CVE-2018-1094

CVE Details

Release Date:	2018-04-01
Impact:	Low	What is this?

Description

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.

See more information about CVE-2018-1094 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	5.5
Vector String:	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2019-4533	2019-02-07
Oracle Linux version 6 (dtrace-modules-3.8.13-118.30.1.el6uek)	ELSA-2019-4532	2019-02-06
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4510	2019-01-15
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4532	2019-02-06
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4533	2019-02-07
Oracle Linux version 7 (dtrace-modules-3.8.13-118.30.1.el7uek)	ELSA-2019-4532	2019-02-06
Oracle Linux version 7 (kernel)	ELSA-2018-3083	2018-11-05
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4510	2019-01-15
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4532	2019-02-06
Oracle VM version 3.4 (kernel-uek)	OVMSA-2019-0002	2019-02-04