PT-2026-64349 · Linux · Linux

CVE-2026-64234 · Published 2026-07-24 · Updated 2026-07-24

Mitre

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.

Related Identifiers

CVE-2026-64234

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-64234 · Security Note
• https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f · Note
• https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf · Note
• https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59 · Note
• https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8 · Note
• https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4 · Note
• https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863 · Note
• https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82 · Note
• https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43 · Note