CVE-2019-20054
kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 28, 2019
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel’s implementation of dropping sysctl entries. A local attacker who has access to load modules on the system can trigger a condition during module load failure and panic the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.1CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer