Published: 21/11/2018 Updated: 21/03/2019

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

The vcpu_scan_ioapic function in arch/x86/kvm/x86.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 ioapic is uninitialized.

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linux linux kernel
canonical ubuntu linux 16.04
canonical ubuntu linux 14.04
canonical ubuntu linux 18.10
canonical ubuntu linux 18.04

A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal) The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one(CVE-2018-16862) An issue was discovered in the Linux kernel through 419 An ...

Multiple regressions were fixed in the Linux kernel ...

Several security issues were fixed in the Linux kernel ...

USN-3878-1 introduced a regression in the Linux kernel ...

Several security issues were fixed in the Linux kernel ...

A NULL pointer dereference security flaw was found in the Linux kernel in the vcpu_scan_ioapic() function in arch/x86/kvm/x86c This allows local users with certain privileges to cause a denial of service via a crafted system call to the KVM subsystem ...

CVE-2018-19407

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