Red Hat has issued an update for glibc. This fixes some weaknesses and a vulnerability, which can be exploited by malicious, local users to cause a DoS (Denial of Service) and gain escalated privileges and by malicious people to compromise a vulnerable system.
1) The "addmntent()" function does not correctly handle newline characters. This can be exploited to e.g. cause a DoS or gain escalated privileges, but requires that an attacker can inject newline characters into a mount entry (e.g. via vulnerable mount helpers).
Note: This update includes a fix for a regression introduced due to an earlier update not properly fixing CVE-2010-3847.
Solution: Updated packages are available via Red Hat Network.
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Subject: Red Hat update for glibc
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