cnvd - cnvd-2015-07238

cnvd-2015-07238

Vulnerability from cnvd

Title: Xen存在多个内存泄露漏洞

Description:

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。

Xen 4.0版本至4.6.x版本中存在多个内存泄露漏洞，这些漏洞源于程序使用XEN_DOMCTL_max_vcpus超级调用分配vcpu指针数组内存；使用XENOPROF_get_buffer和XENOPROF_set_passive超级调用分配xenoprofile state vcpu指针数组内存。本地攻击者可利用这些漏洞，以特定的权限造成拒绝服务（内存损坏）。

Severity: 中

Patch Name: Xen存在多个内存泄露漏洞的补丁

Patch Description:

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.0版本至4.6.x版本中存在多个内存泄露漏洞，这些漏洞源于程序使用XEN_DOMCTL_max_vcpus超级调用分配vcpu指针数组内存；使用XENOPROF_get_buffer和XENOPROF_set_passive超级调用分配xenoprofile state vcpu指针数组内存。本地攻击者可利用这些漏洞，以特定的权限造成拒绝服务（内存损坏）。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://xenbits.xen.org/xsa/advisory-151.html http://xenbits.xen.org/xsa/advisory-149.html

Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-7969

Impacted products

Name
['Xen Xen 4.0.4', 'Xen Xen 4.1.6.1', 'Xen Xen 4.2.3', 'Xen Xen 4.3.4', 'Xen Xen 4.4.1', 'Xen Xen 4.5.1', 'Xen Xen 4.6.0']

Show details on source website

JSON

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CVE-2015-7969 (GCVE-0-2015-7969)

Vulnerability from cvelistv5

Published

2015-10-30 15:00

Modified

2024-08-06 08:06

Severity ?

CWE

Summary

Multiple memory leaks in Xen 4.0 through 4.6.x allow local guest administrators or domains with certain permission to cause a denial of service (memory consumption) via a large number of "teardowns" of domains with the vcpu pointer array allocated using the (1) XEN_DOMCTL_max_vcpus hypercall or the xenoprofile state vcpu pointer array allocated using the (2) XENOPROF_get_buffer or (3) XENOPROF_set_passive hypercall.

References

▼	URL	Tags
	http://support.citrix.com/article/CTX202404	x_refsource_CONFIRM
	http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html	vendor-advisory, x_refsource_FEDORA
	http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html	vendor-advisory, x_refsource_FEDORA
	http://www.securitytracker.com/id/1034033	vdb-entry, x_refsource_SECTRACK
	http://xenbits.xen.org/xsa/advisory-149.html	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-updates/2015-11/msg00063.html	vendor-advisory, x_refsource_SUSE
	http://www.debian.org/security/2015/dsa-3414	vendor-advisory, x_refsource_DEBIAN
	http://xenbits.xen.org/xsa/advisory-151.html	x_refsource_CONFIRM
	http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/201604-03	vendor-advisory, x_refsource_GENTOO
	http://www.securityfocus.com/bid/77364	vdb-entry, x_refsource_BID

Impacted products

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

Show details on NVD website

JSON

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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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