CVE-2017-12193
Description
The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
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 | 4.13.13-1 |
| debian | bullseye | fixed | 4.13.13-1 |
| debian | forky | fixed | 4.13.13-1 |
| debian | sid | fixed | 4.13.13-1 |
| debian | trixie | fixed | 4.13.13-1 |
| linux-kernel | affected | 4.13.11 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea6789980fdaa610d7eb63602c746bf6ec70cd2b
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.11
- http://www.securityfocus.com/bid/101678
- https://access.redhat.com/errata/RHSA-2018:0151
- https://bugzilla.redhat.com/show_bug.cgi?id=1501215
- https://github.com/torvalds/linux/commit/ea6789980fdaa610d7eb63602c746bf6ec70cd2b
- https://usn.ubuntu.com/3698-1/
- https://usn.ubuntu.com/3698-2/
- https://www.suse.com/security/cve/CVE-2017-12193.html
- https://security-tracker.debian.org/tracker/CVE-2017-12193
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.