VULNERABILITY INTELLIGENCE
CVE-2019-19768
CVSS score7.5 HIGH
EPSS probability4.15%
CISA KEVNot currently listed
Published2019-12-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
Weakness classification
- CWE-416: Use After Free