Input validation error in Linux kernel f2fs

1) Input validation error

EUVDB-ID: #VU99230

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-2024-49859

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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 f2fs_defragment_range(), f2fs_move_file_range() and f2fs_ioc_set_pin_file() functions in fs/f2fs/file.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.11.1

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1:rc7:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.1.6:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/26b07bd2e1f124b0e430c8d250023f7205c549c3
https://git.kernel.org/stable/c/7cb51731f24b216b0b87942f519f2c67a17107ee
https://git.kernel.org/stable/c/10569b682ebe9c75ef06ddd322ae844e9be6374b
https://git.kernel.org/stable/c/d6f08c88047accc6127dddb6798a3ff11321539d
https://git.kernel.org/stable/c/bfe5c02654261bfb8bd9cb174a67f3279ea99e58
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54

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.