Source: vnunet.com
Date Written: March 11, 2004
Date Collected: March 12, 2004
Researchers at Polish security consultancy ISec have issued a warning to Linux users about a "critical" kernel vulnerability affecting Linux versions from 2.2 onwards. The flaw, "in the Linux kernel memory management code in the mremap(2) system call," is caused by a missing function return value check. According to the advisory, a malicious attacker with access to a locally connected PC could exploit the problem to gain root access to a vulnerable system or cause a denial of service. Patches to fix the flaw have been released by major Linux vendors, including Suse Linux and Red Hat. Some media reports dispute whether this is, in fact, a new vulnerability or simply an update to an advisory about an existing flaw.
http://www.vnunet.com/News/1153435

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