#VU94085 Memory leak in Linux kernel - CVE-2024-39490

Vulnerability identifier: #VU94085

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-2024-39490

CWE-ID: CWE-401

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 memory leak within the seg6_input_core() function in net/ipv6/seg6_iptunnel.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/e8688218e38111ace457509d8f0cad75f79c1a7a
https://git.kernel.org/stable/c/8f1fc3b86eaea70be6abcae2e9aa7e7b99453864
https://git.kernel.org/stable/c/f4df8c7670a73752201cbde215254598efdf6ce8
https://git.kernel.org/stable/c/f5fec1588642e415a3d72e02140160661b303940
https://git.kernel.org/stable/c/5447f9708d9e4c17a647b16a9cb29e9e02820bd9

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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.