Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fscache: The fscachecookielrutimer is deleted when the fscache module is removed, to avoid a Use-After-Free attack. The fscachecookielrutimer is initialized when the fscache module is inserted, but it is not deleted when the...

kernel: fscache: delete fscache_cookie_lru_timer when fscache exits to avoid UAF

In the Linux kernel, the following vulnerability has been resolved: fscache: delete fscachecookielrutimer when fscache exits to avoid UAF The fscachecookielrutimer is initialized when the fscache module is inserted, but is not deleted when the fscache module is removed. If timerreduce is called...

DEBIAN-CVE-2022-48989

In the Linux kernel, the following vulnerability has been resolved: fscache: Fix oops due to race with cookielru and usecookie If a cookie expires from the LRU and the LRUDISCARD flag is set, but the state machine has not run yet, it's possible another thread can call fscacheusecookie and begin t...