CVE-2017-12134
High
CVE-2017-12134
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.
Exploit probability
0.5%
Published
August 24, 2017
Required by
Not available
Last source change
April 16, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2017-12134
View original source
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.
05 / REFERENCES
Further evidence
- 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/