Medium severity · published Nov 6, 2020
CVE-2020-27617
eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure
6.5
CVSS
2.6%
EPSS
No
On KEV
Description
eth_get_gso_type in net/eth.c in QEMU 4.2.1 allows guest OS users to trigger an assertion failure. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
QE
Qemu · Qemu
4.2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27617
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27617
Mailing List
http://www.openwall.com/lists/oss-security/2020/11/02/1
Mailing List
https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20201202-0002/
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder