cnvd - cnvd-2015-00266

cnvd-2015-00266

Vulnerability from cnvd

Title: Linux Kernel 'vdso_addr()'函数本地安全绕过漏洞

Description:

Linux Kernel是Linux操作系统的内核。

Linux kernel 3.18.2及之前版本arch/x86/vdso/vma.c中的vdso_addr函数未能正确为VDSO区域选择存储单元，这使得本地用户通过在PMD的末端猜测的位置绕过ASLR保护机制。

Severity: 低

Patch Name: Linux Kernel 'vdso_addr()'函数本地安全绕过漏洞的补丁

Patch Description:

Linux Kernel是Linux操作系统的内核。Linux kernel 3.18.2及之前版本arch/x86/vdso/vma.c中的vdso_addr函数未能正确为VDSO区域选择存储单元，这使得本地用户通过在PMD的末端猜测的位置绕过ASLR保护机制。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://www.kernel.org/

Reference: http://www.securityfocus.com/bid/71990

Impacted products

Name
Linux Kernel <=3.18.2

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "71990"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9585"
    }
  },
  "description": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002 \r\n\r\nLinux kernel 3.18.2\u53ca\u4e4b\u524d\u7248\u672carch/x86/vdso/vma.c\u4e2d\u7684vdso_addr\u51fd\u6570\u672a\u80fd\u6b63\u786e\u4e3aVDSO\u533a\u57df\u9009\u62e9\u5b58\u50a8\u5355\u5143\uff0c\u8fd9\u4f7f\u5f97\u672c\u5730\u7528\u6237\u901a\u8fc7\u5728PMD\u7684\u672b\u7aef\u731c\u6d4b\u7684\u4f4d\u7f6e\u7ed5\u8fc7ASLR\u4fdd\u62a4\u673a\u5236\u3002",
  "discovererName": "Reno Robert",
  "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://www.kernel.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00266",
  "openTime": "2015-01-14",
  "patchDescription": "Linux Kernel\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\u7684\u5185\u6838\u3002Linux kernel 3.18.2\u53ca\u4e4b\u524d\u7248\u672carch/x86/vdso/vma.c\u4e2d\u7684vdso_addr\u51fd\u6570\u672a\u80fd\u6b63\u786e\u4e3aVDSO\u533a\u57df\u9009\u62e9\u5b58\u50a8\u5355\u5143\uff0c\u8fd9\u4f7f\u5f97\u672c\u5730\u7528\u6237\u901a\u8fc7\u5728PMD\u7684\u672b\u7aef\u731c\u6d4b\u7684\u4f4d\u7f6e\u7ed5\u8fc7ASLR\u4fdd\u62a4\u673a\u5236\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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  "referenceLink": "http://www.securityfocus.com/bid/71990",
  "serverity": "\u4f4e",
  "submitTime": "2015-01-13",
  "title": "Linux Kernel \u0027vdso_addr()\u0027\u51fd\u6570\u672c\u5730\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2014-9585 (GCVE-0-2014-9585)

Vulnerability from cvelistv5

Published

2015-01-09 21:00

Modified

2024-08-06 13:47

Severity ?

CWE

Summary

The vdso_addr function in arch/x86/vdso/vma.c in the Linux kernel through 3.18.2 does not properly choose memory locations for the vDSO area, which makes it easier for local users to bypass the ASLR protection mechanism by guessing a location at the end of a PMD.

References

▼	URL	Tags
	http://git.kernel.org/?p=linux/kernel/git/tip/tip.git%3Ba=commit%3Bh=fbe1bf140671619508dfa575d74a185ae53c5dbb	x_refsource_CONFIRM
	http://www.ubuntu.com/usn/USN-2515-1	vendor-advisory, x_refsource_UBUNTU
	http://www.debian.org/security/2015/dsa-3170	vendor-advisory, x_refsource_DEBIAN
	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html	vendor-advisory, x_refsource_SUSE
	http://rhn.redhat.com/errata/RHSA-2015-1778.html	vendor-advisory, x_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html	vendor-advisory, x_refsource_SUSE
	http://www.ubuntu.com/usn/USN-2514-1	vendor-advisory, x_refsource_UBUNTU
	http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148480.html	vendor-advisory, x_refsource_FEDORA
	http://www.openwall.com/lists/oss-security/2015/01/09/8	mailing-list, x_refsource_MLIST
	http://www.ubuntu.com/usn/USN-2518-1	vendor-advisory, x_refsource_UBUNTU
	http://rhn.redhat.com/errata/RHSA-2015-1787.html	vendor-advisory, x_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html	vendor-advisory, x_refsource_SUSE
	http://www.mandriva.com/security/advisories?name=MDVSA-2015:058	vendor-advisory, x_refsource_MANDRIVA
	http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html	vendor-advisory, x_refsource_SUSE
	http://www.securityfocus.com/bid/71990	vdb-entry, x_refsource_BID
	http://www.openwall.com/lists/oss-security/2014/12/09/10	mailing-list, x_refsource_MLIST
	http://www.ubuntu.com/usn/USN-2517-1	vendor-advisory, x_refsource_UBUNTU
	http://v0ids3curity.blogspot.in/2014/12/return-to-vdso-using-elf-auxiliary.html	x_refsource_MISC
	http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html	vendor-advisory, x_refsource_SUSE
	http://www.ubuntu.com/usn/USN-2516-1	vendor-advisory, x_refsource_UBUNTU
	http://www.ubuntu.com/usn/USN-2513-1	vendor-advisory, x_refsource_UBUNTU
	http://git.kernel.org/?p=linux/kernel/git/luto/linux.git%3Ba=commit%3Bh=bc3b94c31d65e761ddfe150d02932c65971b74e2	x_refsource_MISC
	http://rhn.redhat.com/errata/RHSA-2015-1081.html	vendor-advisory, x_refsource_REDHAT

Impacted products

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

Show details on NVD website

JSON

To clipboard

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              "lang": "eng",
              "value": "The vdso_addr function in arch/x86/vdso/vma.c in the Linux kernel through 3.18.2 does not properly choose memory locations for the vDSO area, which makes it easier for local users to bypass the ASLR protection mechanism by guessing a location at the end of a PMD."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=fbe1bf140671619508dfa575d74a185ae53c5dbb",
              "refsource": "CONFIRM",
              "url": "http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=fbe1bf140671619508dfa575d74a185ae53c5dbb"
            },
            {
              "name": "USN-2515-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2515-1"
            },
            {
              "name": "DSA-3170",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2015/dsa-3170"
            },
            {
              "name": "SUSE-SU-2015:0736",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html"
            },
            {
              "name": "SUSE-SU-2015:0652",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html"
            },
            {
              "name": "RHSA-2015:1778",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1778.html"
            },
            {
              "name": "SUSE-SU-2015:0178",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html"
            },
            {
              "name": "USN-2514-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2514-1"
            },
            {
              "name": "FEDORA-2015-0937",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148480.html"
            },
            {
              "name": "[oss-security] 20150109 Re: PIE bypass using VDSO ASLR weakness - Linux kernel",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/01/09/8"
            },
            {
              "name": "USN-2518-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2518-1"
            },
            {
              "name": "RHSA-2015:1787",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1787.html"
            },
            {
              "name": "SUSE-SU-2015:0481",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html"
            },
            {
              "name": "MDVSA-2015:058",
              "refsource": "MANDRIVA",
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:058"
            },
            {
              "name": "openSUSE-SU-2015:0566",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html"
            },
            {
              "name": "71990",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/71990"
            },
            {
              "name": "[oss-security] 20141209 PIE bypass using VDSO ASLR weakness",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2014/12/09/10"
            },
            {
              "name": "USN-2517-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2517-1"
            },
            {
              "name": "http://v0ids3curity.blogspot.in/2014/12/return-to-vdso-using-elf-auxiliary.html",
              "refsource": "MISC",
              "url": "http://v0ids3curity.blogspot.in/2014/12/return-to-vdso-using-elf-auxiliary.html"
            },
            {
              "name": "openSUSE-SU-2015:0714",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html"
            },
            {
              "name": "USN-2516-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2516-1"
            },
            {
              "name": "USN-2513-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2513-1"
            },
            {
              "name": "http://git.kernel.org/?p=linux/kernel/git/luto/linux.git;a=commit;h=bc3b94c31d65e761ddfe150d02932c65971b74e2",
              "refsource": "MISC",
              "url": "http://git.kernel.org/?p=linux/kernel/git/luto/linux.git;a=commit;h=bc3b94c31d65e761ddfe150d02932c65971b74e2"
            },
            {
              "name": "RHSA-2015:1081",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-1081.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2014-9585",
    "datePublished": "2015-01-09T21:00:00",
    "dateReserved": "2015-01-09T00:00:00",
    "dateUpdated": "2024-08-06T13:47:41.817Z",
    "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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