#VU96169 Use of uninitialized resource in Linux kernel - CVE-2024-43828

Vulnerability identifier: #VU96169

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-2024-43828

CWE-ID: CWE-908

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 use of uninitialized resource within the ext4_es_find_extent_range() function in fs/ext4/extents_status.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

---

External links
https://git.kernel.org/stable/c/181e63cd595c688194e07332f9944b3a63193de2
https://git.kernel.org/stable/c/c6e67df64783e99a657ef2b8c834ba2bf54c539c
https://git.kernel.org/stable/c/81f819c537d29932e4b9267f02411cbc8b355178
https://git.kernel.org/stable/c/907c3fe532253a6ef4eb9c4d67efb71fab58c706

---

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.