Vulnerability identifier: #VU90764

Vulnerability risk: Low

CVSSv3.1: 4.8 [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-2024-27031

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 nfs_netfs_issue_read() function in fs/nfs/fscache.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/ad27382f8495f8ef6d2c66c413d756bfd13c0598
http://git.kernel.org/stable/c/8df1678c021ffeb20ef8a203bd9413f3ed9b0e9a
http://git.kernel.org/stable/c/8a2e5977cecd3cde6a0e3e86b7b914d00240e5dc
http://git.kernel.org/stable/c/fd5860ab6341506004219b080aea40213b299d2e

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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.