Bug 1313686 (CVE-2016-4020)
| Summary: | CVE-2016-4020 Qemu: i386: leakage of stack memory to guest in kvmvapic.c | ||
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| Product: | [Other] Security Response | Reporter: | Adam Mariš <amaris> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | unspecified | CC: | abaron, ailan, alonbl, apevec, areis, bmcclain, carnil, chrisw, cvsbot-xmlrpc, dallan, dblechte, drjones, gkotton, imammedo, jen, jjoyce, jschluet, kbasil, knoel, lhh, lpeer, markmc, mgoldboi, michal.skrivanek, mkenneth, mrezanin, mst, pbonzini, ppandit, rbryant, rkrcmar, sclewis, security-response-team, slong, srevivo, tdecacqu, virt-maint, vkuznets, ykaul |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
An information-exposure flaw was found in Quick Emulator (QEMU) in Task Priority Register (TPR) optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-06-08 02:49:13 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: | 1326904, 1335751, 1335752, 1335753, 1335754, 1335755, 1335756, 1381794, 1475713, 1475714 | ||
| Bug Blocks: | 1313687, 1377819 | ||
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Description
Adam Mariš
2016-03-02 08:41:46 UTC
Acknowledgments: Name: Donghai Zdh (Alibaba Inc.) Created qemu tracking bugs for this issue: Affects: fedora-all [bug 1326904] qemu-2.6.0-3.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report. qemu-2.4.1-10.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report. qemu-2.3.1-15.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report. Statement: 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/. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:1856 https://access.redhat.com/errata/RHSA-2017:1856 This issue has been addressed in the following products: Red Hat OpenStack Platform 10.0 (Newton) Red Hat OpenStack Platform 11.0 (Ocata) Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 Red Hat OpenStack Platform 8.0 (Liberty) Red Hat OpenStack Platform 9.0 (Mitaka) Via RHSA-2017:2408 https://access.redhat.com/errata/RHSA-2017:2408 This issue has been addressed in the following products: RHEV 4.X RHEV-H and Agents for RHEL-7 Via RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2392 |