CVE-2017-15299
low-risk
Published 2017-10-14
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.
Do I need to act?
-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10
Medium
LOCAL
/ LOW complexity
Affected Products (1)
Affected Vendors
References (16)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1498016
Issue Tracking
https://marc.info/?t=150654188100001&r=1&w=2
Issue Tracking
https://marc.info/?t=150783958600011&r=1&w=2
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1498016
Issue Tracking
https://marc.info/?t=150654188100001&r=1&w=2
Issue Tracking
https://marc.info/?t=150783958600011&r=1&w=2
23
/ 100
low-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal