CVE-2018-1092

CVE Details

Release Date:2018-04-01

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.

See more information about CVE-2018-1092 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

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

Errata information


PlatformErrataRelease Date
Oracle Linux version 5 (kernel-uek)ELSA-2019-43172019-01-04
Oracle Linux version 6 (dtrace-modules-3.8.13-118.29.1.el6uek)ELSA-2019-43162019-01-04
Oracle Linux version 6 (kernel-uek)ELSA-2019-43152019-01-03
Oracle Linux version 6 (kernel-uek)ELSA-2019-43162019-01-04
Oracle Linux version 6 (kernel-uek)ELSA-2019-43172019-01-04
Oracle Linux version 7 (dtrace-modules-3.8.13-118.29.1.el7uek)ELSA-2019-43162019-01-04
Oracle Linux version 7 (kernel)ELSA-2018-30832018-11-05
Oracle Linux version 7 (kernel-uek)ELSA-2019-43152019-01-03
Oracle Linux version 7 (kernel-uek)ELSA-2019-43162019-01-04
Oracle VM version 3.4 (kernel-uek)OVMSA-2019-00022019-02-04



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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