CVE-2017-12134
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
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.12.12-1 |
| sid | Fixed | 4.12.12-1 |
| forky | Fixed | 4.12.12-1 |
| bullseye | Fixed | 4.12.12-1 |
| bookworm | 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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.