#VU102965 Integer underflow in Linux kernel - CVE-2024-53690

Vulnerability identifier: #VU102965

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-53690

CWE-ID: CWE-191

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 execute arbitrary code.

The vulnerability exists due to integer underflow within the nilfs_lookup() function in fs/nilfs2/namei.c, within the nilfs_iget() function in fs/nilfs2/inode.c. A local user can execute arbitrary code.

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/284760b320a0bac411b18108316939707dccb12b
https://git.kernel.org/stable/c/55e4baa0d32f0530ddc64c26620e1f2f8fa2724c
https://git.kernel.org/stable/c/5d4ed71327b0b5f3b179a19dc3c06be9509ab3db
https://git.kernel.org/stable/c/901ce9705fbb9f330ff1f19600e5daf9770b0175
https://git.kernel.org/stable/c/912188316a8c9e41b8c1603c2276a05043b14f96
https://git.kernel.org/stable/c/ef942d233643777f7b2a5deef620e82942983143
https://git.kernel.org/stable/c/ff561987ff12b6a3233431ff659b5d332e22f153

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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.