DEBIAN-CVE-2018-20856

DEBIAN-CVE-2018-20856 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS 3.0

7.800000190734863

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:11	linux	0, 0, 0
Debian:12	linux	0, 0, 0
Debian:13	linux	0, 0, 0
Debian:14	linux	0, 0, 0

Timeline

Jul 26, 2019 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2018-20856 advisory

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