#VU112291 Out-of-bounds read in Linux kernel - CVE-2025-38204

Vulnerability identifier: #VU112291

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-2025-38204

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 dtInitRoot() and add_missing_indices() functions in fs/jfs/jfs_dtree.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/44618bee303bed151ef3a525ff79fbd7689593b5
https://git.kernel.org/stable/c/5dff41a86377563f7a2b968aae00d25b4ceb37c9
https://git.kernel.org/stable/c/81af4b34fd72d390d7f237c6a545cc6d09707956
https://git.kernel.org/stable/c/bfa4655d28f338e68d345aed80d19be7999bbce2
https://git.kernel.org/stable/c/c8399564a58fb6ea2ff21a6fd278417943cb51a5

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?