Memory leak in Linux kernel core en driver

1) Memory leak

EUVDB-ID: #VU96289

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-43864

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the mlx5_tc_ct_entry_destroy_mod_hdr() function in drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.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

CPE2.3

External links

http://git.kernel.org/stable/c/daab2cc17b6b6ab158566bba037e9551fd432b59
http://git.kernel.org/stable/c/89064d09c56b44c668509bf793c410484f63f5ad
http://git.kernel.org/stable/c/025f2b85a5e5a46df14ecf162c3c80a957a36d0b

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.