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dmaengine: fix use-after-free in dma_chan_put() and dma_release_channel()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-98343

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/dmaengine.c"
                    ],
                    "versions": [
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "b92c502595336a3cc5bb7a060170891366745a5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "855187a88bdf762c46b6849307597e3e02bfc1d9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "c9780b601438137494b407eb4301bb3de2587ac9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "07eb075b60d565a5e465a1945a80cc62807492ad",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "9319dd64d5cdef851841c091f30424faa2284c31",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "6cf31716b77a71c0d634106f4f3951377b8dc6dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "02bd02c585293634b213b142cba63cbf77891f6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8ad342a863590b24ce77681b7e081363fb3333f7",
                            "lessThan": "e873c74132f0c5f1452816cd9bb26208f0bba1e1",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dma/dmaengine.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.54",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.8",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 9 Nov 00:13 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current