#VU99070 Improper error handling in Linux kernel - CVE-2024-49966

Vulnerability identifier: #VU99070

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-2024-49966

CWE-ID: CWE-388

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 improper error handling within the ocfs2_local_read_info() function in fs/ocfs2/quota_local.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/14114d8148db07e7946fb06b56a50cfa425e26c7
https://git.kernel.org/stable/c/4173d1277c00baeedaaca76783e98b8fd0e3c08d
https://git.kernel.org/stable/c/bbf41277df8b33fbedf4750a9300c147e8f104eb
https://git.kernel.org/stable/c/ef768020366f47d23f39c4f57bcb03af6d1e24b3
https://git.kernel.org/stable/c/a4346c04d055bf7e184c18a73dbd23b6a9811118
https://git.kernel.org/stable/c/0d707a33c84b371cb66120e198eed3374726ddd8
https://git.kernel.org/stable/c/35fccce29feb3706f649726d410122dd81b92c18

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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.