CVE-2017-12134
high
CVSS v3
8.8
VIR risk
8.8
Description
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
Predictions
Exploit likelihood
82%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.12.12-1 |
| debian | bullseye | fixed | 4.12.12-1 |
| debian | forky | fixed | 4.12.12-1 |
| debian | sid | fixed | 4.12.12-1 |
| debian | trixie | fixed | 4.12.12-1 |
References
- http://www.debian.org/security/2017/dsa-3981
- http://www.openwall.com/lists/oss-security/2017/08/15/4
- http://www.securityfocus.com/bid/100343
- http://www.securitytracker.com/id/1039176
- http://xenbits.xen.org/xsa/advisory-229.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1477656
- https://security.gentoo.org/glsa/201801-14
- https://support.citrix.com/article/CTX225941
- https://usn.ubuntu.com/3655-1/
- https://usn.ubuntu.com/3655-2/
- https://www.suse.com/security/cve/CVE-2017-12134.html
- https://security-tracker.debian.org/tracker/CVE-2017-12134
CWEs
CWE-682
💬 Discuss CVE-2017-12134 on VIR Community →
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.