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CVE
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CVE-2014-8369Date: (C)2014-11-13   (M)2024-03-25


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 4.6
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
SECUNIA-62326
SECUNIA-62336
BID-70747
BID-70749
DSA-3093
RHSA-2015:0674
SUSE-SU-2015:0481
SUSE-SU-2015:0736
https://lkml.org/lkml/2014/10/24/460
http://www.openwall.com/lists/oss-security/2014/10/24/7
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3d32e4dbe71374a6780eaf51d719d76f9a9bf22f
https://bugzilla.redhat.com/show_bug.cgi?id=1156518
https://github.com/torvalds/linux/commit/3d32e4dbe71374a6780eaf51d719d76f9a9bf22f
openSUSE-SU-2015:0566

CPE    2
cpe:/o:debian:debian_linux:7.0
cpe:/o:linux:linux_kernel
CWE    1
CWE-119
OVAL    28
oval:org.secpod.oval:def:601862
oval:org.secpod.oval:def:1500939
oval:org.secpod.oval:def:702341
oval:org.secpod.oval:def:1500941
...

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