Bug 1144825 (CVE-2014-3646)
| Summary: | CVE-2014-3646 kernel: kvm: vmx: invvpid vm exit not handled | ||
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| Product: | [Other] Security Response | Reporter: | Petr Matousek <pmatouse> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | agordeev, aquini, areis, carnil, dhoward, drjones, ehabkost, fhrbata, gansalmon, itamar, jforbes, jonathan, jwboyer, kernel-maint, kernel-mgr, knoel, lersek, lwang, madhu.chinakonda, mchehab, mguzik, mkenneth, mmilgram, mrezanin, mst, mtosatti, nmurray, pbonzini, pholasek, plougher, rhod, rkrcmar, rvrbovsk, security-response-team, stefanha, virt-maint |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid (Invalidate Translations Based on VPID) instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-04-22 11:05:36 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: | 1144826, 1144827, 1144828, 1144829, 1152986, 1156534, 1174854 | ||
| Bug Blocks: | 1144830 | ||
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Description
Petr Matousek
2014-09-21 11:04:21 UTC
Statement: This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and 7. Future updates may address this issue in the respective Red Hat Enterprise Linux releases. This issue does affect the kvm packages as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. 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/. Upstream patch: http://git.kernel.org/cgit/virt/kvm/kvm.git/commit/?id=a642fc305053cc1c6e47e4f4df327895747ab485 Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1156534] kernel-3.16.6-203.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report. This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2014:1724 https://rhn.redhat.com/errata/RHSA-2014-1724.html IssueDescription: It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid (Invalidate Translations Based on VPID) instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest. kernel-3.17.2-300.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report. This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2014:1843 https://rhn.redhat.com/errata/RHSA-2014-1843.html kernel-3.14.23-100.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report. This issue has been addressed in the following products: RHEV-H and Agents for RHEL-6 Via RHSA-2015:0126 https://rhn.redhat.com/errata/RHSA-2015-0126.html This issue has been addressed in the following products: Red Hat Enterprise Linux 6.5 EUS - Server and Compute Node Only Via RHSA-2015:0284 https://rhn.redhat.com/errata/RHSA-2015-0284.html |