All vulnerabilities

Servers and applications

CVE-2015-7311

libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.

Severity
Low 3.6
Published
1 Oct 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 36% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-17
Attack
Needs local access · No login needed
Attacker can
Change some data · Slow it down
CVSS vector
AV:L/AC:L/Au:N/C:N/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.5.1
  • Version 4.5.0
  • Version 4.4.1
  • Version 4.4.0
All 23 release lines
  • Version 4.1.0
  • 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 4.2.4
  • Version 4.2.5
  • Version 4.3.0
  • Version 4.3.1
  • Version 4.3.2
  • Version 4.3.3
  • Version 4.3.4
  • Version 4.4.0-rc1
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.5.0
  • Version 4.5.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-7311
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-7311