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CVE-2018-19406

Published: 21/11/2018 Updated: 19/12/2018
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

kvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel up to and including 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.

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Vendor Advisories

Red Hat: CVE-2018-19406
A NULL pointer dereference security flaw was found in the Linux kernel in kvm_pv_send_ipi() in arch/x86/kvm/lapicc This allows local users with certain privileges to cause a denial of service via a crafted system call to the KVM subsystem ...

References

CWE-476https://lkml.org/lkml/2018/11/20/411http://www.securityfocus.com/bid/105988https://nvd.nist.govhttps://access.redhat.com/security/cve/cve-2018-19406
VMScore
CVSSv2
CVSSv3
VMScore
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