CVE-2020-14314
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Overview
- CVE ID
- CVE-2020-14314
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-15T20:15:13
- Last Modified Date
- 2022-10-25T17:00:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.8.9 | |
| cpe:2.3:o:linux:linux_kernel:5.9.0:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12859:*:*:*:vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13170:*:*:*:vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13586:*:*:*:vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build13861:*:*:*:vsphere:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1 | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html | Mailing List Third Party Advisory |
| https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7@redhat.com/T/#u | Vendor Advisory |
| https://usn.ubuntu.com/4576-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4578-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4579-1/ | Third Party Advisory |
| https://www.starwindsoftware.com/security/sw-20210325-0003/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-14314 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14314 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:21:11 | Added to TrackCVE | |||
| 2022-12-04 22:41:09 | 2020-09-15T20:15Z | 2020-09-15T20:15:13 | CVE Published Date | updated |
| 2022-12-04 22:41:09 | 2022-10-25T17:00:21 | CVE Modified Date | updated | |
| 2022-12-04 22:41:09 | Analyzed | Vulnerability Status | updated | |
| 2022-12-04 22:41:13 | References | updated |