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cnvd-2019-18512
Vulnerability from cnvd
Title: Linux kernel拒绝服务漏洞（CNVD-2019-18512）
Description:
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel中网络子系统处理TCP Selective Acknowledgment片段的方法存在资源管理错误漏洞。攻击者可利用该漏洞造成拒绝服务（消耗大量资源）。
Severity: 中
Patch Name: Linux kernel拒绝服务漏洞（CNVD-2019-18512）的补丁
Patch Description:
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。
Linux kernel中网络子系统处理TCP Selective Acknowledgment片段的方法存在资源管理错误漏洞。攻击者可利用该漏洞造成拒绝服务（消耗大量资源）。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description:
目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https：//wiki.ubuntu.com/Security/Upgrades
Reference: https://usn.ubuntu.com/4017-2/
Impacted products
| Name | Linux Kernel |
|---|
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"serverity": "\u4e2d",
"submitTime": "2019-06-18",
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CVE-2019-11478 (GCVE-0-2019-11478)
Vulnerability from cvelistv5
Published
2019-06-18 23:34
Modified
2024-09-16 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux kernel |
Version: 4.4 < 4.4.182 Version: 4.9 < 4.9.182 Version: 4.14 < 4.14.127 Version: 4.19 < 4.19.52 Version: 5.1 < 5.1.11 |
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"value": "CWE-770 Allocation of Resources Without Limits or Throttling"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "VU#905115",
"refsource": "CERT-VN",
"url": "https://www.kb.cert.org/vuls/id/905115"
},
{
"name": "RHSA-2019:1594",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1594"
},
{
"name": "RHSA-2019:1602",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1602"
},
{
"name": "[oss-security] 20190628 Re: linux-distros membership application - Microsoft",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/06/28/2"
},
{
"name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/07/06/3"
},
{
"name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/07/06/4"
},
{
"name": "RHSA-2019:1699",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:1699"
},
{
"name": "20190722 [SECURITY] [DSA 4484-1] linux security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Jul/30"
},
{
"name": "[oss-security] 20191023 Membership application for linux-distros - VMware",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/10/24/1"
},
{
"name": "[oss-security] 20191029 Re: Membership application for linux-distros - VMware",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/10/29/3"
},
{
"name": "https://www.oracle.com/security-alerts/cpujan2020.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpujan2020.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuoct2020.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
},
{
"name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md",
"refsource": "MISC",
"url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md"
},
{
"name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic",
"refsource": "MISC",
"url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic"
},
{
"name": "https://access.redhat.com/security/vulnerabilities/tcpsack",
"refsource": "MISC",
"url": "https://access.redhat.com/security/vulnerabilities/tcpsack"
},
{
"name": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html"
},
{
"name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193",
"refsource": "CONFIRM",
"url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193"
},
{
"name": "https://www.synology.com/security/advisory/Synology_SA_19_28",
"refsource": "CONFIRM",
"url": "https://www.synology.com/security/advisory/Synology_SA_19_28"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190625-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190625-0001/"
},
{
"name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10287",
"refsource": "CONFIRM",
"url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10287"
},
{
"name": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html",
"refsource": "CONFIRM",
"url": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf"
},
{
"name": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03",
"refsource": "MISC",
"url": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03"
},
{
"name": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
},
{
"name": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt",
"refsource": "CONFIRM",
"url": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt"
},
{
"name": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=f070ef2ac66716357066b683fb0baf55f8191a2e",
"refsource": "MISC",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=f070ef2ac66716357066b683fb0baf55f8191a2e"
},
{
"name": "https://support.f5.com/csp/article/K26618426",
"refsource": "CONFIRM",
"url": "https://support.f5.com/csp/article/K26618426"
},
{
"name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007",
"refsource": "CONFIRM",
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007"
},
{
"name": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
}
]
},
"source": {
"advisory": "https://usn.ubuntu.com/4017-1",
"defect": [
"https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831638"
],
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2019-11478",
"datePublished": "2019-06-18T23:34:51.077803Z",
"dateReserved": "2019-04-23T00:00:00",
"dateUpdated": "2024-09-16T23:45:54.779Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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