CVE-2026-64234In 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…
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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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 2.6.38 before 5.10.259; from 5.11 before 5.15.210; from 5.16 before 6.1.176; from 6.2 before 6.6.143; from 6.7 before 6.12.93; from 6.13 before 6.18.35; from 6.19 before 7.0.12; 7.1; and 4 more ranges | NVD |
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
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.