#VU103134 Infinite loop in Linux kernel - CVE-2024-57940

Vulnerability identifier: #VU103134

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-2024-57940

CWE-ID: CWE-835

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 infinite loop within the exfat_readdir() function in fs/exfat/dir.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/31beabd0f47f8c3ed9965ba861c9e5b252d4920a
https://git.kernel.org/stable/c/d9ea94f5cd117d56e573696d0045ab3044185a15
https://git.kernel.org/stable/c/dc1d7afceb982e8f666e70a582e6b5aa806de063
https://git.kernel.org/stable/c/fee873761bd978d077d8c55334b4966ac4cb7b59

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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.