CVE-2025-38138: dmaengine: ti: Add NULL check in udma_probe()
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: ti: Add NULL check in udmaprobe()
devmkasprintf() returns NULL when memory allocation fails. Currently, udmaprobe() does not check for this case, which results in a NULL pointer dereference.
Add NULL check after devmkasprintf() to prevent this issue.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1 - Compensating control
Add a NULL check after devm_kasprintf() in udma_probe() to handle memory-allocation failure and prevent NULL pointer dereference.
Event History
Frequently Asked Questions
What is the severity of CVE-2025-38138?
CVE-2025-38138 has been assessed with a high severity due to its potential to cause system crashes through NULL pointer dereference.
How do I fix CVE-2025-38138?
To resolve CVE-2025-38138, update your Linux kernel to the patched version where the NULL check has been implemented in udma_probe().
What systems are affected by CVE-2025-38138?
CVE-2025-38138 affects the Linux kernel, specifically systems using the TI DMA engine.
What types of issues can CVE-2025-38138 cause?
CVE-2025-38138 may lead to system instability and crashes due to the NULL pointer dereference issue.
Is CVE-2025-38138 being actively exploited?
As of now, there is no public information indicating that CVE-2025-38138 is actively exploited in the wild.