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).

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2019-12-12 12:15

Updated : 2020-06-10 13:15

NVD link : CVE-2019-19768

Mitre link : CVE-2019-19768

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

linux

linux_kernel

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