CVE-2017-17381
MEDIUMCVSS 6.5/10EPSS 0.41%
Last modified
CVE-2017-17381 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 2.10.2 | — |
| Qemu | Qemu | 2.11.0 | Rc0 |
| Debian | Debian Linux | 9.0 | — |
References
- http://www.openwall.com/lists/oss-security/2017/12/05/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/102059Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.htmlIssue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3575-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4213Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/12/05/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/102059Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.htmlIssue Tracking, Third Party Advisory
- https://usn.ubuntu.com/3575-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4213Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-17381?
The Virtio Vring implementation in QEMU allows local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings.
How severe is CVE-2017-17381?
CVE-2017-17381 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2017-17381?
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-2017-17381?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
