Security Advisory

CVE-2010-2524

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2010-09-08 19:00:00

Last updated 2024-08-07 02:39:36

Assigner redhat

State PUBLISHED

Description

The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a users keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a "cache stuffing" issue and MS-DFS referrals.

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