CVE-2015-7311

Severity: low (CVSS 3.6 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: 2015-10-01 · updated 2026-06-17
Weakness: CWE-17

Description

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.

Affected products

xen: 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5 (+17)

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html
http://www.debian.org/security/2015/dsa-3414
http://www.securityfocus.com/bid/76823
http://www.securitytracker.com/id/1033633
http://xenbits.xen.org/xsa/advisory-142.html
https://bugzilla.redhat.com/show_bug.cgi?id=1257893
https://security.gentoo.org/glsa/201604-03
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167077.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html

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