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[email protected]CVE-2021-20269

HistoryMar 10, 2022 - 5:41 p.m.

CVE-2021-20269

2022-03-1017:41:27

CWE-276

[email protected]

web.nvd.nist.gov

cve

2021

20269

kexec-tools

log file

permissions

vulnerability

confidentiality

fedora

rhel

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.8%

JSON

A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.

Affected configurations

Vulners

NVD

Node

kexec-tools_projectkexec-toolsRange≤2.0.21

kexec-tools_projectkexec-toolsRange≤2.0.20

VendorProductVersionCPE
kexec\-tools_projectkexec\-tools*cpe:2.3:a:kexec\-tools_project:kexec\-tools:*:*:*:*:*:*:*:*
kexec\-tools_projectkexec\-tools*cpe:2.3:a:kexec\-tools_project:kexec\-tools:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
kexec\-tools_project	kexec\-tools	*	cpe:2.3:a:kexec\-tools_project:kexec\-tools::::::::
kexec\-tools_project	kexec\-tools	*	cpe:2.3:a:kexec\-tools_project:kexec\-tools::::::::

CNA Affected

[
  {
    "product": "kexec-tools",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fedora kexec-tools versions prior to 2.0.21-8 and RHEL kexec-tools versions prior to 2.0.20-47"
      }
    ]
  }
]