Debian/linux: medium 5.5
In the Linux kernel before 5.15.3, fs/quota/quota_tree.c does not validate the block number in the quota tree (on disk). This can, for example, lead to a kernel/locking/rwsem.c use-after-free if there
Action: Upgrade linux to 5.15.3-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.15.3-1 | - |
Fixed versions
| 5.15.3-1 |
Sources
- osv: DEBIAN-CVE-2021-45868#Debian:14/linux
- https://security-tracker.debian.org/tracker/CVE-2021-45868
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