Description
Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786.
References (12)
Core 12
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96264
Issue Tracking, Patch x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1422825
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/321027c1fe77f892f4ea07846aeae08cefbbb290
Third Party Advisory, VDB Entry vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2669
Third Party Advisory, VDB Entry vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1854
Release Notes, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.7
Third Party Advisory, VDB Entry x_refsource_confirm
https://source.android.com/security/bulletin/pixel/2017-11-01
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=321027c1fe77f892f4ea07846aeae08cefbbb290
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2077
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1842
Third Party Advisory, VDB Entry vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3791
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/02/16/1
Scores
CVSS v3
7.0
EPSS
0.0011
EPSS Percentile
29.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (1)
linux/linux_kernel
3.18.54 - 3.18.92
Published
Feb 18, 2017
Tracked Since
Feb 18, 2026