CVE-2015-9004
kernel: Allows creating groups that can't be co-scheduled
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 23, 2015
Updated · May 13, 2026
Description
It was found that kernel/events/core.c in the Linux kernel mishandles counter grouping, which allows local users to gain privileges via a crafted application, related to the perf_pmu_register and perf_event_open functions.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 as the code with the flaw is not present in this product.
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2 as the fix for this flaw is already present in the products listed.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-266 · Incorrect Privilege Assignment