Debian/linux: medium 5.1
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.
Action: Upgrade linux to 5.5.17-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.5.17-1 | - |
Fixed versions
| 5.5.17-1 |
Sources
- osv: DEBIAN-CVE-2020-36557#Debian:14/linux
- https://security-tracker.debian.org/tracker/CVE-2020-36557
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