Description
The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).
References (6)
Core 6
Core References
Issue Tracking, Permissions Required x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1485815
Issue Tracking x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1514609
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:1062
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:0676
Patch, Vendor Advisory x_refsource_misc
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6
Patch, Vendor Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
14.0%
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 (3)
linux/linux_kernel
< 4.2
n/a/Linux kernel
Linux kernel
redhat/enterprise_linux
7.0
Published
Nov 30, 2017
Tracked Since
Feb 18, 2026