Vulnerability Description
qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.0.0 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Openstack | 10 |
| Redhat | Virtualization | 4.0 |
| Redhat | Virtualization Manager | 4.3 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2166Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2553Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.htmlMailing ListPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.htmlMailing ListPatchThird Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4338Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2166Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2425Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2553Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.htmlMailing ListPatchThird Party Advisory
FAQ
What is CVE-2018-17963?
CVE-2018-17963 is a vulnerability with a CVSS score of 9.8 (CRITICAL). qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.
How severe is CVE-2018-17963?
CVE-2018-17963 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-17963?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Canonical Ubuntu Linux, Redhat Openstack, Redhat Virtualization.