#VU107772 Resource management error in Linux kernel - CVE-2025-39778

Vulnerability identifier: #VU107772

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-2025-39778

CWE-ID: CWE-399

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 resource management error within the nvmet_ctrl_state_show() function in drivers/nvme/target/debugfs.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13, 6.13.1, 6.13.2, 6.13.3, 6.13.4, 6.13.5, 6.13.6, 6.13.7, 6.13.8, 6.13.9, 6.13.10

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External links
https://git.kernel.org/stable/c/0cc0efc58d6c741b2868d4af24874d7fec28a575
https://git.kernel.org/stable/c/107a23185d990e3df6638d9a84c835f963fe30a6
https://git.kernel.org/stable/c/1adc93a525fdee8e2b311e6d5fd93eb69714ca05
https://git.kernel.org/stable/c/8fbf37a3577b4d64c150cafde338eee17b2f2ea4
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11

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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.