Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tty: serial: pch_uart: add check for dma_alloc_coherent() Add a check for dma_alloc_coherent() failure to prevent a potential NULL pointer dereference in dma_handle_rx(). Properly release DMA channels and the PCI device reference using a goto ladder if the allocation fails.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.38, < 5.10.259 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bfPatch
- https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59Patch
- https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82Patch
- https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43Patch
- https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4Patch
- https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8Patch
- https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863Patch
- https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068fPatch
FAQ
What is CVE-2026-64234?
CVE-2026-64234 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: tty: serial: pch_uart: add check for dma_alloc_coherent() Add a check for dma_alloc_coherent() failure to prevent a potential NULL...
How severe is CVE-2026-64234?
CVE-2026-64234 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-64234?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.