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Servers and applications

CVE-2012-6036

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…

Severity
Medium 4.4
Published
23 Nov 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 37% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Needs local access · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:L/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

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.

From NVD.

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.0.0
  • Version 4.1.0
  • Version 4.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-6036
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-6036