Vulnerability identifier: #VU96099

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-2024-43854

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 bio_integrity_prep() function in block/bio-integrity.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/d418313bd8f55c079a7da12651951b489a638ac1
http://git.kernel.org/stable/c/23a19655fb56f241e592041156dfb1c6d04da644
http://git.kernel.org/stable/c/ebc0e91ba76dc6544fff9f5b66408b1982806a00
http://git.kernel.org/stable/c/899ee2c3829c5ac14bfc7d3c4a5846c0b709b78f

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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.