{"id":"CVE-2026-98953","revision":null,"records":[{"revision":"91cd168ce11845ef921282579274fd89","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-98953","aliases":[],"title":"devlink: fix devlink_rel reference leak when notify work is pending","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: fix devlink_rel reference leak when notify work is pending\n\ndevlink_rel_nested_in_notify_work_schedule() takes a reference on the\ndevlink_rel for the notify work and then queues the work, ignoring the\nreturn value of schedule_delayed_work(). If the work is already pending,\nnothing new is queued, the work runs only once and drops only one\nreference, so the extra one is leaked together with the devlink_rel and\nits index in devlink_rels.\n\nThis is easy to hit. devl_register() of a nested instance queues the\nwork, and if the instance is unregistered before the work has run,\ndevlink_rel_put() queues it again while it is still pending. The work\nalso keeps rescheduling itself for as long as the parent devlink lock\ncannot be taken, which widens the window. Registering and unregistering\na nested devlink instance 100 times while holding the parent lock leaks\nall 100 devlink_rel objects.\n\nThe reschedule path in devlink_rel_nested_in_notify_work() has the same\nproblem: if the work was queued again while it was running, the\nreference it holds is never dropped.\n\nDrop the reference in both places when the work was already pending.\nThe pending work holds its own reference, so this can not be the last\none.","state":0,"publishedAt":"2026-10-23T12:19:13.015+00:00","modifiedAt":"2026-10-23T12:19:13.015+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                        \"net/devlink/core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c137743bce02b18c1537d4681aa515f7b80bf0a8\",\n                            \"lessThan\": \"8c7830e0120e6e1f5084212fd5b79b3092496f87\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c137743bce02b18c1537d4681aa515f7b80bf0a8\",\n                            \"lessThan\": \"8de57bfec3825effb57fe4d25da98ec3b8fda4c6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c137743bce02b18c1537d4681aa515f7b80bf0a8\",\n                            \"lessThan\": \"dc2e787b5fb474241c8a6d18fdacb44adc6d571f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c137743bce02b18c1537d4681aa515f7b80bf0a8\",\n                            \"lessThan\": \"c5381ae1cd1481cc431c2bd79460472c6f1d3ce3\",\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                        \"net/devlink/core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.113\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.11\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8c7830e0120e6e1f5084212fd5b79b3092496f87","https://git.kernel.org/stable/c/8de57bfec3825effb57fe4d25da98ec3b8fda4c6","https://git.kernel.org/stable/c/dc2e787b5fb474241c8a6d18fdacb44adc6d571f","https://git.kernel.org/stable/c/c5381ae1cd1481cc431c2bd79460472c6f1d3ce3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98953","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98953","identifiers":["CVE-2026-98953"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-27T23:49:11.7604642+00:00","complete":true,"records":1760,"lastAttemptAt":"2026-10-27T23:49:11.7604642+00:00","lastSuccessAt":"2026-10-27T23:49:11.9251984+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:49:11.9252004+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-187d2b72c94ceb8c4417f1032ec3109a3a3a7b730abadb561d8cdd2a96e04d27-6f8284a2c5d6f7a90df031c58649fd65623df7f48801e0993675b394053cb25f","complete":true,"records":415414,"lastAttemptAt":"2026-10-27T23:46:16.5712996+00:00","lastSuccessAt":"2026-10-27T23:46:16.4250984+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:46:16.5712996+00:00","snapshotPublishedAt":"2026-10-27T23:26:27+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. 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-2e31ad7d92d64caab0469a906a9524b8","complete":false,"records":7721,"lastAttemptAt":"2026-10-28T00:01:24.1583332+00:00","lastSuccessAt":"2026-10-28T00:01:24.154+00:00","error":"7 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-10-28T00:01:24.154+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":2993,"expectedIdentifiers":13514,"failedIdentifiers":7},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-27T23:49:11.7604642+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-27T23:49:11.7604642+00:00","lastSuccessAt":"2026-10-27T23:49:11.9264383+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:49:11.9264386+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. No reader inventory is sent.","generation":"enrichment-8d16a738328646698f9217d8ea11893c","complete":true,"records":13449,"lastAttemptAt":"2026-10-27T23:49:12.4732058+00:00","lastSuccessAt":"2026-10-27T22:48:29.491+00:00","error":null,"lastVerifiedAt":"2026-10-27T22:48:29.491+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13514,"expectedIdentifiers":13514,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-f7cb12508d9e6a348c8a60f772ed85529cc80cd2ff853da1099b57754b20e943","complete":true,"records":9790,"lastAttemptAt":"2026-10-27T23:49:11.6141417+00:00","lastSuccessAt":"2026-10-27T21:49:03.9756799+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:49:11.6141417+00:00","snapshotPublishedAt":"2026-10-27T21:48:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-72e5e79de0026dd0562d40734074a2236a06886643d67182b8381eaee757dbf7","complete":true,"records":1966,"lastAttemptAt":"2026-10-27T23:46:16.7294886+00:00","lastSuccessAt":"2026-10-27T21:46:38.0277323+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:46:16.7294886+00:00","snapshotPublishedAt":"2026-10-27T21:18:15+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-3a5b306d60fc44677a03a8afc99d87e6c5402770ef68d560f94a8c3ad3802b75","complete":true,"records":3001,"lastAttemptAt":"2026-10-27T23:49:11.7203646+00:00","lastSuccessAt":"2026-10-27T16:45:49.0050993+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:49:11.7203646+00:00","snapshotPublishedAt":"2026-10-27T16:33:43+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-e94506f133c8bd17d5821d183faeaf30a6e2cec4fbbffe29e073cb827f4fb210","complete":true,"records":230853,"lastAttemptAt":"2026-10-27T23:49:11.4810073+00:00","lastSuccessAt":"2026-10-27T23:49:10.0217006+00:00","error":null,"lastVerifiedAt":"2026-10-27T23:49:11.4810073+00:00","snapshotPublishedAt":"2026-10-27T23:33:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}