{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43431", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.009Z", "datePublished": "2026-05-08T14:22:03.298Z", "dateUpdated": "2026-05-08T14:22:03.298Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:22:03.298Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix NULL pointer dereference when reading portli debugfs files\n\nMichal reported and debgged a NULL pointer dereference bug in the\nrecently added portli debugfs files\n\nOops is caused when there are more port registers counted in\nxhci->max_ports than ports reported by Supported Protocol capabilities.\nThis is possible if max_ports is more than maximum port number, or\nif there are gaps between ports of different speeds the 'Supported\nProtocol' capabilities.\n\nIn such cases port->rhub will be NULL so we can't reach xhci behind it.\nAdd an explicit NULL check for this case, and print portli in hex\nwithout dereferencing port->rhub."}], "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-debugfs.c"], "versions": [{"version": "384c57ec720597f8104f69082cdd261abb998b80", "lessThan": "9c8bef223c6e991276188d30d74bdb2cbd8be652", "status": "affected", "versionType": "git"}, {"version": "384c57ec720597f8104f69082cdd261abb998b80", "lessThan": "ae4ff9dead5efa2025eddfcdb29411432bf40a7c", "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-debugfs.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.19", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9c8bef223c6e991276188d30d74bdb2cbd8be652"}, {"url": "https://git.kernel.org/stable/c/ae4ff9dead5efa2025eddfcdb29411432bf40a7c"}], "title": "xhci: Fix NULL pointer dereference when reading portli debugfs files", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix NULL pointer dereference when reading portli debugfs files\n\nMichal reported and debgged a NULL pointer dereference bug in the\nrecently added portli debugfs files\n\nOops is caused when there are more port registers counted in\nxhci->max_ports than ports reported by Supported Protocol capabilities.\nThis is possible if max_ports is more than maximum port number, or\nif there are gaps between ports of different speeds the 'Supported\nProtocol' capabilities.\n\nIn such cases port->rhub will be NULL so we can't reach xhci behind it.\nAdd an explicit NULL check for this case, and print portli in hex\nwithout dereferencing port->rhub."}], "id": "CVE-2026-43431", "lastModified": "2026-05-08T15:16:55.367", "metrics": {}, "published": "2026-05-08T15:16:55.367", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c8bef223c6e991276188d30d74bdb2cbd8be652"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ae4ff9dead5efa2025eddfcdb29411432bf40a7c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-05-08T17:00:16.209370+00:00", "updated": "2026-05-08T17:00:16.209381+00:00", "vendors": [], "weaknesses": ["CWE-476"]}