CVE-2026-64234
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.
Metadata
Severity & Metrics
No CVSS data available.
Affected products (2)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Linux | Linux | — | 3c6a483275f47a2ef7119309ad3d791c10cf30da < 760df81763b391bb5f0dcb0b7597b736da753ae4, 3c6a483275f47a2ef7119309ad3d791c10cf30da < 5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf, 3c6a483275f47a2ef7119309ad3d791c10cf30da < daea997bb244aeb50cbb2e5e075fb446a6cf068f, 3c6a483275f47a2ef7119309ad3d791c10cf30da < 6dd5c0ea139b586ad5a091677056dafd405cfe82 … |
| Linux | Linux | — | 2.6.38, 0 < 2.6.38, 5.10.259 ≤ 5.10.*, 5.15.210 ≤ 5.15.* … |
References (8)
- https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4
- https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf
- https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f
- https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82
- https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8
- https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59
- https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863
- https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43