CVE-2017-14156
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
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.
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.12.13-1 |
| debian | bullseye | fixed | 4.12.13-1 |
| debian | forky | fixed | 4.12.13-1 |
| debian | sid | fixed | 4.12.13-1 |
| debian | trixie | fixed | 4.12.13-1 |
| linux-kernel | affected | |
References
- http://www.debian.org/security/2017/dsa-3981
- http://www.securityfocus.com/bid/100634
- https://github.com/torvalds/linux/pull/441
- https://marc.info/?l=linux-kernel&m=150401461613306&w=2
- https://marc.info/?l=linux-kernel&m=150453196710422&w=2
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- https://www.suse.com/security/cve/CVE-2017-14156.html
- https://security-tracker.debian.org/tracker/CVE-2017-14156
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.