CVE-2017-6346
high
CVSS v3
7.0
CVSS v4 NEW
—
VIR risk
7.0
Description
Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.
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 |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.9.13-1 |
| debian | bullseye | fixed | 4.9.13-1 |
| debian | forky | fixed | 4.9.13-1 |
| debian | sid | fixed | 4.9.13-1 |
| debian | trixie | fixed | 4.9.13-1 |
| linux-kernel | affected | 3.2.87 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b
- http://www.debian.org/security/2017/dsa-3804
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
- http://www.openwall.com/lists/oss-security/2017/02/28/6
- http://www.securityfocus.com/bid/96508
- https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b
- https://source.android.com/security/bulletin/2017-09-01
- https://www.suse.com/security/cve/CVE-2017-6346.html
- https://security-tracker.debian.org/tracker/CVE-2017-6346
CWEs
CWE-362 CWE-416
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.