#VU93759 Incorrect calculation in Linux kernel - CVE-2024-27054

Vulnerability identifier: #VU93759

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-2024-27054

CWE-ID: CWE-682

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 incorrect calculation within the dasd_generic_set_online() function in drivers/s390/block/dasd.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
https://git.kernel.org/stable/c/edbdb0d94143db46edd373cc93e433832d29fe19
https://git.kernel.org/stable/c/ad999aa18103fa038787b6a8a55020abcf34df1a
https://git.kernel.org/stable/c/ec09bcab32fc4765e0cc97e1b72cdd067135f37e
https://git.kernel.org/stable/c/fa18aa507ea71d8914b6acb2c94db311c757c650
https://git.kernel.org/stable/c/ebc5a3bd79e54f98c885c26f0862a27a02c487c5
https://git.kernel.org/stable/c/c3116e62ddeff79cae342147753ce596f01fcf06

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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.