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Home CVE Database CVE-2018-1093

CVE-2018-1093

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.

Priority: HIGH

CVSS v3: 5.5

Component: linux

Publish Date: Apr 1, 2018

Related ID: --

CVSS v2: MEDIUM

Modified Date: Apr 1, 2018

Find out more about CVE-2018-1093 from the MITRE-CVE dictionary and NIST NVD

Products Affected

Product Name	Status	Defect	Fixed	Downloads
Linux
Wind River Linux LTS 17	Fixed	LIN10-3644	10.17.41.8	Wind River Linux LTS 10.17.41.8 Wind River Linux LTS 10.17.41.9 Wind River Linux LTS 10.17.41.10 Wind River Linux LTS 10.17.41.11 Wind River Linux LTS 10.17.41.12 Wind River Linux LTS 10.17.41.13 Wind River Linux LTS 10.17.41.14 Wind River Linux LTS 10.17.41.15 Wind River Linux LTS 10.17.41.16 Wind River Linux LTS 10.17.41.17 Wind River Linux LTS 10.17.41.18 Wind River Linux LTS 10.17.41.20 Wind River Linux LTS 10.17.41.21 Wind River Linux LTS 10.17.41.22 Wind River Linux LTS 10.17.41.23 Wind River Linux LTS 10.17.41.24 Wind River Linux LTS 10.17.41.25 Wind River Linux LTS 10.17.41.26 Wind River Linux LTS 10.17.41.27
Wind River Linux 8	Fixed	LIN8-8962	8.0.0.27	--
Wind River Linux 9	Fixed	LIN9-6643	9.0.0.16	--
Wind River Linux 7	Fixed	--	7.0.0.29	--
Wind River Linux LTS 21	Not Vulnerable	--	--	--
Wind River Linux LTS 22	Not Vulnerable	--	--	--
Wind River Linux LTS 18	Not Vulnerable	--	--	--
Wind River Linux LTS 19	Not Vulnerable	--	--	--
Wind River Linux CD release	Not Vulnerable	--	--	--
Wind River Linux 6	Fixed	--	6.0.0.38	--
VxWorks
VxWorks 7	Not Vulnerable	--	--	--
VxWorks 6.9	Not Vulnerable	--	--	--

Related Products

Product Name	Status	Defect	Fixed	Downloads

Notes
Requires LTSS - customers must have active LTSS (Long Term Security Shield) Support to receive up-to-date information about vulnerabilities that may affect legacy software. Please contact your Wind River account team or see https://docs.windriver.com/bundle/Support_and_Maintenance_Supplemental_Terms_and_Conditions and https://support2.windriver.com/index.php?page=plc for more information.