#VU97777 Memory leak in Linux kernel - CVE-2024-46855

Vulnerability identifier: #VU97777

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-2024-46855

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 nft_socket_eval() function in net/netfilter/nft_socket.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

---

External links
https://git.kernel.org/stable/c/33c2258bf8cb17fba9e58b111d4c4f4cf43a4896
https://git.kernel.org/stable/c/83e6fb59040e8964888afcaa5612cc1243736715
https://git.kernel.org/stable/c/1f68e097e20d3c695281a9c6433acc37be47fe11
https://git.kernel.org/stable/c/8b26ff7af8c32cb4148b3e147c52f9e4c695209c

---

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.