A vulnerability was found in the Linux kernel, where... · CVE-2020-27784 · GitHub Advisory Database · GitHub

A vulnerability was found in the Linux kernel, where...

Moderate severity Unreviewed Published Sep 2, 2022 to the GitHub Advisory Database • Updated May 16, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A vulnerability was found in the Linux kernel, where accessing a deallocated instance in printer_ioctl() printer_ioctl() tries to access of a printer_dev instance. However, use-after-free arises because it had been freed by gprinter_free().

References

Published by the National Vulnerability Database

Sep 1, 2022

Published to the GitHub Advisory Database Sep 2, 2022

Last updated May 16, 2023

Severity

Moderate

5.5

/ 10

CVSS base metrics

Attack vector

Local

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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