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LIN7-9647 : Security Advisory - linux - CVE-2018-1093

Created: Apr 2, 2018    Updated: Dec 24, 2018
Resolved Date: Aug 14, 2018
Found In Version: 7.0.0.28
Fix Version: 7.0.0.29
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: Kernel

Description

The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.

https://nvd.nist.gov/vuln/detail/CVE-2018-1093

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