Debian/linux: high 7.8
Since Linux kernel version 3.2, the mremap() syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the
Action: Upgrade linux to 4.18.20-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 4.18.20-1 | - |
Fixed versions
| 4.18.20-1 |
Sources
- osv: DEBIAN-CVE-2018-18281#Debian:13/linux
- https://security-tracker.debian.org/tracker/CVE-2018-18281
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