CVE-2012-6036

Severity: medium (CVSS 4.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-23 · updated 2026-06-16
Weakness: CWE-264

Description

The (1) memc_save_get_next_page, (2) tmemc_restore_put_page and (3) tmemc_restore_flush_page functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 do not check for negative id pools, which allows local guest OS users to cause a denial of service (memory corruption and host crash) or possibly execute arbitrary code via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

Affected products

xen: 4.0.0, 4.1.0, 4.2.0

References

http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
http://osvdb.org/85199
http://secunia.com/advisories/50472
http://secunia.com/advisories/55082
http://security.gentoo.org/glsa/glsa-201309-24.xml
http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
http://www.openwall.com/lists/oss-security/2012/09/05/8
http://www.securityfocus.com/bid/55410
http://www.securitytracker.com/id?1027482
https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
https://exchange.xforce.ibmcloud.com/vulnerabilities/80326
https://security.gentoo.org/glsa/201604-03

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