{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45989", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.091Z", "datePublished": "2026-05-27T12:55:41.276Z", "dateUpdated": "2026-05-27T12:55:41.276Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:55:41.276Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof: unittest: fix use-after-free in testdrv_probe()\n\nThe function testdrv_probe() retrieves the device_node from the PCI\ndevice, applies an overlay, and then immediately calls of_node_put(dn).\nThis releases the reference held by the PCI core, potentially freeing\nthe node if the reference count drops to zero. Later, the same freed\npointer 'dn' is passed to of_platform_default_populate(), leading to a\nuse-after-free.\n\nThe reference to pdev->dev.of_node is owned by the device model and\nshould not be released by the driver. Remove the erroneous of_node_put()\nto prevent premature freeing."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/of/unittest.c"], "versions": [{"version": "26409dd045892904b059dc411403e9c8ce7543ca", "lessThan": "0ba03e06f037df704d9b032e36d417633e2326bc", "status": "affected", "versionType": "git"}, {"version": "26409dd045892904b059dc411403e9c8ce7543ca", "lessThan": "d68347b07b9801791c9eaab8f772770b52b8cd5c", "status": "affected", "versionType": "git"}, {"version": "26409dd045892904b059dc411403e9c8ce7543ca", "lessThan": "5b6122a67a295f8a08b7c18d908a1bd974dfaec8", "status": "affected", "versionType": "git"}, {"version": "26409dd045892904b059dc411403e9c8ce7543ca", "lessThan": "6b2023286d2c6ed3bf964fb92e34c9c14d42eb69", "status": "affected", "versionType": "git"}, {"version": "26409dd045892904b059dc411403e9c8ce7543ca", "lessThan": "07fd339b2c253205794bea5d9b4b7548a4546c56", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/of/unittest.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "6.6", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0ba03e06f037df704d9b032e36d417633e2326bc"}, {"url": "https://git.kernel.org/stable/c/d68347b07b9801791c9eaab8f772770b52b8cd5c"}, {"url": "https://git.kernel.org/stable/c/5b6122a67a295f8a08b7c18d908a1bd974dfaec8"}, {"url": "https://git.kernel.org/stable/c/6b2023286d2c6ed3bf964fb92e34c9c14d42eb69"}, {"url": "https://git.kernel.org/stable/c/07fd339b2c253205794bea5d9b4b7548a4546c56"}], "title": "of: unittest: fix use-after-free in testdrv_probe()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nof: unittest: fix use-after-free in testdrv_probe()\n\nThe function testdrv_probe() retrieves the device_node from the PCI\ndevice, applies an overlay, and then immediately calls of_node_put(dn).\nThis releases the reference held by the PCI core, potentially freeing\nthe node if the reference count drops to zero. Later, the same freed\npointer 'dn' is passed to of_platform_default_populate(), leading to a\nuse-after-free.\n\nThe reference to pdev->dev.of_node is owned by the device model and\nshould not be released by the driver. Remove the erroneous of_node_put()\nto prevent premature freeing."}], "id": "CVE-2026-45989", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:16.413", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/07fd339b2c253205794bea5d9b4b7548a4546c56"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0ba03e06f037df704d9b032e36d417633e2326bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b6122a67a295f8a08b7c18d908a1bd974dfaec8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b2023286d2c6ed3bf964fb92e34c9c14d42eb69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d68347b07b9801791c9eaab8f772770b52b8cd5c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}