{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64475", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.791Z", "datePublished": "2026-07-25T08:51:38.154Z", "dateUpdated": "2026-07-25T08:51:38.154Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:51:38.154Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio/pci: Release the VGA arbiter client on register_device() failure\n\nThe re-order in the Fixes commit below displaced vfio_pci_vga_init() as\nthe last failure point of what is now vfio_pci_core_register_device()\nwithout introducing an unwind for the VGA arbiter registration.\n\nIn current kernels this is mostly benign because vfio_pci_set_decode()\nonly uses pci_dev state, but the original failure path could leave a\ncallback with a freed vdev cookie. The stale registration also becomes\nunsafe again once the callback follows drvdata to the vfio device.\n\nAdd the required VGA unwind callout."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/vfio/pci/vfio_pci_core.c"], "versions": [{"version": "87856f9af04eaacf9848710625a4ffee1d020fa9", "lessThan": "0f2a35a0c7ea7da347b814750eaa78adf3582381", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "8d65decde9afd2bd78bcfffdc0df73b82a0b5509", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "ef4c38d30b3744e89eb5048218904bb629ea8d47", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "9e0a3f642e607848669235f5069f35640abbfc88", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "42d758a09d2c46c42357ecde9a5492f015bde2e5", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "52adb2dff7ce3d8430e2bdc5988b618a430def85", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "278a5659c391fe5afe5f9ce1bad1fd24e90144f1", "status": "affected", "versionType": "git"}, {"version": "4aeec3984ddc853f7c65903bde472ffdef738bae", "lessThan": "daedde7f024ecf88bc8e832ed40cf2c795f0796a", "status": "affected", "versionType": "git"}, {"version": "d62dccb417cf972c978bf3c68a7d5e846bcf953e", "status": "affected", "versionType": "git"}, {"version": "6694b8daffac5a8661071f085608afc78f7acd08", "status": "affected", "versionType": "git"}, {"version": "5.10.37", "lessThan": "5.10.261", "status": "affected", "versionType": "semver"}, {"version": "5.11.21", "lessThan": "5.12", "status": "affected", "versionType": "semver"}, {"version": "5.12.4", "lessThan": "5.13", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/vfio/pci/vfio_pci_core.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.37", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2-rc2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0f2a35a0c7ea7da347b814750eaa78adf3582381"}, {"url": "https://git.kernel.org/stable/c/8d65decde9afd2bd78bcfffdc0df73b82a0b5509"}, {"url": "https://git.kernel.org/stable/c/ef4c38d30b3744e89eb5048218904bb629ea8d47"}, {"url": "https://git.kernel.org/stable/c/9e0a3f642e607848669235f5069f35640abbfc88"}, {"url": "https://git.kernel.org/stable/c/42d758a09d2c46c42357ecde9a5492f015bde2e5"}, {"url": "https://git.kernel.org/stable/c/52adb2dff7ce3d8430e2bdc5988b618a430def85"}, {"url": "https://git.kernel.org/stable/c/278a5659c391fe5afe5f9ce1bad1fd24e90144f1"}, {"url": "https://git.kernel.org/stable/c/daedde7f024ecf88bc8e832ed40cf2c795f0796a"}], "title": "vfio/pci: Release the VGA arbiter client on register_device() failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

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