7.5

CVE-2018-20191

hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Qemu ≫ Qemu Version <= 3.1.0
Canonical ≫ Ubuntu Linux Version14.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version16.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.04 SwEditionlts
Canonical ≫ Ubuntu Linux Version18.10
Fedoraproject ≫ Fedora Version29
Fedoraproject ≫ Fedora Version30
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.73% 0.884
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

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

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
https://usn.ubuntu.com/3923-1/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
http://www.openwall.com/lists/oss-security/2018/12/18/1
Patch
Third Party Advisory
Mailing List
http://www.securityfocus.com/bid/106276
Third Party Advisory
VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.html
Patch
Third Party Advisory