High 7.8Published May 1, 2026

CVE-2026-31743nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy

Updated under an hour ago (Oct 28, 2026, 10:23 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy Buffer size used in dma allocation and memcpy is wrong. It can lead to undersized DMA buffer access and possible memory corruption. use correct buffer size in dma_alloc_coherent and memcpy.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	737c0c8d07b5f671c0a33cec95965fcb2d2ea893 builds before 2f6e5b9964d0a63a5ba84fca2642876afb70a662; from 737c0c8d07b5f671c0a33cec95965fcb2d2ea893 before 784ed4abded1ca4b525fa4cade8b02f8c5d2a087; 737c0c8d07b5f671c0a33cec95965fcb2d2ea893 builds before 6c01e7f11f5e5f22285d19510a9643e2506e13c3; from 737c0c8d07b5f671c0a33cec95965fcb2d2ea893 before f9b88613ff402aa6fe8fd020573cb95867ae947e	CNA record
linux linux_kernel linux:linux_kernel	from 6.9 before 6.12.81; from 6.13 before 6.18.22; from 6.19 before 6.19.12; 7.0; 7.0; 7.0; 7.0; 7.0; and 1 more ranges	NVD

References

References

https://git.kernel.org/stable/c/2f6e5b9964d0a63a5ba84fca2642876afb70a662	patch
https://git.kernel.org/stable/c/784ed4abded1ca4b525fa4cade8b02f8c5d2a087	patch
https://git.kernel.org/stable/c/6c01e7f11f5e5f22285d19510a9643e2506e13c3	patch
https://git.kernel.org/stable/c/f9b88613ff402aa6fe8fd020573cb95867ae947e	patch

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.