{"schemaVersion":3,"id":"CVE-2019-16508","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Imagination Technologies driver for Chrome OS before R74-11895.B, R75 before R75-12105.B, and R76 before R76-12208.0.0 allows attackers to trigger an Integer Overflow and gain privileges via a malicious application. This occurs because of intentional access for the GPU process to /dev/dri/card1 and the PowerVR ioctl handler, as demonstrated by PVRSRVBridgeSyncPrimOpCreate.","dates":{"published":"2019-10-01T11:07:51.000Z","modified":"2024-08-05T01:17:39.567Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.3,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00501,"percentile":0.41949,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.00501},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00501,"percentile":0.41949}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00501,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00501,"percentile":0.41949}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_1906B7E3B4E2804C","name":"Exploit Reference (bugs.chromium.org)","source":"reference","url":"https://bugs.chromium.org/p/chromium/issues/detail?id=960106","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"google","product":"chrome_os","name":"chrome os","label":"chrome_os","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< r74-11895.b","noFixRecorded":false,"fixedIn":null},{"text":"≥ r75, < r75.12105.b","noFixRecorded":false,"fixedIn":null},{"text":"≥ r76, < r76.12208.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< r74-11895.b | ≥ r75, < r75.12105.b | ≥ r76, < r76.12208.0.0","eol":null,"hubHref":"/vendor/google/chrome_os"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=960106","label":"bugs.chromium.org/p/chromium/issues/detail?id=960106","hostname":"bugs.chromium.org","tags":["X Refsource MISC","Exploit","Mailing List","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-10-01T11:07:51.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T01:17:39.567Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:03:06.912Z","stale":false,"partial":false}}