CVE-2010-0741
HIGH severity · CVSS 7.8 · Improper input validation
7.8CVSS HIGH
Summary
The virtio_net_bad_features function in hw/virtio-net.c in the virtio-net driver in the Linux kernel before 2.6.26, when used on a guest OS in conjunction with qemu-kvm 0.11.0 or KVM 83, allows remote attackers to cause a denial of service (guest OS crash, and an associated qemu-kvm process exit) by sending a large amount of network traffic to a TCP port on the guest OS, related to a virtio-net whitelist that includes an improper implementation of TCP Segment Offloading (TSO).
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://www.vupen.com/english/advisories/2010/0760Advisory
- http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=184bd0484533b725194fa517ddc271ffd74da7c9
- http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02480.html
- http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02495.html
- http://openwall.com/lists/oss-security/2010/03/29/4
- http://securitytracker.com/id?1023798
- http://www.redhat.com/support/errata/RHSA-2010-0271.html
- https://bugs.edge.launchpad.net/ubuntu/+source/qemu-kvm/+bug/458521