5.5

CVE-2026-64234

tty: serial: pch_uart: add check for dma_alloc_coherent()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.38 < 5.10.259
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.210
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.176
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.143
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.93
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.35
Linux ≫ Linux Kernel Version >= 6.19 < 7.0.12
Linux ≫ Linux Kernel Version7.1 Updaterc1
Linux ≫ Linux Kernel Version7.1 Updaterc2
Linux ≫ Linux Kernel Version7.1 Updaterc3
Linux ≫ Linux Kernel Version7.1 Updaterc4
Linux ≫ Linux Kernel Version7.1 Updaterc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.11% 0.018
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4
Patch
https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf
Patch
https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f
Patch
https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82
Patch
https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8
Patch
https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59
Patch
https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863
Patch
https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43
Patch