CVE-2021-4155

CVSS V2 None CVSS V3 Medium 5.5

Description

A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.

Overview

CVE ID
CVE-2021-4155

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2022-08-24T16:15:09

Last Modified Date
2022-08-29T13:39:05

Weakness Enumerations

CWE	URL
CWE-131	http://cwe.mitre.org/data/definitions/131.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:linux:linux_kernel::::::::	1	OR		5.16

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

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=983d8e60f50806f90534cc5373d0ce867e5aaf79
https://access.redhat.com/security/cve/CVE-2021-4155
https://www.openwall.com/lists/oss-security/2022/01/10/1
https://security-tracker.debian.org/tracker/CVE-2021-4155
https://bugzilla.redhat.com/show_bug.cgi?id=2034813

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-4155
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4155

History

Created	Old Value	New Value	Data Type	Notes
2022-08-24 17:00:14				Added to TrackCVE