CVE-2018-20191

HIGH 7.5CVE-2018-20191 · Published 20/12/2018 · updated 17/06/2026

In short

CVE-2018-20191 is a HIGH (CVSS 7.5) vulnerability affecting qemu (qemu).
Chance of exploitation in the next 30 days (EPSS): 3.7%, higher than 89.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
qemu qemu	`≤ 3.1.0`	No fix yet

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).

References

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

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Package

Affected versions

Patched versions

qemu

≤ 3.1.0

No fix yet

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