CVE-2020-24385
CVSS V2 Medium 4.9
CVSS V3 Medium 5.5
Description
In MidnightBSD before 1.2.6 and 1.3 before August 2020, and FreeBSD before 7, a NULL pointer dereference was found in the Linux emulation layer that allows attackers to crash the running kernel. During binary interaction, td->td_emuldata in sys/compat/linux/linux_emul.h is not getting initialized and returns NULL from em_find().
Overview
- CVE ID
- CVE-2020-24385
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-09-03T15:15:11
- Last Modified Date
- 2020-09-11T14:06:02
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:* | 1 | OR | 1.2.6 | |
| cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:* | 1 | OR | 1.3 | 2020-08-19 |
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 1 | OR | 7.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- COMPLETE
- Base Score
- 4.9
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.9
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://www.midnightbsd.org/notes/ | Release Notes Vendor Advisory |
| http://www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:02.txt | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-24385 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24385 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:24:38 | Added to TrackCVE | |||
| 2022-12-04 21:59:22 | 2020-09-03T15:15Z | 2020-09-03T15:15:11 | CVE Published Date | updated |
| 2022-12-04 21:59:22 | 2020-09-11T14:06:02 | CVE Modified Date | updated | |
| 2022-12-04 21:59:22 | Analyzed | Vulnerability Status | updated |