Description
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
References (8)
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
15.5%
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-682
CWE-193
Status
published
Products (11)
debian/debian_linux
8.0
linux/linux_kernel
< 4.9.10
redhat/enterprise_linux
7.0
redhat/enterprise_linux_desktop
7.0
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_server_aus
7.3
redhat/enterprise_linux_server_aus
7.4
redhat/enterprise_linux_server_eus
7.3
redhat/enterprise_linux_server_eus
7.4
redhat/enterprise_linux_server_eus
7.5
... and 1 more
Published
Jul 27, 2018
Tracked Since
Feb 18, 2026