{"id":"CVE-2025-37882","revision":null,"records":[{"revision":"696d9918353e45b684c2b35a93dc2104","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-37882","aliases":[],"title":"usb: xhci: Fix isochronous Ring Underrun/Overrun event handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: xhci: Fix isochronous Ring Underrun/Overrun event handling\n\nThe TRB pointer of these events points at enqueue at the time of error\noccurrence on xHCI 1.1+ HCs or it's NULL on older ones. By the time we\nare handling the event, a new TD may be queued at this ring position.\n\nI can trigger this race by rising interrupt moderation to increase IRQ\nhandling delay. Similar delay may occur naturally due to system load.\n\nIf this ever happens after a Missed Service Error, missed TDs will be\nskipped and the new TD processed as if it matched the event. It could\nbe given back prematurely, risking data loss or buffer UAF by the xHC.\n\nDon't complete TDs on xrun events and don't warn if queued TDs don't\nmatch the event's TRB pointer, which can be NULL or a link/no-op TRB.\nDon't warn if there are no queued TDs at all.\n\nNow that it's safe, also handle xrun events if the skip flag is clear.\nThis ensures completion of any TD stuck in 'error mid TD' state right\nbefore the xrun event, which could happen if a driver submits a finite\nnumber of URBs to a buggy HC and then an error occurs on the last TD.","state":0,"publishedAt":"2025-05-09T06:45:45.936+00:00","modifiedAt":"2026-10-15T21:52:02.238+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/usb/host/xhci-ring.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"608b973b70f87e9a9bafbfdfa16aab68507aef45\",\n                            \"lessThan\": \"16a7a8e6c47fea5c847beb696c8c21a7a44c1915\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"608b973b70f87e9a9bafbfdfa16aab68507aef45\",\n                            \"lessThan\": \"39a080a2925c81b0f1da0add44722ef2b78e5454\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"608b973b70f87e9a9bafbfdfa16aab68507aef45\",\n                            \"lessThan\": \"906dec15b9b321b546fd31a3c99ffc13724c7af4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/usb/host/xhci-ring.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.26\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.14.5\",\n                            \"lessThanOrEqual\": \"6.14.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.15\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/16a7a8e6c47fea5c847beb696c8c21a7a44c1915","https://git.kernel.org/stable/c/39a080a2925c81b0f1da0add44722ef2b78e5454","https://git.kernel.org/stable/c/906dec15b9b321b546fd31a3c99ffc13724c7af4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-37882","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-37882","identifiers":["CVE-2025-37882"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0576f11c5c744ae2b4858d257ff9df62","complete":false,"records":13655,"lastAttemptAt":"2026-11-09T13:09:46.1658679+00:00","lastSuccessAt":"2026-11-09T13:09:46.2280194+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:09:46.2280194+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3096956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3096959+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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