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cnvd-2019-18511
Vulnerability from cnvd
Title
Linux kernel拒绝服务漏洞（CNVD-2019-18511）
Description
Linux是一套免费使用和自由传播的类Unix操作系统，是一个基于POSIX和UNIX的多用户、多任务、支持多线程和多CPU的操作系统。
Linux kernel 存在拒绝服务漏洞，攻击者成功利用该漏洞将导致过多的内存消耗，从而导致拒绝服务的情况。
Severity
中
VLAI Severity ?
Patch Name
Linux kernel拒绝服务漏洞（CNVD-2019-18511）的补丁
Patch Description
Linux是一套免费使用和自由传播的类Unix操作系统，是一个基于POSIX和UNIX的多用户、多任务、支持多线程和多CPU的操作系统。
Linux kernel 存在拒绝服务漏洞，攻击者成功利用该漏洞将导致过多的内存消耗，从而导致拒绝服务的情况。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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"submitTime": "2019-06-18",
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CVE-2019-11477 (GCVE-0-2019-11477)
Vulnerability from cvelistv5
Published
2019-06-18 23:34
Modified
2024-09-17 02:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
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.
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": "Jonathan Looney discovered that the TCP_SKB_CB(skb)-\u003etcp_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": [
{
"name": "VU#905115",
"refsource": "CERT-VN",
"url": "https://www.kb.cert.org/vuls/id/905115"
},
{
"name": "[oss-security] 20190620 Re: Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service issues",
"refsource": "MLIST",
"url": "http://www.openwall.com/lists/oss-security/2019/06/20/3"
},
{
"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": "[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://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff",
"refsource": "MISC",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff"
},
{
"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": "https://support.f5.com/csp/article/K78234183",
"refsource": "CONFIRM",
"url": "https://support.f5.com/csp/article/K78234183"
},
{
"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://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006",
"refsource": "CONFIRM",
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006"
},
{
"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.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en",
"refsource": "CONFIRM",
"url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en"
},
{
"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"
}
]
},
"source": {
"advisory": "https://usn.ubuntu.com/4017-1",
"defect": [
"https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831637"
],
"discovery": "UNKNOWN"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2019-11477",
"datePublished": "2019-06-18T23:34:51.026970Z",
"dateReserved": "2019-04-23T00:00:00",
"dateUpdated": "2024-09-17T02:21:15.995Z",
"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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