#VU93237 Buffer overflow in Linux kernel - CVE-2024-38636

Vulnerability identifier: #VU93237

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-2024-38636

CWE-ID: CWE-119

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 memory corruption within the f2fs_iomap_begin() function in fs/f2fs/data.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/1a9225fdd0ec95fcf32936bcea9ceef0cf1512dc
https://git.kernel.org/stable/c/2b2611a42462c6c685d40b5f3aedcd8d21c27065
https://git.kernel.org/stable/c/e8b485e39b4d17afa9a2821fc778d5a67abfc03a
https://git.kernel.org/stable/c/33e62cd7b4c281cd737c62e5d8c4f0e602a8c5c5

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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.