CVE-2017-2636
high
CVSS v3
7.0
CVSS v4 NEW
—
VIR risk
7.0
Description
Race condition in drivers/tty/n_hdlc.c in the Linux kernel through 4.10.1 allows local users to gain privileges or cause a denial of service (double free) by setting the HDLC line discipline.
Predictions
Exploit likelihood
69%
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 |
|---|---|---|---|
| arch | fixed | 4.10.2-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 4.9.16-1 |
| debian | bullseye | fixed | 4.9.16-1 |
| debian | forky | fixed | 4.9.16-1 |
| debian | sid | fixed | 4.9.16-1 |
| debian | trixie | fixed | 4.9.16-1 |
| linux-kernel | affected | 3.2.87 | |
| debian | 8.0 | affected | |
References
- https://security.archlinux.org/ASA-201703-13
- https://security.archlinux.org/ASA-201703-6
- https://security.archlinux.org/ASA-201703-8
- http://www.debian.org/security/2017/dsa-3804
- http://www.openwall.com/lists/oss-security/2017/03/07/6
- http://www.securityfocus.com/bid/96732
- http://www.securitytracker.com/id/1037963
- https://a13xp0p0v.github.io/2017/03/24/CVE-2017-2636.html
- https://access.redhat.com/errata/RHSA-2017:0892
- https://access.redhat.com/errata/RHSA-2017:0931
- https://access.redhat.com/errata/RHSA-2017:0932
- https://access.redhat.com/errata/RHSA-2017:0933
- https://access.redhat.com/errata/RHSA-2017:0986
- https://access.redhat.com/errata/RHSA-2017:1125
- https://access.redhat.com/errata/RHSA-2017:1126
- https://access.redhat.com/errata/RHSA-2017:1232
- https://access.redhat.com/errata/RHSA-2017:1233
- https://access.redhat.com/errata/RHSA-2017:1488
- https://bugzilla.redhat.com/show_bug.cgi?id=1428319
- https://www.suse.com/security/cve/CVE-2017-2636.html
- https://security-tracker.debian.org/tracker/CVE-2017-2636
CWEs
CWE-362 CWE-415
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.