{"schemaVersion":3,"id":"CVE-2023-54031","aliases":["UBUNTU-CVE-2023-54031","DEBIAN-CVE-2023-54031"],"status":"published","duplicateOf":null,"title":null,"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa: Add queue index attr to vdpa_nl_policy for nlattr length check\n\nThe vdpa_nl_policy structure is used to validate the nlattr when parsing\nthe incoming nlmsg. It will ensure the attribute being described produces\na valid nlattr pointer in info->attrs before entering into each handler\nin vdpa_nl_ops.\n\nThat is to say, the missing part in vdpa_nl_policy may lead to illegal\nnlattr after parsing, which could lead to OOB read just like CVE-2023-3773.\n\nThis patch adds the missing nla_policy for vdpa queue index attr to avoid\nsuch bugs.","dates":{"published":"2025-12-24T10:55:58.885Z","modified":"2026-05-11T19:54:05.604Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":0.00184,"percentile":0.07618,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00184},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0018,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0018,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0018,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0018,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0018,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00184,"percentile":0.07618}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00184,"percentile":null},{"date":"2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