CVE-2018-20216: QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled)

High severity · published Dec 20, 2018

CVE-2018-20216

QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled)

7.5

CVSS

3.9%

EPSS

On KEV

Description

QEMU can have an infinite loop in hw/rdma/vmw/pvrdma_dev_ring.c because return values are not checked (and -1 is mishandled).

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.9% · higher than 90% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Qemu · Qemu

through 3.1.0 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04; 18.04; 18.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-20216

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-20216

Mailing List

http://www.openwall.com/lists/oss-security/2018/12/19/2

Third Party Advisory

http://www.securityfocus.com/bid/106291

Patch

https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg03052.html

Third Party Advisory

https://usn.ubuntu.com/3923-1/