CVE-2010-0741

Description

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).

Category

7.8
CVSS
Severity: High
CVSS 2.0 •
EPSS 2.11% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://securitytracker.com/id?1023798 vdb entry
https://rhn.redhat.com/errata/RHSA-2010-0476.html vendor advisory
https://bugs.edge.launchpad.net/ubuntu/+source/qemu-kvm/+bug/458521
http://www.vupen.com/english/advisories/2010/0760 vdb entry vendor advisory
http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02480.html mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11143 vdb entry signature
https://patchwork.kernel.org/patch/56479/
http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02495.html mailing list
http://www.redhat.com/support/errata/RHSA-2010-0271.html vendor advisory
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=184bd0484533b725194fa517ddc271ffd74da7c9
http://openwall.com/lists/oss-security/2010/03/29/4 mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=577218

Frequently Asked Questions

What is the severity of CVE-2010-0741?
CVE-2010-0741 has been scored as a high severity vulnerability.
How to fix CVE-2010-0741?
To fix CVE-2010-0741, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-0741 being actively exploited in the wild?
It is possible that CVE-2010-0741 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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