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Vulnerable Software

Vulnerability Details CVE-2010-4255

The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.008

EPSS Ranking 73.1%

CVSS Severity

CVSS v2 Score 6.1

References

Products affected by CVE-2010-4255

Citrix » Xen » Version: Any

cpe:2.3:a:citrix:xen:*
Citrix » Xen » Version: 3.0.2

cpe:2.3:a:citrix:xen:3.0.2
Citrix » Xen » Version: 3.0.3

cpe:2.3:a:citrix:xen:3.0.3
Citrix » Xen » Version: 3.0.4

cpe:2.3:a:citrix:xen:3.0.4
Citrix » Xen » Version: 3.1.2

cpe:2.3:a:citrix:xen:3.1.2
Citrix » Xen » Version: 3.1.3

cpe:2.3:a:citrix:xen:3.1.3
Citrix » Xen » Version: 3.1.4

cpe:2.3:a:citrix:xen:3.1.4
Citrix » Xen » Version: 3.2.0

cpe:2.3:a:citrix:xen:3.2.0
Citrix » Xen » Version: 3.2.1

cpe:2.3:a:citrix:xen:3.2.1
Citrix » Xen » Version: 3.2.2

cpe:2.3:a:citrix:xen:3.2.2
Citrix » Xen » Version: 3.2.3

cpe:2.3:a:citrix:xen:3.2.3
Citrix » Xen » Version: 3.3.0

cpe:2.3:a:citrix:xen:3.3.0
Citrix » Xen » Version: 3.3.1

cpe:2.3:a:citrix:xen:3.3.1
Citrix » Xen » Version: 3.3.2

cpe:2.3:a:citrix:xen:3.3.2
Citrix » Xen » Version: 3.4.0

cpe:2.3:a:citrix:xen:3.4.0
Citrix » Xen » Version: 3.4.1

cpe:2.3:a:citrix:xen:3.4.1
Citrix » Xen » Version: 3.4.2

cpe:2.3:a:citrix:xen:3.4.2
Citrix » Xen » Version: 3.4.3

cpe:2.3:a:citrix:xen:3.4.3
Citrix » Xen » Version: 4.0.0

cpe:2.3:a:citrix:xen:4.0.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2010-4255

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