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CVE
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CVE-2018-20124Date: (C)2018-12-26   (M)2019-06-07


hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 2.1
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-106290
USN-3923-1
http://www.openwall.com/lists/oss-security/2018/12/18/2
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html

CPE    3
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
cpe:/a:qemu:qemu:-
CWE    1
CWE-125
OVAL    2
oval:org.secpod.oval:def:1900881
oval:org.secpod.oval:def:704851
XCCDF    1
CWE-125

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