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LIN10-3634 : Security Advisory - linux - CVE-2018-1092

Created: Apr 2, 2018    Updated: Dec 3, 2018
Resolved Date: Apr 23, 2018
Found In Version: 10.17.41.1
Fix Version: 10.17.41.7
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Kernel

Description

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

https://nvd.nist.gov/vuln/detail/CVE-2018-1092

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