CVE-2012-5513

Home/CVE/The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV gue

CVE

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV gue

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

MEDIUM · CVSS 6.9 EPSS 0.00143

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

▤

Affected Products & Versions

xen<= 4.2.0

xenall versions

▣

Scoring & Timeline

6.9

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

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:M/Au:N/C:C/I:C/A:C

Published to NVD13 Dec 2012 · 11:53 AM

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10196-1
suse-csafSUSE-SU-2015:0944-1
rhsaRHSA-2012:1540Important
suse-csafSUSE-SU-2015:0940-1

🔗

References & Sources

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

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html

http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html

Show all 23 references

http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html

http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html

http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html

http://rhn.redhat.com/errata/RHSA-2012-1540.html

http://secunia.com/advisories/51397Vendor Advisory

http://secunia.com/advisories/51468Vendor Advisory

http://secunia.com/advisories/51486Vendor Advisory

http://secunia.com/advisories/51487Vendor Advisory

http://secunia.com/advisories/51495Vendor Advisory

http://secunia.com/advisories/55082

http://security.gentoo.org/glsa/glsa-201309-24.xml

http://support.citrix.com/article/CTX135777

http://www.debian.org/security/2012/dsa-2582

http://www.openwall.com/lists/oss-security/2012/12/03/11

http://www.osvdb.org/88131

http://www.securityfocus.com/bid/56797

https://exchange.xforce.ibmcloud.com/vulnerabilities/80482

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