#VU107764 Resource management error in Linux kernel - CVE-2025-38479

Vulnerability identifier: #VU107764

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-2025-38479

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 fsl_edma2_irq_init(), fsl_edma_irq_exit() and fsl_edma_probe() functions in drivers/dma/fsl-edma-main.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.7, 6.12.8, 6.12.9, 6.12.10, 6.12.11, 6.12.12, 6.12.13, 6.12.14, 6.12.15, 6.12.16, 6.12.17, 6.12.18, 6.12.19, 6.12.20, 6.12.21, 6.12.22, 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, 6.14, 6.14.1

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External links
https://git.kernel.org/stable/c/38ff8769074db27387cb2323aaa751e59d168e6a
https://git.kernel.org/stable/c/55e2dbe2ba787d4fc2306f6bb2f43fb32176e184
https://git.kernel.org/stable/c/f3834d2d68749e4760c27325149765930ad876fd
https://git.kernel.org/stable/c/fa70c4c3c580c239a0f9e83a14770ab026e8d820
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

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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.