CVE-2026-64234

Source
https://cve.org/CVERecord?id=CVE-2026-64234
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64234.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-64234
Downstream
Published
2026-07-24T15:27:40.263Z
Modified
2026-07-27T04:03:20.635464667Z
Summary
tty: serial: pch_uart: add check for dma_alloc_coherent()
Details

In the Linux kernel, the following vulnerability has been resolved:

tty: serial: pchuart: add check for dmaalloc_coherent()

Add a check for dmaalloccoherent() failure to prevent a potential NULL pointer dereference in dmahandlerx(). Properly release DMA channels and the PCI device reference using a goto ladder if the allocation fails.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64234.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
3c6a483275f47a2ef7119309ad3d791c10cf30da
Fixed
760df81763b391bb5f0dcb0b7597b736da753ae4
Fixed
5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf
Fixed
daea997bb244aeb50cbb2e5e075fb446a6cf068f
Fixed
6dd5c0ea139b586ad5a091677056dafd405cfe82
Fixed
d846df2dfbc2469a688833b4cc4f8aa80672bde8
Fixed
66f8bfea055b23719b4fd6ce207c44de37d82a59
Fixed
d8d53a343ebe74274ca17b1e1993042e99f8c863
Fixed
6fe472c1bbbe238e91141f7cabc1226e96a60d43

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64234.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.38
Fixed
5.10.259
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.210
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.176
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.143
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.93
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.35
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.0.12

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64234.json"