vulnerability
Red Hat: CVE-2019-19768: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Dec 12, 2019 | Apr 29, 2020 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Dec 12, 2019
Added
Apr 29, 2020
Modified
Aug 11, 2025
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).
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
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