Use of uninitialized resource in Linux kernel ext4



| Updated: 2025-05-12
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-43828
CWE-ID CWE-908
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use of uninitialized resource

EUVDB-ID: #VU96169

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 - Use of Uninitialized Resource

Exploit availability: No

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: 5.10 - 6.10.2

CPE2.3 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
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.224
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.165
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44


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.



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