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CVE-2019-19252

Good to know:

Date: November 25, 2019

vcs_write in drivers/tty/vt/vc_screen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a.

Language: C

Severity Score

7.8

Related Resources (10)

Url: https://lore.kernel.org/lkml/c30fc539-68a8-65d7-226c-6f8e6fd8bdfb%40suse.com/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19252

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-19252

Url: https://security-tracker.debian.org/tracker/CVE-2019-19252

Url: https://lore.kernel.org/lkml/c30fc539-68a8-65d7-226c-6f8e6fd8bdfb@suse.com/

Url: https://usn.ubuntu.com/4258-1/

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

Url: https://usn.ubuntu.com/4284-1/

Url: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-testing&id=0c9acb1af77a3cb8707e43f45b72c95266903cee

Url: https://www.mend.io/vulnerability-database/CVE-2019-19252

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version linux-libc-headers - 5.8

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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