{"schemaVersion":3,"id":"CVE-2013-1935","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest OS users to cause a denial of service (host OS crash) by leveraging a time window during which interrupts are disabled but copy_to_user function calls are possible.","dates":{"published":"2013-07-16T10:00:00.000Z","modified":"2024-08-06T15:20:37.260Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.7,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:A/AC:M/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.7,"severity":"medium","vector":"AV:A/AC:M/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00487,"percentile":0.40661,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00487},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00487,"percentile":0.40661}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00487,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00487,"percentile":0.40661}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-362","name":"Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","description":"The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/362.html"}],"affected":[{"vendor":"redhat","product":"enterprise_linux","name":"enterprise linux","label":"enterprise_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"6.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"6.0","eol":{"isEol":true,"eolDate":"2020-11-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"6","label":"6 (ELS)","eolFrom":"2020-11-30T00:00:00.000Z","isLts":true,"isMaintained":false,"latestVersion":"6.10"},"product":{"name":"rhel","label":"Red Hat Enterprise Linux","category":"os"}},"hubHref":"/vendor/redhat/enterprise_linux"}],"affectedCount":1,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=949981","label":"bugzilla.redhat.com/show_bug.cgi?id=949981","hostname":"bugzilla.redhat.com","tags":["X Refsource CONFIRM"]},{"url":"https://rhn.redhat.com/errata/RHSA-2013-0907.html","label":"rhn.redhat.com/errata/RHSA-2013-0907.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0911.html","label":"rhn.redhat.com/errata/RHSA-2013-0911.html","hostname":"rhn.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]}],"lineage":{"upstream":[],"downstream":["RHSA-2013:0907","RHSA-2013:0911"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2013-07-16T10:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T15:20:37.260Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":23,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T23:03:39.242Z","stale":false,"partial":false}}