CVE-2026-64234
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
24/07/2026
Last modified:
30/07/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
tty: serial: pch_uart: add check for dma_alloc_coherent()<br />
<br />
Add a check for dma_alloc_coherent() failure to prevent a potential<br />
NULL pointer dereference in dma_handle_rx(). Properly release DMA<br />
channels and the PCI device reference using a goto ladder if the<br />
allocation fails.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf
- https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59
- https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82
- https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43
- https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4
- https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8
- https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863
- https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f