CVE-2020-27617
MEDIUMCVSS 6.5/10EPSS 2.51%
Last modified
CVE-2020-27617 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 2.51% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 4.2.1 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- http://www.openwall.com/lists/oss-security/2020/11/02/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201202-0002/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/02/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05731.htmlMailing List, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201202-0002/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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. A guest can crash the QEMU process via packet data that lacks a valid Layer 3 protocol.
How severe is CVE-2020-27617?
CVE-2020-27617 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.51% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27617?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-27617?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST