CVE-2017-8904
high
CVSS v3
8.8
CVSS v4 NEW
—
VIR risk
8.8
Description
Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.
Predictions
Exploit likelihood
82%
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 | bookworm | fixed | 4.8.1-1+deb9u1 |
| debian | bullseye | fixed | 4.8.1-1+deb9u1 |
| debian | forky | fixed | 4.8.1-1+deb9u1 |
| debian | sid | fixed | 4.8.1-1+deb9u1 |
| debian | trixie | fixed | 4.8.1-1+deb9u1 |
References
- http://www.securityfocus.com/bid/98428
- http://www.securitytracker.com/id/1038387
- https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/
- https://security.gentoo.org/glsa/201705-11
- https://xenbits.xen.org/xsa/advisory-214.html
- https://www.suse.com/security/cve/CVE-2017-8904.html
- https://security-tracker.debian.org/tracker/CVE-2017-8904
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.