CVE-2017-17381

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-07 · updated 2026-06-17
Weakness: CWE-369

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.

Affected products

Debian Linux: 9.0
QEMU: through 2.10.2; 2.11.0-rc0, 2.11.0-rc1, 2.11.0-rc2, 2.11.0-rc3

References

http://www.openwall.com/lists/oss-security/2017/12/05/2
http://www.securityfocus.com/bid/102059
https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.html
https://usn.ubuntu.com/3575-1/
https://www.debian.org/security/2018/dsa-4213
http://www.openwall.com/lists/oss-security/2017/12/05/2
http://www.securityfocus.com/bid/102059
https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg00166.html
https://usn.ubuntu.com/3575-1/
https://www.debian.org/security/2018/dsa-4213

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