Security restrictions bypass in Linux kernel - CVE-2006-1524

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Main Vulnerability Database Vulnerabilities #VU95235

Security restrictions bypass in Linux kernel - CVE-2006-1524

Published: April 19, 2006 / Updated: July 20, 2017


Vulnerability identifier: #VU95235
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2006-1524
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

madvise_remove in Linux kernel 2.6.16 up to 2.6.16.6 does not follow file and mmap restrictions, which allows local users to bypass IPC permissions and replace portions of readonly tmpfs files with zeroes, aka the MADV_REMOVE vulnerability. NOTE: this description was originally written in a way that combined 2 separate issues. The mprotect issue now has a separate name, CVE-2006-2071.


How to mitigate CVE-2006-1524

Install update from vendor's repository.

Sources