CVE-2011-2495

Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 13 Jun 2012, 10:00
Last modified:06 Aug 2024, 23:00

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
2.1 LOW
v2.0 (nvd)
EPSS Score
0.08% LOW
0% probability -0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

13 Jun 2012, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:00
Last Modified
Vulnerability information updated

Description

fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.

CVSS Metrics

  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.08%• Percentile: 23%

Techniques & Countermeasures

  • CWE-264•Permissions, Privileges, and Access Controls

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • linux•linux_kernel

    ≤ 2.6.39.3 | 2.6.39 | 2.6.39:rc1 | 2.6.39:rc2 | 2.6.39:rc3 | 2.6.39:rc4 | 2.6.39:rc5 | 2.6.39:rc6 | 2.6.39:rc7 | 2.6.39.1 | 2.6.39.2

References (6)