kernel: Integer overflow in ring_buffer_resize()
Published Jan 5, 2017
7.8
HIGHCVSS 3.1
EPSS 0.53%
Description
The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.
Affected products
No data.
- ≥ 3.5 · < 3.10.102
- ≥ 3.11 · < 3.12.61
- ≥ 3.13 · < 3.14.71
- ≥ 3.15 · < 3.16.37
- ≥ 3.17 · < 3.18.35
- ≥ 3.19 · < 4.1.26
- ≥ 4.2 · < 4.4.12
- ≥ 4.5 · < 4.5.6
- 4.6
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 kernels as shipped with Red Hat Enterprise Linux 5,6 and 7 kernels.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.53% (0.00532) | 42.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00532) | 40.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00108) | 26.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (9)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6 x_refsource_CONFIRMExploitPatchVendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 x_refsource_CONFIRMRelease Notes
- http://www.securityfocus.com/bid/95278 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-9754 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1410370 Issue Tracking
- https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-9754
- https://source.android.com/security/bulletin/2017-01-01.html x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2016-9754
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6 | x_refsource_CONFIRMExploitPatchVendor Advisory | |
| http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1 | x_refsource_CONFIRMRelease Notes | |
| http://www.securityfocus.com/bid/95278 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-9754 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1410370 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-9754 | ||
| https://source.android.com/security/bulletin/2017-01-01.html | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2016-9754 |
Change history (0)
No recorded changes yet.