vulnerability
Red Hat: CVE-2020-36557: race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys, causing a use-after-free in con_shutdown(). (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:N/I:N/A:C) | Jul 21, 2022 | Feb 1, 2023 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Jul 21, 2022
Added
Feb 1, 2023
Modified
Mar 27, 2026
Description
A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.
Solution
redhat-upgrade-kernel
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