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CVE
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CVE-2010-0419Date: (C)2010-03-05   (M)2024-02-22


The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not properly restrict writing of segment selectors to segment registers, which might allow guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, and replacing an instruction in between emulator entry and instruction fetch.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.4
Exploit Score: 3.4
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
SECTRACK-1023663
BID-38467
RHSA-2010:0126
https://bugzilla.redhat.com/show_bug.cgi?id=563463
kernel-selectors-privilege-escalation(56662)
oval:org.mitre.oval:def:10139

CWE    1
CWE-264
OVAL    4
oval:org.mitre.oval:def:7147
oval:org.secpod.oval:def:600086
oval:org.secpod.oval:def:201765
oval:org.secpod.oval:def:700028
...

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