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VULNERABILITIES

CVE-2026-72476 Details

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix possible use after free In dma_release_channel(), check chan->device->privatecnt after call dma_chan_put(). However, dma_chan_put() call dma_device_put() which could release the last reference of the device if the DMA provider is already gone and hence free it. Fixes it by moving dma_chan_put() after the check.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0bc191050c3253da8ef4bfaf157c44efed6e22cd kernel.org
https://git.kernel.org/stable/c/329ec20a86091d2a6e5b4fe507545e7d678a22a2 kernel.org
https://git.kernel.org/stable/c/3b0240483dc977dbec4f3bc7a5383d4691ecb625 kernel.org
https://git.kernel.org/stable/c/444f96066937f3fdf0e79b53289cff223c7d638b kernel.org
https://git.kernel.org/stable/c/5876f38b67a309c00628942cb25679749b53b397 kernel.org

see all 8 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-72476
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-72476 Details - Not Deferred