#VU99033 Improper locking in Linux kernel - CVE-2024-47710

Vulnerability identifier: #VU99033

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-2024-47710

CWE-ID: CWE-667

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 improper locking within the sock_hash_free() function in net/core/sock_map.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
http://git.kernel.org/stable/c/1a11a1a53255ddab8a903cdae01b9d3eb2c1a47b
http://git.kernel.org/stable/c/984648aac87a6a1c8fd61663bec3f7b61eafad5e
http://git.kernel.org/stable/c/04f62c012e0e4683e572b30baf6004ca0a3f6772
http://git.kernel.org/stable/c/80bd490ac0a3b662a489e17d8eedeb1e905a3d40
http://git.kernel.org/stable/c/ae8c1b3e7353ad240b829eabac7ba2584b2c6bdc
http://git.kernel.org/stable/c/cd10abf41bae55c9d2b93f34a516dbf52626bcb7
http://git.kernel.org/stable/c/b1339be951ad31947ae19bc25cb08769bf255100

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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.