Bug 1264381 (CVE-2015-7295)
| Summary: | CVE-2015-7295 Qemu: net: virtio-net possible remote DoS | ||
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| Product: | [Other] Security Response | Reporter: | Prasad Pandit <ppandit> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED WONTFIX | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | abaron, ailan, amit.shah, apevec, areis, ayoung, berrange, carnil, cfergeau, chrisw, dallan, drjones, dwmw2, gkotton, itamar, jen, jforbes, jschluet, knoel, kraxel, lhh, lpeer, markmc, m.a.young, mkenneth, mrezanin, mst, pbonzini, rbryant, rjones, rkrcmar, sclewis, slong, srevivo, tdecacqu, virt-maint, virt-maint, vkuznets, xen-maint |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
A flaw has been discovered in the QEMU emulator built with Virtual Network Device(virtio-net) support. If the guest's virtio-net driver did not support big or mergeable receive buffers, an issue could occur while receiving large packets over the tuntap/ macvtap interfaces. An attacker on the local network could use this flaw to disable the guest's networking; the user could send a large number of jumbo frames to the guest, which could exhaust all receive buffers, and lead to a denial of service.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-06-08 02:43:37 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1264392, 1264393 | ||
| Bug Blocks: | 1250120 | ||
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Description
Prasad Pandit
2015-09-18 10:32:45 UTC
Statement: This issue affects the versions of kvm package as shipped with Red Hat Enterprise Linux 5. This issue affects the versions of the qemu-kvm packages as shipped with Red Hat Enterprise Linux 6 and 7. This issue affects the Red Hat Enterprise Linux 6 based versions of qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. This issue affects the Red Hat Enterprise Linux 7 based versions of the qemu-kvm-rhev packages as shipped with Red Hat Enterprise Virtualization 3. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Created xen tracking bugs for this issue: Affects: fedora-all [bug 1264392] Created qemu tracking bugs for this issue: Affects: fedora-all [bug 1264393] Acknowledgements: This issue was discovered by Jason Wang of Red Hat Inc. qemu-2.4.0.1-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report. xen-4.5.1-13.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report. xen-4.4.3-6.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report. xen-4.5.1-13.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report. qemu-2.3.1-7.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report. |