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Vigil@nce - Linux kernel: denial of service via ISOFS

August 2014 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

A local attacker can mount a malicious ISOFS image on the Linux kernel, in order to trigger a denial of service.

Impacted products: Linux

Severity: 1/4

Creation date: 26/08/2014

DESCRIPTION OF THE VULNERABILITY

An ISOFS image contains a filesystem, which can be mounted by the Linux kernel.

However, when the ISOFS image relocates a directory, an infinite recursion occurs in the parse_rock_ridge_inode_internal() function.

A local attacker can therefore mount a malicious ISOFS image on the Linux kernel, in order to trigger a denial of service.

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http://vigilance.fr/vulnerability/L...

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