Vulnerability identifier: #VU99220

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-2024-49974

CWE-ID: CWE-20

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 input validation within the nfs4_state_create_net() function in fs/nfsd/nfs4state.c, within the nfs4_put_copy() and nfsd4_copy() functions in fs/nfsd/nfs4proc.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
http://git.kernel.org/stable/c/b4e21431a0db4854b5023cd5af001be557e6c3db
http://git.kernel.org/stable/c/6a488ad7745b8f64625c6d3a24ce7e448e83f11b
http://git.kernel.org/stable/c/aadc3bbea163b6caaaebfdd2b6c4667fbc726752

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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.