CVE-2018-20856
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- CVE-2018-20856
CVE Details
| Release Date: | 2019-07-26 | |
| Impact: | None | What is this? |
Description
An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.
See more information about CVE-2018-20856 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: | 7.8 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (kernel-uek) | ELSA-2020-5866 | 2020-10-06 |
| Oracle Linux version 7 (kernel) | ELSA-2019-3055 | 2019-10-16 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2020-5866 | 2020-10-06 |
| Oracle VM version 3.4 (kernel-uek) | OVMSA-2020-0044 | 2020-10-09 |
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