CVE-2018-20191

Description

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).

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.62% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/106276 third party advisory vdb entry
http://www.openwall.com/lists/oss-security/2018/12/18/1 patch mailing list third party advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.html patch mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ vendor advisory
https://usn.ubuntu.com/3923-1/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-20191?
CVE-2018-20191 has been scored as a high severity vulnerability.
How to fix CVE-2018-20191?
To fix CVE-2018-20191, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20191 being actively exploited in the wild?
It is possible that CVE-2018-20191 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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