UpHeron
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Servers and applications

CVE-2014-1950

Use-after-free vulnerability in the xc_cpupool_getinfo function in Xen 4.1.x through 4.3.x, when using a multithreaded toolstack, does not properly handle a failure by the xc_cpumap_alloc function, which allows local users with access to management functions to cause a denial of service (heap corruption) and possibly gain privileges via unspecified vectors.

Severity
Medium 4.6
Published
14 Feb 2014
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 32% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Needs local access · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.3.1
  • Version 4.3.0
  • Version 4.2.3
  • Version 4.2.2
All 12 release lines
  • Version 4.1.1
  • Version 4.1.2
  • Version 4.1.3
  • Version 4.1.4
  • Version 4.1.5
  • Version 4.1.6.1
  • Version 4.2.0
  • Version 4.2.1
  • Version 4.2.2
  • Version 4.2.3
  • Version 4.3.0
  • Version 4.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2014-1950
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2014-1950