cnvd - cnvd-2015-02932

cnvd-2015-02932

Vulnerability from cnvd

Title: Linux kernel 'ndisc_router_discovery()'函数拒绝服务漏洞

Description:

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。

Linux kernel ‘ndisc_router_discovery()’函数（net/ipv6/ndisc.c）中存在拒绝服务漏洞。本地攻击者可通过特制的ICMP广播数据利用该漏洞将跳数限制设置成任意值，并造成拒绝服务（IPv6消息丢失）。

Severity: 低

Patch Name: Linux kernel 'ndisc_router_discovery()'函数拒绝服务漏洞的补丁

Patch Description:

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。

Linux kernel ‘ndisc_router_discovery()’函数（net/ipv6/ndisc.c）中存在拒绝服务漏洞。本地攻击者可通过特制的ICMP广播数据利用该漏洞将跳数限制设置成任意值，并造成拒绝服务（IPv6消息丢失）。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:

用户可参考如下供应商提供的安全公告获得补丁信息： http://www.ubuntu.com/usn/usn-2588-1/

Reference: http://www.ubuntu.com/usn/usn-2588-1/

Impacted products

Name
Linux Kernel

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-2922"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel \u2018ndisc_router_discovery()\u2019\u51fd\u6570\uff08net/ipv6/ndisc.c\uff09\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684ICMP\u5e7f\u64ad\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u8df3\u6570\u9650\u5236\u8bbe\u7f6e\u6210\u4efb\u610f\u503c\uff0c\u5e76\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08IPv6\u6d88\u606f\u4e22\u5931\uff09\u3002",
  "discovererName": "ubuntu",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-02932",
  "openTime": "2015-05-08",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002 \r\n\r\nLinux kernel \u2018ndisc_router_discovery()\u2019\u51fd\u6570\uff08net/ipv6/ndisc.c\uff09\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684ICMP\u5e7f\u64ad\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u8df3\u6570\u9650\u5236\u8bbe\u7f6e\u6210\u4efb\u610f\u503c\uff0c\u5e76\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08IPv6\u6d88\u606f\u4e22\u5931\uff09\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",
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  "serverity": "\u4f4e",
  "submitTime": "2015-05-07",
  "title": "Linux kernel \u0027ndisc_router_discovery()\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-2922 (GCVE-0-2015-2922)

Vulnerability from cvelistv5

Published

2015-05-27 10:00

Modified

2024-08-06 05:32

Severity ?

CWE

Summary

The ndisc_router_discovery function in net/ipv6/ndisc.c in the Neighbor Discovery (ND) protocol implementation in the IPv6 stack in the Linux kernel before 3.19.6 allows remote attackers to reconfigure a hop-limit setting via a small hop_limit value in a Router Advertisement (RA) message.

References

▼	URL	Tags
	http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155908.html	vendor-advisory, x_refsource_FEDORA
	http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155804.html	vendor-advisory, x_refsource_FEDORA
	http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html	x_refsource_CONFIRM
	http://www.debian.org/security/2015/dsa-3237	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html	vendor-advisory, x_refsource_SUSE
	http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155854.html	vendor-advisory, x_refsource_FEDORA
	http://www.securitytracker.com/id/1032417	vdb-entry, x_refsource_SECTRACK
	http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.6	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2015/04/04/2	mailing-list, x_refsource_MLIST
	https://bugzilla.redhat.com/show_bug.cgi?id=1203712	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2015-1534.html	vendor-advisory, x_refsource_REDHAT
	http://rhn.redhat.com/errata/RHSA-2015-1564.html	vendor-advisory, x_refsource_REDHAT
	https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html	vendor-advisory, x_refsource_SUSE
	http://www.securityfocus.com/bid/74315	vdb-entry, x_refsource_BID
	http://rhn.redhat.com/errata/RHSA-2015-1221.html	vendor-advisory, x_refsource_REDHAT
	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6fd99094de2b83d1d4c8457f2c83483b2828e75a	x_refsource_CONFIRM
	http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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            },
            {
              "name": "RHSA-2015:1564",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1564.html"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a",
              "refsource": "CONFIRM",
              "url": "https://github.com/torvalds/linux/commit/6fd99094de2b83d1d4c8457f2c83483b2828e75a"
            },
            {
              "name": "SUSE-SU-2015:1224",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html"
            },
            {
              "name": "74315",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/74315"
            },
            {
              "name": "RHSA-2015:1221",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1221.html"
            },
            {
              "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6fd99094de2b83d1d4c8457f2c83483b2828e75a",
              "refsource": "CONFIRM",
              "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6fd99094de2b83d1d4c8457f2c83483b2828e75a"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-2922",
    "datePublished": "2015-05-27T10:00:00",
    "dateReserved": "2015-04-04T00:00:00",
    "dateUpdated": "2024-08-06T05:32:20.794Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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