Vulnerability-Lookup

CNVD-2016-02778

Vulnerability from cnvd - Published: 2016-05-06

Title

Linux kernel 'mm/filemap.c'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 2.6.25之前版本的mm/filemap.c文件中存在拒绝服务漏洞。本地攻击者可利用该漏洞借助writev调用（在非零长度的iovec的页面错误后触发零长度的iovec），造成拒绝服务（无限循环）。

Severity

低

Patch Name

Linux kernel 'mm/filemap.c'拒绝服务漏洞的补丁

Patch Description

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-2.6.25

Reference

http://www.openwall.com/lists/oss-security/2016/01/24/6 http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.25 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=124d3b7041f9a0ca7c43a6293e1cae4576c32fd5

Impacted products

Name
Linux Kernel <2.6.25

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2008-7316"
    }
  },
  "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 2.6.25\u4e4b\u524d\u7248\u672c\u7684mm/filemap.c\u6587\u4ef6\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9writev\u8c03\u7528\uff08\u5728\u975e\u96f6\u957f\u5ea6\u7684iovec\u7684\u9875\u9762\u9519\u8bef\u540e\u89e6\u53d1\u96f6\u957f\u5ea6\u7684iovec\uff09\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
  "discovererName": "Andrej Nemec",
  "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-2.6.25",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02778",
  "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 2.6.25\u4e4b\u524d\u7248\u672c\u7684mm/filemap.c\u6587\u4ef6\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u501f\u52a9writev\u8c03\u7528\uff08\u5728\u975e\u96f6\u957f\u5ea6\u7684iovec\u7684\u9875\u9762\u9519\u8bef\u540e\u89e6\u53d1\u96f6\u957f\u5ea6\u7684iovec\uff09\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\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 \u0027mm/filemap.c\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c2.6.25"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/01/24/6\r\nhttp://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.25\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=124d3b7041f9a0ca7c43a6293e1cae4576c32fd5",
  "serverity": "\u4f4e",
  "submitTime": "2016-05-04",
  "title": "Linux kernel \u0027mm/filemap.c\u0027\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2008-7316 (GCVE-0-2008-7316)

Vulnerability from cvelistv5 – Published: 2016-05-02 10:00 – Updated: 2024-08-07 12:03

Summary

mm/filemap.c in the Linux kernel before 2.6.25 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers an iovec of zero length, followed by a page fault for an iovec of nonzero length.

Severity

No CVSS data available.

CWE

Assigner

debian

References

5 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/01/24/6	mailing-listx_refsource_MLIST
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/124d3b70…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1302009	x_refsource_CONFIRM
http://mirror.linux.org.au/linux/kernel/v2.6/Chan…	x_refsource_CONFIRM

Date Public

2008-04-16 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2016-02778

CVE-2008-7316 (GCVE-0-2008-7316)

Tags

Sightings

Nomenclature