CVE-2020-8649

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.

CVSS v3.0 5.9 MEDIUM
CVSS v2.0 3.6 LOW

5.9^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.7 / Impact : 5.2

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.6^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.kernel.org/show_bug.cgi?id=206357	Exploit Issue Tracking Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html	Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4698	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Information

Published : 2020-02-05 17:15

Updated : 2021-12-30 12:44

NVD link : CVE-2020-8649

Mitre link : CVE-2020-8649

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

debian

debian_linux

linux

linux_kernel

opensuse

leap

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