CVE-2026-23198Published

KVM: Don't clobber irqfd routing type when deassigning irqfd

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

Recorded JSON

cve-program · CVE-2026-23198

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": [
                        "virt/kvm/eventfd.c"
                    ],
                    "versions": [
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "959a063e7f12524bc1871ad1f519787967bbcd45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "2284bc168b148a17b5ca3b37b3d95c411f18a08d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "6d14ba1e144e796b5fc81044f08cfba9024ca195",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "b61f9b2fcf181451d0a319889478cc53c001123e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "ff48c9312d042bfbe826ca675e98acc6c623211c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "4385b2f2843549bfb932e0dcf76bf4b065543a3c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f70c20aaf141adb715a2d750c55154073b02a9c3",
                            "lessThan": "b4d37cdb77a0015f51fee083598fa227cc07aaf1",
                            "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": [
                        "virt/kvm/eventfd.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.250",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.200",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.163",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.124",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.70",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.10",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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