Improper locking in Linux kernel block



Published: 2024-08-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-42294
CWE-ID CWE-667
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper locking

EUVDB-ID: #VU96151

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-2024-42294

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 del_gendisk() function in block/genhd.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
External links

http://git.kernel.org/stable/c/5a5625a83eac91fdff1d5f0202ecfc45a31983c9
http://git.kernel.org/stable/c/f5418f48a93b69ed9e6a2281eee06b412f14a544
http://git.kernel.org/stable/c/7e04da2dc7013af50ed3a2beb698d5168d1e594b


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.



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