CVE-2015-2151

Home/CVE/The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register op

CVE

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register op

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

HIGH · CVSS 7.2 EPSS 0.00235

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

fedoraproject fedoraall versions
debian linuxall versions
xenall versions

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Scoring & Timeline

7.2

HIGH · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Published to NVD12 Mar 2015 · 02:59 PM

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Vendor Advisories

suse-csafSUSE-SU-2015:0745-1
suse-csafSUSE-SU-2015:0746-1
suse-csafSUSE-SU-2015:0747-1
rhsaRHSA-2016:0450Important
suse-csafSUSE-SU-2015:0613-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152483.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152588.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152776.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00014.html

http://support.citrix.com/article/CTX200484

Show all 14 references

http://www.debian.org/security/2015/dsa-3181Third Party Advisory

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.securityfocus.com/bid/73015

http://www.securitytracker.com/id/1031806Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1031903Third Party AdvisoryVDB Entry

http://www1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-423503.htm

http://xenbits.xen.org/xsa/advisory-123.htmlPatchVendor Advisory

https://security.gentoo.org/glsa/201604-03

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