Race condition in Linux kernel - CVE-2006-0039

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Main Vulnerability Database Vulnerabilities #VU95754

Race condition in Linux kernel - CVE-2006-0039

Published: May 20, 2006 / Updated: February 13, 2023


Vulnerability identifier: #VU95754
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2006-0039
CWE-ID: CWE-362
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 access sensitive information or perform a denial of service (DoS) attack.

Race condition in the do_add_counters function in netfilter for Linux kernel 2.6.16 allows local users with CAP_NET_ADMIN capabilities to read kernel memory by triggering the race condition in a way that produces a size value that is inconsistent with allocated memory, which leads to a buffer over-read in IPT_ENTRY_ITERATE.


How to mitigate CVE-2006-0039

Install update from vendor's repository.

Sources