CVE-2016-8632
Description
The tipc_msg_build function in net/tipc/msg.c in the Linux kernel through 4.8.11 does not validate the relationship between the minimum fragment length and the maximum packet size, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) by leveraging the CAP_NET_ADMIN capability.
Predictions
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 | 4.8.15-1 |
| debian | bullseye | fixed | 4.8.15-1 |
| debian | forky | fixed | 4.8.15-1 |
| debian | sid | fixed | 4.8.15-1 |
| debian | trixie | fixed | 4.8.15-1 |
| linux-kernel | affected | 3.2.85 |
References
- http://www.openwall.com/lists/oss-security/2016/11/08/5
- http://www.securityfocus.com/bid/94211
- https://bugzilla.redhat.com/show_bug.cgi?id=1390832
- https://www.mail-archive.com/netdev%40vger.kernel.org/msg133205.html
- https://www.suse.com/security/cve/CVE-2016-8632.html
- https://security-tracker.debian.org/tracker/CVE-2016-8632
CWEs
CWE-119 CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.