What’s Vulnerable › Vulnerabilities

CVE-2025-38138: dmaengine: ti: Add NULL check in udma_probe()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-03 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Add NULL check in udma_probe() devm_kasprintf() returns NULL when memory allocation fails. Currently, udma_probe() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 5.6 before 5.10.239; from 5.11 before 5.15.186; from 5.16 before 6.1.142; from 6.2 before 6.6.94; from 6.7 before 6.12.34; from 6.13 before 6.15.3 — fixed in 5.10.239, 5.15.186, 6.1.142, 6.12.34, 6.15.3, 6.6.94

How to fix

Upgrade to a fixed version: Linux kernel 5.10.239, 5.15.186, 6.1.142, 6.12.34. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/643db430f4cbd91dd2b63c49d62d0abb6debc13b
• https://git.kernel.org/stable/c/9f133e04c62246353b8b1f0a679535c65161ebcf
• https://git.kernel.org/stable/c/b79e10050d9d1e200541d25751dd5cb8ec58483c
• https://git.kernel.org/stable/c/bc6ddff79835f71310a21645d8fcf08ec473e969
• https://git.kernel.org/stable/c/d61d5ba5bd5b0e39e30b34dcd92946e084bca0d0
• https://git.kernel.org/stable/c/ec1ea394c40523835bbedd8fc4934b77b461b6fe
• https://git.kernel.org/stable/c/fd447415e74bccd7362f760d4ea727f8e1ebfe91
• https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
• https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html

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