{"id":"CVE-2019-11478","details":"Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.","modified":"2026-04-16T04:34:37.638749802Z","published":"2019-06-19T00:15:12.687Z","related":["SUSE-SU-2019:14089-1","SUSE-SU-2019:1527-1","SUSE-SU-2019:1529-1","SUSE-SU-2019:1530-1","SUSE-SU-2019:1532-1","SUSE-SU-2019:1533-1","SUSE-SU-2019:1534-1","SUSE-SU-2019:1535-1","SUSE-SU-2019:1550-1","SUSE-SU-2019:1581-1","SUSE-SU-2019:1588-1","SUSE-SU-2019:1668-1","SUSE-SU-2019:1671-1","SUSE-SU-2019:1674-1","SUSE-SU-2019:1692-1","SUSE-SU-2019:1851-1","SUSE-SU-2019:1855-1","SUSE-SU-2019:1882-1","SUSE-SU-2019:1888-1","SUSE-SU-2019:1889-1","SUSE-SU-2019:1924-1","SUSE-SU-2019:1935-1","SUSE-SU-2019:1948-1","SUSE-SU-2019:2069-1","SUSE-SU-2019:2430-1","SUSE-SU-2019:2450-1","SUSE-SU-2019:2821-1","openSUSE-SU-2019:1571-1","openSUSE-SU-2019:1579-1","openSUSE-SU-2024:10728-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/06/28/2"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/Jul/30"},{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/905115"},{"type":"WEB","url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/10/29/3"},{"type":"WEB","url":"http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"},{"type":"WEB","url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"WEB","url":"http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/07/06/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/07/06/4"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2020.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2019/10/24/1"},{"type":"WEB","url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10287"},{"type":"ADVISORY","url":"http://www.vmware.com/security/advisories/VMSA-2019-0010.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1699"},{"type":"ADVISORY","url":"https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190625-0001/"},{"type":"ADVISORY","url":"https://www.us-cert.gov/ics/advisories/icsa-19-253-03"},{"type":"ADVISORY","url":"https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic"},{"type":"ADVISORY","url":"https://support.f5.com/csp/article/K26618426"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1602"},{"type":"ADVISORY","url":"https://access.redhat.com/security/vulnerabilities/tcpsack"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1594"},{"type":"ADVISORY","url":"https://www.synology.com/security/advisory/Synology_SA_19_28"},{"type":"FIX","url":"https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=f070ef2ac66716357066b683fb0baf55f8191a2e"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.4.182"}]},{"events":[{"introduced":"4.5"},{"fixed":"4.9.182"}]},{"events":[{"introduced":"4.10"},{"fixed":"4.14.127"}]},{"events":[{"introduced":"4.15"},{"fixed":"4.19.52"}]},{"events":[{"introduced":"4.20"},{"fixed":"5.1.11"}]},{"events":[{"introduced":"11.5.2"},{"last_affected":"11.6.4"}]},{"events":[{"introduced":"12.1.0"},{"last_affected":"12.1.4"}]},{"events":[{"introduced":"13.1.0"},{"last_affected":"13.1.1"}]},{"events":[{"introduced":"14.0.0"},{"last_affected":"14.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0.0"}]},{"events":[{"introduced":"11.5.2"},{"last_affected":"11.6.4"}]},{"events":[{"introduced":"12.1.0"},{"last_affected":"12.1.4"}]},{"events":[{"introduced":"13.1.0"},{"last_affected":"13.1.1"}]},{"events":[{"introduced":"14.0.0"},{"last_affected":"14.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0.0"}]},{"events":[{"introduced":"11.5.2"},{"last_affected":"11.6.4"}]},{"events":[{"introduced":"12.1.0"},{"last_affected":"12.1.4"}]},{"events":[{"introduced":"13.1.0"},{"last_affected":"13.1.1"}]},{"events":[{"introduced":"14.0.0"},{"last_affected":"14.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0.0"}]},{"events":[{"introduced":"11.5.2"},{"last_affected":"11.6.4"}]},{"events":[{"introduced":"12.1.0"},{"last_affected":"12.1.4"}]},{"events":[{"introduced":"13.1.0"},{"last_affected":"13.1.1"}]},{"events":[{"introduced":"14.0.0"},{"last_affected":"14.1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0.0"}]},{"event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