CVE-2017-7487
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
The ipxitf_ioctl function in net/ipx/af_ipx.c in the Linux kernel through 4.11.1 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a failed SIOCGIFADDR ioctl call for an IPX interface.
Predictions
Exploit likelihood
75%
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 | 4.9.30-1 |
| debian | bullseye | fixed | 4.9.30-1 |
| debian | forky | fixed | 4.9.30-1 |
| debian | sid | fixed | 4.9.30-1 |
| debian | trixie | fixed | 4.9.30-1 |
| linux-kernel | affected | 3.2.89 | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0d80
- http://www.debian.org/security/2017/dsa-3886
- http://www.securityfocus.com/bid/98439
- http://www.securitytracker.com/id/1039237
- https://bugzilla.redhat.com/show_bug.cgi?id=1447734
- https://github.com/torvalds/linux/commit/ee0d8d8482345ff97a75a7d747efc309f13b0d80
- https://patchwork.ozlabs.org/patch/757549/
- https://source.android.com/security/bulletin/2017-09-01
- https://www.suse.com/security/cve/CVE-2017-7487.html
- https://security-tracker.debian.org/tracker/CVE-2017-7487
CWEs
CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.