{"id":"CVE-2011-3982","aliases":["EUVD-2011-3935","GHSA-v84m-2gvh-22v5"],"status":"published","title":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA...","description":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations, which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O, related to a deadlock in timer processing across CPUs.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00327,"percentile":0.2595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-10-05T01:00:00Z","modified":"2026-06-16T23:34:15Z","products":[{"vendor":"ibm","product":"aix"}],"references":[{"url":"http://www.vupen.com/english/advisories/2011/0691","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67292","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94675","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2011/0275","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94383","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ96761","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94222","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ94593","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-3982"},{"url":"https://github.com/advisories/GHSA-v84m-2gvh-22v5"}],"sources":{"cve":[{"id":"CVE-2011-3982","description":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations, which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O, related to a deadlock in timer processing across CPUs.","status":"published","published":"2011-10-05T01:00:00Z","modified":"2024-08-06T23:53:32.595Z","updated_at":"2026-11-02T14:35:37.324501Z"}],"euvd":[{"id":"EUVD-2011-3935","description":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations, which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O, related to a deadlock in timer processing across CPUs.","status":"published","published":"2011-10-05T01:00:00Z","modified":"2024-08-06T23:53:32Z","updated_at":"2026-11-03T01:39:49.868954Z"}],"ghsa":[{"id":"GHSA-v84m-2gvh-22v5","title":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA...","description":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations, which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O, related to a deadlock in timer processing across CPUs.","status":"published","published":"2022-05-17T01:52:35Z","modified":"2023-02-03T05:05:51Z","updated_at":"2026-11-02T14:53:48.81294Z"}],"nvd":[{"id":"CVE-2011-3982","description":"The Fibre Channel driver for QLogic adapters in IBM AIX 6.1 and 7.1 does not properly handle DMA resource limitations, which allows local users to cause a denial of service (system hang) via vectors that generate a large amount of DMA I/O, related to a deadlock in timer processing across CPUs.","status":"published","published":"2011-10-05T02:56:24.787Z","modified":"2026-06-16T23:34:15.197Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}