2024-46865

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 gue_gro_receive() function in net/ipv4/fou.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/5d537b8d900514509622ce92330b70d2e581d409
https://git.kernel.org/stable/c/7ae890ee19479eeeb87724cca8430b5cb3660c74
https://git.kernel.org/stable/c/aca06c617c83295f0caa486ad608fbef7bdc11e8
https://git.kernel.org/stable/c/4c8002277167125078e6b9b90137bdf443ebaa08

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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.