CVE-2022-2977

CVSS V2 None CVSS V3 High 7.8

Description

A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.

Overview

CVE ID
CVE-2022-2977

Assigner
secalert@redhat.com

Vulnerability Status
Modified

Published Version
2022-09-14T21:15:10

Last Modified Date
2023-02-14T13:15:11

Weakness Enumerations

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

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR		5.18

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470f	Mailing List Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20230214-0006/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-2977
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2977

History

Created	Old Value	New Value	Data Type	Notes
2022-09-14 22:00:09				Added to TrackCVE
2023-01-20 13:13:22		2023-01-20T12:37:21	CVE Modified Date	updated
2023-01-20 13:13:22	Undergoing Analysis	Analyzed	Vulnerability Status	updated
2023-02-14 14:13:52		2023-02-14T13:15:11	CVE Modified Date	updated
2023-02-14 14:13:52	Analyzed	Modified	Vulnerability Status	updated
2023-02-14 14:13:54			References	updated