{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49962", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.383Z", "datePublished": "2025-06-18T11:00:23.321Z", "dateUpdated": "2026-05-11T19:10:03.833Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:10:03.833Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\n\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\n\nThis causes a null pointer dereference in reboot for those controllers.\n\nCheck that the shared_hcd exists before trying to remove it." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/usb/host/xhci-plat.c" ], "versions": [ { "version": "e0fe986972f5b6b12086c73569206dd29c520be9", "lessThan": "7081b2f34ff291ada012bd6abacaf7d51c4cf73f", "status": "affected", "versionType": "git" }, { "version": "e0fe986972f5b6b12086c73569206dd29c520be9", "lessThan": "4a593a62a9e3a25ab4bc37f612e4edec144f7f43", "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/usb/host/xhci-plat.c" ], "versions": [ { "version": "5.19", "status": "affected" }, { "version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver" }, { "version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0", "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": "5.19", "versionEndExcluding": "5.19.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.0" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f" }, { "url": "https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43" } ], "title": "xhci: Fix null pointer dereference in remove if xHC has only one roothub", "x_generator": { "engine": "bippy-1.2.0" } } } }