kernel: buffer uses out of index in ext3/4 filesystem

A memory out-of-bounds read flaw was found in the Linux kernel's ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability...

kernel: ext3: format string issues

fs/ext3/super.c in the Linux kernel before 3.8.4 uses incorrect arguments to functions in certain circumstances related to printk input, which allows local users to conduct format-string attacks and possibly gain privileges via a crafted application...

kernel: jbd/jbd2: invalid value of first log block leads to oops

The cleanupjournaltail function in the Journaling Block Device JBD functionality in the Linux kernel 2.6 allows local users to cause a denial of service assertion error and kernel oops via an ext3 or ext4 image with an "invalid log first block value."...

kernel: jbd/jbd2: invalid value of first log block leads to oops

The cleanupjournaltail function in the Journaling Block Device JBD functionality in the Linux kernel 2.6 allows local users to cause a denial of service assertion error and kernel oops via an ext3 or ext4 image with an "invalid log first block value."...

PT-2011-4853 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel version 2.6 Description: The issue is related to the Journaling Block Device JBD functionality in the Linux kernel, specifically the cleanup journal tail function. It allows local users to cause a denial of service, resulting in ...