Improper locking in Linux kernel - CVE-2005-2456

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Main Vulnerability Database Vulnerabilities #VU95248

Improper locking in Linux kernel - CVE-2005-2456

Published: August 4, 2005 / Updated: February 9, 2024


Vulnerability identifier: #VU95248
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2005-2456
CWE-ID: CWE-667
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 perform a denial of service (DoS) attack.

Array index overflow in the xfrm_sk_policy_insert function in xfrm_user.c in Linux kernel 2.6 allows local users to cause a denial of service (oops or deadlock) and possibly execute arbitrary code via a p->dir value that is larger than XFRM_POLICY_OUT, which is used as an index in the sock->sk_policy array.


How to mitigate CVE-2005-2456

Install update from vendor's repository.

Sources