CVE-2017-12136
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
| debian | bookworm | fixed | 4.8.1-1+deb9u3 |
| debian | bullseye | fixed | 4.8.1-1+deb9u3 |
| debian | forky | fixed | 4.8.1-1+deb9u3 |
| debian | sid | fixed | 4.8.1-1+deb9u3 |
| debian | trixie | fixed | 4.8.1-1+deb9u3 |
References
- http://www.debian.org/security/2017/dsa-3969
- http://www.openwall.com/lists/oss-security/2017/08/15/3
- http://www.securityfocus.com/bid/100346
- http://www.securitytracker.com/id/1039175
- http://xenbits.xen.org/xsa/advisory-228.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1477651
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX225941
- https://www.suse.com/security/cve/CVE-2017-12136.html
- https://security-tracker.debian.org/tracker/CVE-2017-12136
CWEs
CWE-362
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.