Debian/linux: high 7.8
get_gate_page in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting (caused by gate page mishandling) of the struct page that
Action: Upgrade linux to 5.8.7-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.8.7-1 | - |
Fixed versions
| 5.8.7-1 |
Sources
- osv: DEBIAN-CVE-2020-25221#Debian:13/linux
- https://security-tracker.debian.org/tracker/CVE-2020-25221
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