CVE-2019-11477

Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs

Published Jun 18, 2019 CVSS 3.1 · 7.5 High EPSS 98.7% KEV · Not listed
Description
Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). 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 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-1823-1 linux security update
Debian DLA Debian DLA DLA-1824-1 linux-4.9 security update
Debian DSA Debian DSA DSA-4465-1 linux security update
Ubuntu USN Ubuntu USN USN-4017-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4017-2 Linux kernel vulnerabilities
References
Link Providers
http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html cve-icon cve-icon
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html cve-icon cve-icon
http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt cve-icon cve-icon
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/06/20/3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/06/28/2 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/07/06/3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/07/06/4 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/10/24/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2019/10/29/3 cve-icon cve-icon
http://www.vmware.com/security/advisories/VMSA-2019-0010.html cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1594 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1602 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1699 cve-icon cve-icon
https://access.redhat.com/security/vulnerabilities/tcpsack cve-icon cve-icon
https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf cve-icon cve-icon
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff cve-icon cve-icon
https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md cve-icon cve-icon
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193 cve-icon cve-icon
https://kc.mcafee.com/corporate/index?page=content&id=SB10287 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-11477 cve-icon
https://patchwork.ozlabs.org/project/netdev/list/?series=114310 cve-icon
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190625-0001/ cve-icon cve-icon
https://support.f5.com/csp/article/K78234183 cve-icon cve-icon
https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-11477 cve-icon
https://www.kb.cert.org/vuls/id/905115 cve-icon cve-icon
https://www.openwall.com/lists/oss-security/2019/06/17/5 cve-icon
https://www.oracle.com/security-alerts/cpujan2020.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2020.html cve-icon cve-icon
https://www.synology.com/security/advisory/Synology_SA_19_28 cve-icon cve-icon
https://www.us-cert.gov/ics/advisories/icsa-19-253-03 cve-icon cve-icon
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Sep 17, 2024, 2:21 AM
Reserved
Apr 23, 2019, 12:00 AM
Status
Modified
Published
Jun 19, 2019, 12:15 AM
Modified
Jun 17, 2026, 2:12 AM
Severity
Important
Public date
Jun 17, 2019, 5:00 PM