Release Date: | 2018-07-30 |
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
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 |
Platform | Errata | Release Date |
Oracle Linux version 5 (kernel-uek) | ELSA-2018-4110 | 2018-05-15 |
Oracle Linux version 6 (dtrace-modules-3.8.13-118.21.1.el6uek) | ELSA-2018-4109 | 2018-05-15 |
Oracle Linux version 6 (kernel-uek) | ELSA-2018-4084 | 2018-04-26 |
Oracle Linux version 6 (kernel-uek) | ELSA-2018-4109 | 2018-05-15 |
Oracle Linux version 6 (kernel-uek) | ELSA-2018-4110 | 2018-05-15 |
Oracle Linux version 7 (dtrace-modules-3.8.13-118.21.1.el7uek) | ELSA-2018-4109 | 2018-05-15 |
Oracle Linux version 7 (kernel-uek) | ELSA-2018-4084 | 2018-04-26 |
Oracle Linux version 7 (kernel-uek) | ELSA-2018-4109 | 2018-05-15 |
Oracle VM version 3.3 (kernel-uek) | OVMSA-2018-0044 | 2018-05-16 |
Oracle VM version 3.4 (kernel-uek) | OVMSA-2018-0037 | 2018-04-27 |
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