Skip to content
Fencer Intel
high 7.8

CVE-2015-9004 json

kernel/events/core.c in the Linux kernel before 3.19 mishandles counter grouping, which allows local users to gain privileges via a crafted…

published 2017-05-02 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8858

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

kernel/events/core.c in the Linux kernel before 3.19 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.

Patch / fix

  • linux linux_kernel 3.2.95, 3.10.105, 3.12.68, 3.16.35, 3.18.52
  • linux Debian 14, Debian 13, Debian 12 3.16.7-ckt7-1

debian advisories DEBIAN-CVE-2015-9004

  • linux Ubuntu 14.04 LTS 3.13.0-49.81

ubuntu advisories UBUNTU-CVE-2015-9004

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-ec2 SLE Module for Public Cloud 12 3.12.61-52.101.1
  • kernel-xen SLES 12-LTSS 3.12.61-52.101.1
  • kernel-syms SLES 12-LTSS 3.12.61-52.101.1
  • kernel-source SLES 12-LTSS 3.12.61-52.101.1
  • kernel-default SLES 12-LTSS 3.12.61-52.101.1
  • kgraft-patch-SLE12_Update_28 SLES 12-LTSS 1-8.1

suse advisories SUSE-SU-2017:2920-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-9004 updated cvss 7.8

kernel: Allows creating groups that can't be co-scheduled

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.