CVE
CVE-2019-19318
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,
- Severity
- MEDIUM
- CVSS
- 4.4
- Published
- Modified
Linked Releases
| Distribution | Release | Status | Evidence |
|---|---|---|---|
| Ubuntu | 18.04.6 amd64 desktop | unknown | source |
| Ubuntu | 18.04.6 amd64 live-server | unknown | source |
| Ubuntu | 16.04.7 amd64 desktop | unknown | source |
| Ubuntu | 16.04.6 i386 desktop | unknown | source |
| Ubuntu | 16.04.7 amd64 server | unknown | source |
| Ubuntu | 16.04.6 i386 server | unknown | source |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19318
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://usn.ubuntu.com/4414-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19318
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://usn.ubuntu.com/4414-1/