NULL Pointer Dereference Affecting qemu package, versions <1:4.1-1
Snyk CVSS
Attack Complexity
Low
Availability
High
Threat Intelligence
EPSS
1.26% (86th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIAN11-QEMU-524831
- published 19 Dec 2018
- disclosed 20 Dec 2018
Introduced: 19 Dec 2018
CVE-2018-20191 Open this link in a new tabHow to fix?
Upgrade Debian:11
qemu
to version 1:4.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:11
relevant fixed versions and status.
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
- https://security-tracker.debian.org/tracker/CVE-2018-20191
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03066.html
- http://www.openwall.com/lists/oss-security/2018/12/18/1
- http://www.securityfocus.com/bid/106276
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20191
- https://usn.ubuntu.com/3923-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJMTVGDLA654HNCDGLCUEIP36SNJEKK7/