Vulnerability in Qemu
CVE-2020-16092
In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (29.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 9.0, 10.0
- openSUSE Leap — versions 15.2
Weakness classification (CWE)
References
- lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07563.html (Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2020/08/10/1 (Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200821-0006/ (Third Party Advisory)
- usn.ubuntu.com/4467-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4760 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/09/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202208-27 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16092?
- CVE-2020-16092 is a low-severity vulnerability in Qemu, classified under Reachable Assertion. CVSS score: 3.8/10. Published 2020-08-11.
- How severe is CVE-2020-16092?
- Low severity. CVSS v3 base score is 3.8 out of 10.