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VULNERABILITIES

CVE-2018-20191 Details

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).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/ CVE
https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.html CVEPatchThird Party Advisory
https://usn.ubuntu.com/3923-1/ CVEThird Party Advisory
http://www.openwall.com/lists/oss-security/2018/12/18/1 CVEMailing ListPatchThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
qemu qemu
<= 3.1.0

CPE

  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
14.04
16.04
18.04
18.10

CPE

  • 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:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
29
30

CPE

  • cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-20191
NVD Published Date:
Dec 20, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-20191 Details - Not Deferred