CVE-2015-7311
low
CVSS v3
—
CVSS v2
3.6
VIR risk
3.6
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-7311
Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-142.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.8.0~rc3-1 |
| debian | bullseye | fixed | 4.8.0~rc3-1 |
| debian | forky | fixed | 4.8.0~rc3-1 |
| debian | sid | fixed | 4.8.0~rc3-1 |
| debian | trixie | fixed | 4.8.0~rc3-1 |
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
- https://security-tracker.debian.org/tracker/CVE-2015-7311
CWEs
CWE-17
Verify integrity in audit chain (admin only). AS-IS.