Bug 1463311 (CVE-2017-1000380)
| Summary: | CVE-2017-1000380 kernel: information leak due to a data race in ALSA timer | ||
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| Product: | [Other] Security Response | Reporter: | Pedro Sampaio <psampaio> |
| 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, blc, dhoward, fhrbata, gansalmon, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jforbes, jkacur, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, madhu.chinakonda, matt, mchehab, mcressma, mlangsdo, nmurray, pholasek, plougher, pmatouse, rt-maint, rvrbovsk, slawomir, vdronov, williams, wmealing |
| Target Milestone: | --- | Keywords: | Reopened, Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
It was found that the timer functionality in the Linux kernel ALSA subsystem is prone to a race condition between read and ioctl system call handlers, resulting in an uninitialized memory disclosure to user space. A local user could use this flaw to read information belonging to other users.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2019-06-08 03:15:25 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: | 1463314, 1465998, 1465999, 1466001, 1466002, 1466003, 1466004 | ||
| Bug Blocks: | 1465984 | ||
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Description
Pedro Sampaio
2017-06-20 14:37:22 UTC
Acknowledgments: Name: Alexander Potapenko (Google) Created kernel tracking bugs for this issue: Affects: fedora-all [bug 1463314] This was fixed for Fedora with the 4.11.5 stable update External BTS bug for CVE-2017-1000380: https://bugzilla.suse.com/show_bug.cgi?id=1044125 Statement: This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates of this product due to its life cycle. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2 may address this issue. This issue has been addressed in the following products: Red Hat Enterprise MRG 2 Via RHSA-2017:3295 https://access.redhat.com/errata/RHSA-2017:3295 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:3315 https://access.redhat.com/errata/RHSA-2017:3315 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2017:3322 https://access.redhat.com/errata/RHSA-2017:3322 |