CVE-2017-15299

MEDIUM

Linux Kernel < 4.13.6 - Denial of Service via KEYS Subsystem NULL Pointer Dereference

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1498016
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0654
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://marc.info/?t=150654188100001&r=1&w=2
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3798-1/
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3798-2/
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://marc.info/?t=150783958600011&r=1&w=2

Scores

CVSS v3 5.5
EPSS 0.0053
EPSS Percentile 40.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
linux/linux_kernel < 4.13.6
Published Oct 14, 2017
Tracked Since Feb 18, 2026