CVE-2019-19318

Description

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,

References

https://usn.ubuntu.com/4414-1/

https://security.netapp.com/advisory/ntap-20200103-0001/

https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3