CVE-2017-15299
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.
Predictions
Exploit likelihood
55%
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 | 4.13.10-1 |
| debian | bullseye | fixed | 4.13.10-1 |
| debian | forky | fixed | 4.13.10-1 |
| debian | sid | fixed | 4.13.10-1 |
| debian | trixie | fixed | 4.13.10-1 |
| linux-kernel | affected | |
References
- https://access.redhat.com/errata/RHSA-2018:0654
- https://bugzilla.redhat.com/show_bug.cgi?id=1498016
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://marc.info/?t=150654188100001&r=1&w=2
- https://marc.info/?t=150783958600011&r=1&w=2
- https://usn.ubuntu.com/3798-1/
- https://usn.ubuntu.com/3798-2/
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
- https://www.suse.com/security/cve/CVE-2017-15299.html
- https://security-tracker.debian.org/tracker/CVE-2017-15299
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.