Vulnerabilities > CVE-2019-19816 - Out-of-bounds Write vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816
- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19816
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://security.netapp.com/advisory/ntap-20200103-0001/
- https://usn.ubuntu.com/4414-1/
- https://usn.ubuntu.com/4414-1/