#VU96597 Out-of-bounds read in Linux kernel - CVE-2023-45896

Vulnerability identifier: #VU96597

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-2023-45896

CWE-ID: CWE-125

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 an out-of-bounds read error within the mi_enum_attr() function in fs/ntfs3/record.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://dfir.ru/2024/06/19/vulnerabilities-in-7-zip-and-ntfs3/
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.11
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=013ff63b649475f0ee134e2c8d0c8e65284ede50
https://github.com/torvalds/linux/commit/013ff63b649475f0ee134e2c8d0c8e65284ede50

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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.