High severity7.5OSV Advisory· Published Dec 20, 2018· Updated Jun 17, 2026
CVE-2018-20191
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- www.openwall.com/lists/oss-security/2018/12/18/1nvdMailing ListPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.htmlnvdPatchThird Party Advisory
- www.securityfocus.com/bid/106276nvdThird Party AdvisoryVDB Entry
- usn.ubuntu.com/3923-1/nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/nvd
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