In the Linux kernel through 3.1 there is an information disclosure issue via /proc/stat.
https://www.openwall.com/lists/oss-security/2011/12/28/4
Source: Mitre, NVD
Published: 2022-04-18
Updated: 2022-04-26
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: Medium
EPSS: 0.0003