{"id":"CVE-2019-5606","state":"PUBLISHED","title":"In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p1","description":"In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.","publishedAt":"2019-07-26T00:33:33.000Z","updatedAt":"2024-08-04T20:01:51.956Z","severity":null,"assigner":"freebsd","products":["FreeBSD FreeBSD"],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","versions":[{"version":"FreeBSD before 12.0-RELEASE-p8","status":"affected"},{"version":"before 11.3-RELEASE-p1","status":"affected"},{"version":"and before 11.2-RELEASE-p12","status":"affected"}]}],"references":["https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc","http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html","https://security.netapp.com/advisory/ntap-20190814-0003/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:04.126Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/5xxx/CVE-2019-5606.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-5606","state":"PUBLISHED","datePublished":"2019-07-26T00:33:33.000Z","dateUpdated":"2024-08-04T20:01:51.956Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2019-01-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. 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