CVE-2025-38043: debian linux — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Set dma_mask for ffa devices Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.14 — 5.15.185
linux	linux_kernel	5.16 — 6.1.141
linux	linux_kernel	6.2 — 6.6.93
linux	linux_kernel	6.7 — 6.12.31
linux	linux_kernel	6.13 — 6.14.9
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/2e62c803feec1ef5847d8fa47dd0de039abfa378 https://git.kernel.org/stable/c/3a3efeef64364c2a028cf0d03d68c831813a97fd https://git.kernel.org/stable/c/97bab02f0b64ba6bcdf6a8fae561db07f509aee9 https://git.kernel.org/stable/c/c6aa1d6bd6ccff4ecdf064d288817657ec8532f0 https://git.kernel.org/stable/c/cc0aac7ca17e0ea3ca84b552fc79f3e86fd07f53 https://git.kernel.org/stable/c/e2de76c34a8a925efe80fccae4810427bc144ed0

Other References

https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

Frequently Asked Questions

What is CVE-2025-38043? +

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Set dma_mask for ffa devices Set dma_mask for FFA devices, otherwise DMA allocation using the device pointer lead to following warning: WARNING: CPU: 1 PID: 1 at kernel/dma/mapping.c:597 dma_alloc_attrs+0xe0/0x124 It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38043? +

CVE-2025-38043 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-38043? +

CVE-2025-38043 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-38043? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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