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Home » Hacking News » RedHat Linux ext3 filesystem corruption vulnerability

RedHat Linux ext3 filesystem corruption vulnerability

by Mario Miri on June 11th, 2003 A potential data corruption vulnerability has been identified in the Red Hat Linux kernel. The potential issue may be exploitable under very restrictive circumstances. It has been reported in these restrictive circumstance a file may be simultaneously unlinked and the corresponding mapped file blocks reallocated. If an attacker can recreate the necessary environment, it may be possible to create a condition where arbitrary files are corrupted.


Vulnerable:
RedHat Linux 7.1 i686
RedHat Linux 7.1 i586
RedHat Linux 7.1 i386
RedHat Linux 7.1
RedHat Linux 7.2 i686
RedHat Linux 7.2 i586
RedHat Linux 7.2 i386
RedHat Linux 7.2 athlon
RedHat Linux 7.2
RedHat Linux 7.3 i686
RedHat Linux 7.3 i386
RedHat Linux 7.3
RedHat Linux 8.0 i686
RedHat Linux 8.0 i386
RedHat Linux 8.0
RedHat Linux 9.0 i386


Solution:
Advisory available: RHSA-2003:187-01


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