CVE-2019-19816
HIGH 7.8EPSS 3.3%
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.
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C - EPSS
- 3.29% chance of exploitation in the next 30 days, 88th percentile
- Published
- 2019-12-17
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
- bobfuzzer/CVE/tree/master/CVE-2019-1981661★ · 2020-10-25
Security advisories
- 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/2021/03/msg00010.html
- https://security.netapp.com/advisory/ntap-20200103-0001
- https://usn.ubuntu.com/4414-1