VulnerabilityModified
CVE-2018-17963
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.
CRITICAL 9.8EPSS 4.78%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.78% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- qemu/qemu · debian/debian linux · canonical/ubuntu linux · redhat/openstack · redhat/virtualization · redhat/virtualization manager
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2018/10/08/1Mailing List, Third 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 List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.htmlMailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.htmlMailing List, Patch, Third 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 List, Third 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 List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.htmlMailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.htmlMailing List, Patch, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4338Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.