Security restrictions bypass in Linux kernel - CVE-2005-3257

 

Security restrictions bypass in Linux kernel - CVE-2005-3257

Published: October 19, 2005 / Updated: August 2, 2024


Vulnerability identifier: #VU95243
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2005-3257
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to read and manipulate data.

The VT implementation (vt_ioctl.c) in Linux kernel 2.6.12, and possibly other versions including 2.6.14.4, allows local users to use the KDSKBSENT ioctl on terminals of other users and gain privileges, as demonstrated by modifying key bindings using loadkeys.


How to mitigate CVE-2005-3257

Install update from vendor's repository.

Sources