CVE-2020-27784

CVSS V2 None CVSS V3 Medium 5.5

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().

Overview

CVE ID
CVE-2020-27784

Assigner
secalert@redhat.com

Vulnerability Status
Undergoing Analysis

Published Version
2022-09-01T18:15:08

Last Modified Date
2023-03-03T18:40:00

Weakness Enumerations

CWE	URL
CWE-416	http://cwe.mitre.org/data/definitions/416.html
CWE-201	http://cwe.mitre.org/data/definitions/201.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel:-:::::::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-27784
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27784

History

Created	Old Value	New Value	Data Type	Notes
2022-09-01 19:00:09				Added to TrackCVE
2023-03-02 16:14:29	Analyzed	Undergoing Analysis	Vulnerability Status	updated
2023-03-02 16:14:29			Weakness Enumeration	update
2023-03-03 19:16:16		2023-03-03T18:40:00	CVE Modified Date	updated
2023-03-03 19:16:16	Undergoing Analysis	Analyzed	Vulnerability Status	updated
2023-03-09 17:15:48	Analyzed	Undergoing Analysis	Vulnerability Status	updated