cnvd - cnvd-2017-01300

cnvd-2017-01300

Vulnerability from cnvd

Title: Linux Kernel缓冲区溢出漏洞（CNVD-2017-01300）

Description:

Linux Kernel是Linux操作系统的内核。

Linux kernel 4.9.7之前的版本，VideoCore DRM驱动程序中drivers/gpu/drm/vc4/vc4_gem.c/vc4_get_bcl函数存在安全漏洞。本地用户用VC4_SUBMIT_CL ioctl调用内不同的大小值，可造成拒绝服务。

Severity: 中

Patch Name: Linux Kernel缓冲区溢出漏洞（CNVD-2017-01300）的补丁

Patch Description:

Linux Kernel是Linux操作系统的内核。

Linux kernel 4.9.7之前的版本，VideoCore DRM驱动程序中drivers/gpu/drm/vc4/vc4_gem.c/vc4_get_bcl函数存在安全漏洞。本地用户用VC4_SUBMIT_CL ioctl调用内不同的大小值，可造成拒绝服务。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这个安全问题，请到厂商的主页下载： https://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9 https://bugzilla.redhat.com/show_bug.cgi?id=1416437 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7

Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5577

Impacted products

Name
Linux Kernel <4.9.7

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "95765"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-5577"
    }
  },
  "description": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.9.7\u4e4b\u524d\u7684\u7248\u672c\uff0cVideoCore DRM\u9a71\u52a8\u7a0b\u5e8f\u4e2ddrivers/gpu/drm/vc4/vc4_gem.c/vc4_get_bcl\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u7528\u6237\u7528VC4_SUBMIT_CL ioctl\u8c03\u7528\u5185\u4e0d\u540c\u7684\u5927\u5c0f\u503c\uff0c\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Murray McAllister",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1416437\r\nhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9\r\nhttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-01300",
  "openTime": "2017-02-14",
  "patchDescription": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 4.9.7\u4e4b\u524d\u7684\u7248\u672c\uff0cVideoCore DRM\u9a71\u52a8\u7a0b\u5e8f\u4e2ddrivers/gpu/drm/vc4/vc4_gem.c/vc4_get_bcl\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u7528\u6237\u7528VC4_SUBMIT_CL ioctl\u8c03\u7528\u5185\u4e0d\u540c\u7684\u5927\u5c0f\u503c\uff0c\u53ef\u9020\u6210\u62d2\u7edd\u670d\u52a1\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-01300\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c4.9.7"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5577",
  "serverity": "\u4e2d",
  "submitTime": "2017-02-08",
  "title": "Linux Kernel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-01300\uff09"
}

CVE-2017-5577 (GCVE-0-2017-5577)

Vulnerability from cvelistv5

Published

2017-02-06 06:04

Modified

2024-08-05 15:04

Severity ?

CWE

Summary

The vc4_get_bcl function in drivers/gpu/drm/vc4/vc4_gem.c in the VideoCore DRM driver in the Linux kernel before 4.9.7 does not set an errno value upon certain overflow detections, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) via inconsistent size values in a VC4_SUBMIT_CL ioctl call.

References

▼	URL	Tags
	http://www.openwall.com/lists/oss-security/2017/01/21/7	mailing-list, x_refsource_MLIST
	http://www.securityfocus.com/bid/95765	vdb-entry, x_refsource_BID
	https://github.com/torvalds/linux/commit/6b8ac63847bc2f958dd93c09edc941a0118992d9	x_refsource_CONFIRM
	https://lkml.org/lkml/2017/1/17/759	mailing-list, x_refsource_MLIST
	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1416437	x_refsource_CONFIRM
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6b8ac63847bc2f958dd93c09edc941a0118992d9	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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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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