CVE-2020-27617

MEDIUM

QEMU 4.2.1 - Denial of Service via Invalid Layer 3 Protocol Packet

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Mailing List, Patch, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.html
Mailing List, Patch, Third Party Advisory x_refsource_confirm
http://www.openwall.com/lists/oss-security/2020/11/02/1
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/11/msg00047.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20201202-0002/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Scores

CVSS v3 6.5
EPSS 0.0023
EPSS Percentile 45.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-617
Status published
Products (3)
debian/debian_linux 9.0
debian/debian_linux 10.0
qemu/qemu 4.2.1
Published Nov 06, 2020
Tracked Since Feb 18, 2026