CVE-2019-19524

2019-12-1319:38:26

redhat.com

access.redhat.com

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.003 Low

EPSS

Percentile

64.8%

JSON

A use-after-free flaw was found in the Linux kernel’s input device driver functionality when unplugging a device. A user with physical access could use this flaw to crash the system.

Mitigation

To mitigate this issue for the Red Hat Enterprise Linux 7 or higher version, prevent module ff-memless from being loaded. Please see <https://access.redhat.com/solutions/41278> for how to blacklist a kernel module to prevent it from loading automatically.