cnvd - cnvd-2016-02794

cnvd-2016-02794

Vulnerability from cnvd

Title: Linux kernel ext4实现拒绝服务漏洞

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 2.6.34之前版本的ext4实现过程中存在安全漏洞，该漏洞源于程序未能正确跟踪特定数据结构体的初始化。攻击者可借助特制的USB设备利用该漏洞造成拒绝服务（空指针逆向引用和系统意外终止）。

Severity: 低

Patch Name: Linux kernel ext4实现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 2.6.34之前版本的ext4实现过程中存在安全漏洞，该漏洞源于程序未能正确跟踪特定数据结构体的初始化。攻击者可借助特制的USB设备利用该漏洞造成拒绝服务（空指针逆向引用和系统意外终止）。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:

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1267261

Impacted products

Name
Linux Kernel <2.6.34

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8324"
    }
  },
  "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 2.6.34\u4e4b\u524d\u7248\u672c\u7684ext4\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u8ddf\u8e2a\u7279\u5b9a\u6570\u636e\u7ed3\u6784\u4f53\u7684\u521d\u59cb\u5316\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684USB\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u7cfb\u7edf\u610f\u5916\u7ec8\u6b62\uff09\u3002",
  "discovererName": "Linux",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02794",
  "openTime": "2016-05-06",
  "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 2.6.34\u4e4b\u524d\u7248\u672c\u7684ext4\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u8ddf\u8e2a\u7279\u5b9a\u6570\u636e\u7ed3\u6784\u4f53\u7684\u521d\u59cb\u5316\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684USB\u8bbe\u5907\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\u548c\u7cfb\u7edf\u610f\u5916\u7ec8\u6b62\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",
  "patchName": "Linux kernel ext4\u5b9e\u73b0\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c2.6.34"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1267261",
  "serverity": "\u4f4e",
  "submitTime": "2016-05-03",
  "title": "Linux kernel ext4\u5b9e\u73b0\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-8324 (GCVE-0-2015-8324)

Vulnerability from cvelistv5

Published

2016-05-02 10:00

Modified

2024-08-06 08:13

Severity ?

CWE

Summary

The ext4 implementation in the Linux kernel before 2.6.34 does not properly track the initialization of certain data structures, which allows physically proximate attackers to cause a denial of service (NULL pointer dereference and panic) via a crafted USB device, related to the ext4_fill_super function.

References

▼	URL	Tags
	http://rhn.redhat.com/errata/RHSA-2016-0855.html	vendor-advisory, x_refsource_REDHAT
	http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1267261	x_refsource_CONFIRM
	http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34	x_refsource_CONFIRM
	https://github.com/torvalds/linux/commit/744692dc059845b2a3022119871846e74d4f6e11	x_refsource_CONFIRM
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2015/11/23/2	mailing-list, x_refsource_MLIST

Impacted products

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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T08:13:32.256Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "RHSA-2016:0855",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-0855.html"
          },
          {
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              "x_transferred"
            ],
            "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html"
          },
          {
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              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1267261"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.34"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/744692dc059845b2a3022119871846e74d4f6e11"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11"
          },
          {
            "name": "[oss-security] 20151123 CVE request -- linux kernel: Null pointer dereference when mounting ext4 filesystem",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2015/11/23/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2010-05-16T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "The ext4 implementation in the Linux kernel before 2.6.34 does not properly track the initialization of certain data structures, which allows physically proximate attackers to cause a denial of service (NULL pointer dereference and panic) via a crafted USB device, related to the ext4_fill_super function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2016-11-25T22:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2016:0855",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
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          "url": "https://github.com/torvalds/linux/commit/744692dc059845b2a3022119871846e74d4f6e11"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=744692dc059845b2a3022119871846e74d4f6e11"
        },
        {
          "name": "[oss-security] 20151123 CVE request -- linux kernel: Null pointer dereference when mounting ext4 filesystem",
          "tags": [
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          ],
          "url": "http://www.openwall.com/lists/oss-security/2015/11/23/2"
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  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
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    "dateReserved": "2015-11-23T00:00:00",
    "dateUpdated": "2024-08-06T08:13:32.256Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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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