5.5

CVE-2018-19407

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 4.19.2
Canonical ≫ Ubuntu Linux Version14.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.10
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.08% 0.244
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4.9 3.9 6.9
AV:L/AC:L/Au:N/C:N/I:N/A:C
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://usn.ubuntu.com/3871-1/
Third Party Advisory
https://usn.ubuntu.com/3871-3/
Third Party Advisory
https://usn.ubuntu.com/3871-4/
Third Party Advisory
https://usn.ubuntu.com/3871-5/
Third Party Advisory
https://usn.ubuntu.com/3879-1/
Third Party Advisory
https://usn.ubuntu.com/3879-2/
Third Party Advisory
https://usn.ubuntu.com/3872-1/
Third Party Advisory
https://usn.ubuntu.com/3878-1/
Third Party Advisory
https://usn.ubuntu.com/3878-2/
Third Party Advisory
http://www.securityfocus.com/bid/105987
Third Party Advisory
VDB Entry
https://lkml.org/lkml/2018/11/20/580
Patch
Third Party Advisory