CVE-2022-2978

CVSS V2 None CVSS V3 High 7.8

Description

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Overview

CVE ID
CVE-2022-2978

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-24T16:15:12

Last Modified Date
2023-04-11T18:14:58

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:6.0:rc3::::::	1	OR

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://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
https://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91@hust.edu.cn/T/#u	Mailing List Mitigation Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-2978
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2978

History

Created	Old Value	New Value	Data Type	Notes
2022-08-24 17:00:14				Added to TrackCVE
2022-12-24 02:14:49		2022-12-24T01:15:10	CVE Modified Date	updated
2022-12-24 02:14:49	Analyzed	Modified	Vulnerability Status	updated
2022-12-24 02:14:50			References	updated
2022-12-28 12:14:05	Modified	Undergoing Analysis	Vulnerability Status	updated
2023-02-02 17:13:51		2023-02-02T16:54:54	CVE Modified Date	updated
2023-02-02 17:13:51	Undergoing Analysis	Analyzed	Vulnerability Status	updated
2023-04-11 19:14:09		2023-04-11T18:14:58	CVE Modified Date	updated