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.

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/

Details

Risk Information

CVSS v2

CVSS v3