CVE Vulnerability

CVE-2019-19768

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).

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.kernel.org/show_bug.cgi?id=205711 Issue Tracking Vendor Advisory
https://security.netapp.com/advisory/ntap-20200103-0001/
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
https://usn.ubuntu.com/4344-1/
https://usn.ubuntu.com/4345-1/
https://usn.ubuntu.com/4342-1/
https://usn.ubuntu.com/4346-1/
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://www.debian.org/security/2020/dsa-4698
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:5.4.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.4.0:rc1:*:*:*:*:*:*
Information

Published : 2019-12-12 08:15

Updated : 2020-06-10 08:15

NVD link : CVE-2019-19768

Mitre link : CVE-2019-19768

Products Affected
No products.
CWE
CWE-416