kernel: Allows creating groups that can't be co-scheduled
Published May 2, 2017
7.8
HIGHCVSS 3.1
EPSS 0.84%
Description
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.
Affected products
No data.
Configuration 1
- < 3.2.95
- ≥ 3.10.65 · < 3.10.105
- ≥ 3.12 · < 3.12.68
- ≥ 3.14.29 · < 3.16.35
- ≥ 3.18.3 · < 3.18.52
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat 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.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.84% (0.00845) | 56.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.84% (0.00837) | 52.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.14% (0.00145) | 32.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00068) | 31.93th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.07% (0.00068) | 29.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00068) | 27.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c3c87e770458aa004bd7ed3f29945ff436fd6511 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://www.securityfocus.com/bid/98166 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-9004 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1447676 Issue Tracking
- https://github.com/torvalds/linux/commit/c3c87e770458aa004bd7ed3f29945ff436fd6511 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-9004
- https://source.android.com/security/bulletin/2017-05-01 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-9004
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c3c87e770458aa004bd7ed3f29945ff436fd6511 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/98166 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-9004 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1447676 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/c3c87e770458aa004bd7ed3f29945ff436fd6511 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-9004 | ||
| https://source.android.com/security/bulletin/2017-05-01 | x_refsource_CONFIRMVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2015-9004 |
Change history (0)
No recorded changes yet.