CVE-2018-20856

CVE Details

Release Date:2019-07-26

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


CVSS v3.0 metrics


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

Base Score: 7.8 Base Metrics: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 6 (kernel-uek)ELSA-2020-58662020-10-06
Oracle Linux version 7 (kernel)ELSA-2019-30552019-10-16
Oracle Linux version 7 (kernel-uek)ELSA-2020-58662020-10-06
Oracle VM version 3.4 (kernel-uek)OVMSA-2020-00442020-10-09



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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