Detections
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CVE-2019-19768

high

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).

References

https://www.debian.org/security/2020/dsa-4698

https://usn.ubuntu.com/4346-1/

https://usn.ubuntu.com/4345-1/

https://usn.ubuntu.com/4344-1/

https://usn.ubuntu.com/4342-1/

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html

https://security.netapp.com/advisory/ntap-20200103-0001/

https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html

https://bugzilla.kernel.org/show_bug.cgi?id=205711

Details

Source: Mitre, NVD

Published: 2019-12-12

Updated: 2020-06-10

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.02074