CVE-2017-10911

Summary

CVECVE-2017-10911
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-07-05 01:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe make_response function in drivers/block/xen-blkback/blkback.c in the Linux kernel before 4.11.8 allows guest OS users to obtain sensitive information from host OS (or other guest OS) kernel memory by leveraging the copying of uninitialized padding fields in Xen block-interface response structures, aka XSA-216.

Risk And Classification

Primary CVSS: v3.0 6.5 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Problem Types: CWE-200 | n/a


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
2.0[email protected]Primary4.9AV:L/AC:L/Au:N/C:C/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:L/AC:L/Au:N/C:C/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-3920-1 qemu af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Debian -- Security Information -- DSA-3945-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
xen-blkback: don't leak stack data via response ring · torvalds/linux@089bc01 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.8 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Mailing List, Third Party Advisory
XSA-216 - Xen Security Advisories af854a3a-2127-422b-91ae-364da2661108 xenbits.xen.org Mitigation, Vendor Advisory
Debian -- Security Information -- DSA-3927-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
[SECURITY] [DLA 1497-1] qemu security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
Xen Block Interface Response Initialization Error Lets Local Guest System Users Obtain Potentially Sensitive Information from Other Guest Systems or the Host System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Xen 'blkif' Response Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Third Party Advisory
Gentoo Linux — Error 404 (Not Found) af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500816 Alpine Linux Security Update for xen
  • 504559 Alpine Linux Security Update for xen

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