kernel: Race condition vulnerability in Chrome driver
Published Aug 6, 2016
5.3
MEDIUMCVSS 3.0
EPSS 0.27%
Description
Race condition in the ec_device_ioctl_xcmd function in drivers/platform/chrome/cros_ec_dev.c in the Linux kernel before 4.7 allows local users to cause a denial of service (out-of-bounds array access) by changing a certain size value, aka a "double fetch" vulnerability.
Affected products
No data.
- ≤ 4.6.6
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 Red Hat Enterprise Linux products as they have not included this feature in any shipping products.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H
AV:L/AC:M/Au:N/C:N/I:N/A:P
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 | 0.27% (0.00274) | 17.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.27% (0.00274) | 18.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00066) | 17.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00102) | 43.36th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.10% (0.00102) | 42.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00102) | 40.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (9)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096cdc6f52225835ff503f987a0d68ef770bb78e x_refsource_CONFIRMIssue TrackingPatch
- http://seclists.org/bugtraq/2016/Jul/20 mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/91553 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-6156 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=120131 x_refsource_MISCIssue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=1353490 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78e x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2016-6156
- https://www.cve.org/CVERecord?id=CVE-2016-6156
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=096cdc6f52225835ff503f987a0d68ef770bb78e | x_refsource_CONFIRMIssue TrackingPatch | |
| http://seclists.org/bugtraq/2016/Jul/20 | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/91553 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-6156 | Vendor Advisory | |
| https://bugzilla.kernel.org/show_bug.cgi?id=120131 | x_refsource_MISCIssue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1353490 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78e | x_refsource_CONFIRMIssue TrackingPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-6156 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-6156 |
Change history (0)
No recorded changes yet.