CVE-2020-27784

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().

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1	Mailing List Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1	Mailing List Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1 - Mailing List, Patch, Vendor Advisory~~	() https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8d5f92b8d30bb4ade76494490c3c065e12411b1 - Mailing List, Patch, Vendor Advisory

Information

Published : 2022-09-01 18:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27784

Mitre link : CVE-2020-27784

CVE.ORG link : CVE-2020-27784

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-201

Insertion of Sensitive Information Into Sent Data

CWE-416

Use After Free

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