Description
In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
linux
oss-projectaka the linux kernel
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
АО «ИВК»
commercial·RUaka ivk
АО «Концерн ВНИИНС»
commercial·RUaka ao konsern vniins
Exploitability
2 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Collection
Privilege Escalation
References
http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
packetstormsecurity.com
http://www.openwall.com/lists/oss-security/2020/01/30/4
openwall.com
https://bugzilla.redhat.com/show_bug.cgi?id=1792167
bugzilla.redhat.com
and 47 more references View all →
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