Improper locking in Linux kernel netlink

1) Improper locking

EUVDB-ID: #VU102177

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-2024-53212

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the netlink_ack_tlv_len(), netlink_ack_tlv_fill(), netlink_dump_done() and netlink_ack() functions in net/netlink/af_netlink.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

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/28af028a71371df5fcbf807fd4444bba8d0c33cc
https://git.kernel.org/stable/c/3bf39fa849ab8ed52abb6715922e6102d3df9f97
https://git.kernel.org/stable/c/6406d0ce0414b807af5d2a4b781c3f3ee52b8a4d

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.