CVE-2018-20856

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CVSS 3.0

7.8 high

EPSS

<1%p51

Published

Jul 26, 2019 (Jul 26, 2019)

Modified

Jun 17, 2026

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.

Vendors: linux
Products: linux kernel
Weakness: CWE-416
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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