{ "CVE_data_meta": { "AKA": "SACK Panic", "ASSIGNER": "security@ubuntu.com", "DATE_PUBLIC": "2019-06-17T00:00:00.000Z", "ID": "CVE-2019-11477", "STATE": "PUBLIC", "TITLE": "Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux kernel", "version": { "version_data": [ { "version_affected": "<", "version_name": "4.4", "version_value": "4.4.182" }, { "version_affected": "<", "version_name": "4.9", "version_value": "4.9.182" }, { "version_affected": "<", "version_name": "4.14", "version_value": "4.14.127" }, { "version_affected": "<", "version_name": "4.19", "version_value": "4.19.52" }, { "version_affected": "<", "version_name": "5.1", "version_value": "5.1.11" } ] } } ] }, "vendor_name": "Linux" } ] } }, "credit": [ { "lang": "eng", "value": "Jonathan Looney from Netflix" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "generator": { "engine": "Vulnogram 0.0.7" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-190 Integer Overflow or Wraparound" } ] } ] }, "references": { "reference_data": [ { "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff" }, { "refsource": "MISC", "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md", "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md" }, { "refsource": "MISC", "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic", "name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic" }, { "refsource": "MISC", "url": "https://access.redhat.com/security/vulnerabilities/tcpsack", "name": "https://access.redhat.com/security/vulnerabilities/tcpsack" }, { "refsource": "CONFIRM", "name": "https://support.f5.com/csp/article/K78234183", "url": "https://support.f5.com/csp/article/K78234183" }, { "refsource": "MISC", "name": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html", "url": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html" }, { "refsource": "CONFIRM", "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193", "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193" }, { "refsource": "CERT-VN", "name": "VU#905115", "url": "https://www.kb.cert.org/vuls/id/905115" }, { "refsource": "MLIST", "name": "[oss-security] 20190620 Re: Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issues", "url": "http://www.openwall.com/lists/oss-security/2019/06/20/3" }, { "refsource": "CONFIRM", "name": "https://www.synology.com/security/advisory/Synology_SA_19_28", "url": "https://www.synology.com/security/advisory/Synology_SA_19_28" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20190625-0001/", "url": "https://security.netapp.com/advisory/ntap-20190625-0001/" }, { "refsource": "REDHAT", "name": "RHSA-2019:1594", "url": "https://access.redhat.com/errata/RHSA-2019:1594" }, { "refsource": "REDHAT", "name": "RHSA-2019:1602", "url": "https://access.redhat.com/errata/RHSA-2019:1602" }, { "refsource": "CONFIRM", "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006", "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006" }, { "refsource": "CONFIRM", "name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10287", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10287" }, { "refsource": "MLIST", "name": "[oss-security] 20190628 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/06/28/2" }, { "refsource": "CONFIRM", "name": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html", "url": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html" }, { "refsource": "MLIST", "name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/07/06/3" }, { "refsource": "MLIST", "name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/07/06/4" }, { "refsource": "REDHAT", "name": "RHSA-2019:1699", "url": "https://access.redhat.com/errata/RHSA-2019:1699" }, { "refsource": "CONFIRM", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf" }, { "refsource": "MISC", "name": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03", "url": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03" }, { "refsource": "MISC", "name": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html", "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html" }, { "refsource": "MLIST", "name": "[oss-security] 20191023 Membership application for linux-distros - VMware", "url": "http://www.openwall.com/lists/oss-security/2019/10/24/1" }, { "refsource": "MLIST", "name": "[oss-security] 20191029 Re: Membership application for linux-distros - VMware", "url": "http://www.openwall.com/lists/oss-security/2019/10/29/3" }, { "refsource": "CONFIRM", "name": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en", "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en" }, { "url": "https://www.oracle.com/security-alerts/cpujan2020.html", "refsource": "MISC", "name": "https://www.oracle.com/security-alerts/cpujan2020.html" } ] }, "source": { "advisory": "https://usn.ubuntu.com/4017-1", "defect": [ "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831637" ], "discovery": "UNKNOWN" } }