VULNERABILITY INTELLIGENCE

CVE-2011-1020

CVSS score4.6 MEDIUM
EPSS probability0.92%
CISA KEVNot currently listed
Published2011-02-28
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:P/I:P/A:P

Description

The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.

Weakness classification

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references