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CVE
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CVE-2018-19407Date: (C)2019-03-29   (M)2024-03-26


The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 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 ioapic is uninitialized.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 4.9
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 3.6Impact Score: 6.9
 
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: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-105987
USN-3871-1
USN-3871-3
USN-3871-4
USN-3871-5
USN-3872-1
USN-3878-1
USN-3878-2
USN-3879-1
USN-3879-2
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lkml.org/lkml/2018/11/20/580

CPE    4
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/o:linux:linux_kernel
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
cpe:/o:canonical:ubuntu_linux:14.04::~~lts~~~
...
CWE    1
CWE-476
OVAL    34
oval:org.secpod.oval:def:89003387
oval:org.secpod.oval:def:704488
oval:org.secpod.oval:def:1502419
oval:org.secpod.oval:def:704482
...

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