CVE-2018-1093

CVE Details

Release Date:2018-07-30

Description


The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linuxkernel 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.

See more information about CVE-2018-1093 from MITRE CVE dictionary and NIST NVD


CVSS v2.0 metrics


NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score: 7.1 Base Metrics: AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector: Network Attack Complexity: Medium
Authentication: None required Confidentiality Impact: None
Integrity Impact: None Availability Impact: Complete

Errata information


PlatformErrataRelease Date
Oracle Linux version 5 (kernel-uek)ELSA-2018-41102018-05-15
Oracle Linux version 6 (dtrace-modules-3.8.13-118.21.1.el6uek)ELSA-2018-41092018-05-15
Oracle Linux version 6 (kernel-uek)ELSA-2018-40842018-04-26
Oracle Linux version 6 (kernel-uek)ELSA-2018-41092018-05-15
Oracle Linux version 6 (kernel-uek)ELSA-2018-41102018-05-15
Oracle Linux version 7 (dtrace-modules-3.8.13-118.21.1.el7uek)ELSA-2018-41092018-05-15
Oracle Linux version 7 (kernel-uek)ELSA-2018-40842018-04-26
Oracle Linux version 7 (kernel-uek)ELSA-2018-41092018-05-15
Oracle VM version 3.3 (kernel-uek)OVMSA-2018-00442018-05-16
Oracle VM version 3.4 (kernel-uek)OVMSA-2018-00372018-04-27



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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