Vulnerability identifier: #VU98382

Vulnerability 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-2024-47659

CWE-ID: CWE-20

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 input validation within the rcu_read_unlock() function in security/smack/smack_lsm.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/d3f56c653c65f170b172d3c23120bc64ada645d8
http://git.kernel.org/stable/c/5b4b304f196c070342e32a4752e1fa2e22fc0671
http://git.kernel.org/stable/c/a948ec993541db4ef392b555c37a1186f4d61670
http://git.kernel.org/stable/c/0aea09e82eafa50a373fc8a4b84c1d4734751e2c
http://git.kernel.org/stable/c/0776bcf9cb6de46fdd94d10118de1cf9b05f83b9
http://git.kernel.org/stable/c/4be9fd15c3c88775bdf6fa37acabe6de85beebff
http://git.kernel.org/stable/c/d3703fa94116fed91f64c7d1c7d284fb4369070f
http://git.kernel.org/stable/c/2fe209d0ad2e2729f7e22b9b31a86cc3ff0db550

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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.