CVE-2017-12134

N/A
Published: August 24, 2017 at 02:00 PM UTC
Updated: June 17, 2026 at 01:02 AM UTC
2 products affected across 2 vendorsXenXenServer

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Severity
N/A
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xen· Xenwordpress-plugin
95%
All versions

References (10)

Mailing Listx_refsource_MLISTMitigationThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/4
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/100343
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1039176
x_refsource_CONFIRMMitigationPatchVendor Advisory
http://xenbits.xen.org/xsa/advisory-229.html
x_refsource_MISCIssue TrackingMitigationPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477656
Vendor Advisoryx_refsource_GENTOO
https://security.gentoo.org/glsa/201801-14
x_refsource_CONFIRMPatchThird Party Advisory
https://support.citrix.com/article/CTX225941

CVSS

Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-682

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