CVE-2019-19816

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

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

9.3 HIGHAV: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-2019-19816

References

• CVE Record
• NVD entry

Related

• CVE-2019-18885
• CVE-2019-19036
• CVE-2019-19037
• CVE-2019-19039
• CVE-2019-19318
• CVE-2019-19319