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CVE-2017-15299

20
FAUCET Score

CVE-2017-15299 describes a NULL pointer dereference vulnerability in the Linux kernel's KEYS subsystem, affecting versions up to 4.13.7. A local attacker can exploit this flaw by crafting a system call related to key management, leading to a denial of service and system crash. Rated Medium severity (CVSS 5.5), this vulnerability requires local access and has a high impact on availability, with no impact on confidentiality or integrity. There is no known public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.13.6CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 93rd percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-49.el7a
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2017-15299Moderate

kernel: Incorrect updates of uninstantiated keys crash the kernel

Sep 27, 2017

References

access.redhat.com / errata/RHSA-2018:0654
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2017/12/msg00004.html
marc.info
Issue TrackingPatchThird Party Advisory
marc.info
Issue TrackingPatchThird Party Advisory
usn.ubuntu.com / 3798-1
usn.ubuntu.com / 3798-2
mail-archive.com / linux-kernel%40vger.kernel.org/msg1499828.html