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CVE-2014-8369

Date: November 10, 2014

The kvm_iommu_map_pages function in virt/kvm/iommu.c in the Linux kernel through 3.17.2 miscalculates the number of pages during the handling of a mapping failure, which allows guest OS users to cause a denial of service (host OS page unpinning) or possibly have unspecified other impact by leveraging guest OS privileges. NOTE: this vulnerability exists because of an incorrect fix for CVE-2014-3601.

Language: C

Severity Score

7.8

Related Resources (18)

Url: http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html

Url: https://github.com/torvalds/linux/commit/3d32e4dbe71374a6780eaf51d719d76f9a9bf22f

Url: http://rhn.redhat.com/errata/RHSA-2015-0674.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1156518

Url: https://nvd.nist.gov/vuln/detail/CVE-2014-8369

Url: http://www.debian.org/security/2014/dsa-3093

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2014-8369

Url: https://access.redhat.com/security/cve/CVE-2014-8369

Url: http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html

Url: http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html

Url: http://www.securityfocus.com/bid/70747

Url: http://www.openwall.com/lists/oss-security/2014/10/24/7

Url: http://www.securityfocus.com/bid/70749

Url: https://lkml.org/lkml/2014/10/24/460

Url: http://secunia.com/advisories/62326

Url: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3d32e4dbe71374a6780eaf51d719d76f9a9bf22f

Url: http://secunia.com/advisories/62336

Url: https://www.mend.io/vulnerability-database/CVE-2014-8369

Severity Score

7.8

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Numeric Errors

CWE-189

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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CVE-2014-8369

Date: November 10, 2014

Language: C

Severity Score

Related Resources (18)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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