Medium (5.5) in linux linux kernel. EPSS 0.4% chance of exploitation in the next 30 days.
Race condition in the environ_read function in fs/proc/base.c in the Linux kernel before 4.5.4 allows local users to obtain sensitive information from kernel memory by reading a /proc/*/environ file during a process-setup time interval in which environment-variable copying is incomplete.
Severity
CVSS 3.0
5.5 medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-31)