kernel: driver/video/fbdev/aty/atyfb_base.c: atyfb_ioctl() stack infoleak
Published Sep 5, 2017
5.5
MEDIUMCVSS 3.0
EPSS 0.39%
Description
The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.
Affected products
No data.
- ≤ 4.12.10
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and 7 as the code with the flaw is not present in the products listed. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 6 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.39% (0.00390) | 30.72th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.39% (0.00390) | 33.01th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.89% (0.00888) | 25.41th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.89% (0.00888) | 0.00th | v1 |
References (11)
- http://www.debian.org/security/2017/dsa-3981 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/100634 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2017-14156 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1478018 Issue Tracking
- https://github.com/torvalds/linux/pull/441 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150401461613306&w=2 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://marc.info/?l=linux-kernel&m=150453196710422&w=2 x_refsource_MISCMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-14156
- https://usn.ubuntu.com/3583-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3583-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-14156
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3981 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/100634 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2017-14156 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1478018 | Issue Tracking | |
| https://github.com/torvalds/linux/pull/441 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://marc.info/?l=linux-kernel&m=150401461613306&w=2 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://marc.info/?l=linux-kernel&m=150453196710422&w=2 | x_refsource_MISCMailing ListPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-14156 | ||
| https://usn.ubuntu.com/3583-1/ | vendor-advisoryx_refsource_UBUNTU | |
| https://usn.ubuntu.com/3583-2/ | vendor-advisoryx_refsource_UBUNTU | |
| https://www.cve.org/CVERecord?id=CVE-2017-14156 |
Change history (0)
No recorded changes yet.