#VU93824 Improper locking in Linux kernel - CVE-2024-39476


Vulnerability identifier: #VU93824

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-2024-39476

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 raid5d() function in drivers/md/raid5.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


External links
https://git.kernel.org/stable/c/b32aa95843cac6b12c2c014d40fca18aef24a347
https://git.kernel.org/stable/c/634ba3c97ec413cb10681c7b196db43ee461ecf4
https://git.kernel.org/stable/c/aa64464c8f4d2ab92f6d0b959a1e0767b829d787
https://git.kernel.org/stable/c/098d54934814dd876963abfe751c3b1cf7fbe56a
https://git.kernel.org/stable/c/3f8d5e802d4cedd445f9a89be8c3fd2d0e99024b
https://git.kernel.org/stable/c/cd2538e5af495b3c747e503db346470fc1ffc447
https://git.kernel.org/stable/c/e332a12f65d8fed8cf63bedb4e9317bb872b9ac7
https://git.kernel.org/stable/c/151f66bb618d1fd0eeb84acb61b4a9fa5d8bb0fa


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.


Latest bulletins with this vulnerability