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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
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 |
---|
{ "cves": { "cve": { "cveNumber": "CVE-2019-11477" } }, "description": "Linux\u662f\u4e00\u5957\u514d\u8d39\u4f7f\u7528\u548c\u81ea\u7531\u4f20\u64ad\u7684\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u4e00\u4e2a\u57fa\u4e8ePOSIX\u548cUNIX\u7684\u591a\u7528\u6237\u3001\u591a\u4efb\u52a1\u3001\u652f\u6301\u591a\u7ebf\u7a0b\u548c\u591aCPU\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nLinux kernel \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u6210\u529f\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u5bfc\u81f4\u8fc7\u591a\u7684\u5185\u5b58\u6d88\u8017\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u7684\u60c5\u51b5\u3002", "discovererName": "unKnow", "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps\uff1a//wiki.ubuntu.com/Security/Upgrades", "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e", "number": "CNVD-2019-18511", "openTime": "2019-06-19", "patchDescription": "Linux\u662f\u4e00\u5957\u514d\u8d39\u4f7f\u7528\u548c\u81ea\u7531\u4f20\u64ad\u7684\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\uff0c\u662f\u4e00\u4e2a\u57fa\u4e8ePOSIX\u548cUNIX\u7684\u591a\u7528\u6237\u3001\u591a\u4efb\u52a1\u3001\u652f\u6301\u591a\u7ebf\u7a0b\u548c\u591aCPU\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u6210\u529f\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u5bfc\u81f4\u8fc7\u591a\u7684\u5185\u5b58\u6d88\u8017\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u7684\u60c5\u51b5\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002", "patchName": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-18511\uff09\u7684\u8865\u4e01", "products": { "product": "Linux Kernel" }, "referenceLink": "https://usn.ubuntu.com/4017-2/", "serverity": "\u4e2d", "submitTime": "2019-06-18", "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2019-18511\uff09" }
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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A remote attacker could use this to cause a denial of service. 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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 |
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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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