Bug 1204722 (CVE-2015-2666)
Summary: | CVE-2015-2666 kernel: execution in the early microcode loader | ||
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Product: | [Other] Security Response | Reporter: | Vasyl Kaigorodov <vkaigoro> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | aquini, bhu, ccoleman, dhoward, dmcphers, fhrbata, gansalmon, iboverma, itamar, jforbes, jialiu, joelsmith, jokerman, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, lmeyer, madhu.chinakonda, matt, mchehab, mcressma, mmccomas, mrg-program-list, nmurray, plougher, pmatouse, rvrbovsk, williams, wmealing |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: |
A stack-based buffer overflow flaw was found in the Linux kernel's early load microcode functionality. On a system with UEFI Secure Boot enabled, a local, privileged user could use this flaw to increase their privileges to the kernel (ring0) level, bypassing intended restrictions in place.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2019-06-08 02:40:20 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: | 1204724, 1206829, 1206830, 1206831, 1206832 | ||
Bug Blocks: | 1204723 |
Description
Vasyl Kaigorodov
2015-03-23 12:15:35 UTC
Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1204724] Statement: This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enteprise MRG 2. Future kernel and kernel-rt updates for Red Hat Enterprise Linux 7 may address this issue. kernel-3.19.2-201.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report. kernel-3.19.3-100.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-2015:1565 https://access.redhat.com/errata/RHSA-2015:1565 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:1534 https://rhn.redhat.com/errata/RHSA-2015-1534.html |