CVE-2020-8649
CVSS V2 Low 3.6
CVSS V3 Medium 5.9
Description
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
Overview
- CVE ID
- CVE-2020-8649
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-02-06T01:15:10
- Last Modified Date
- 2021-12-30T20:44:42
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.5.2 | |
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 3.6
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- PHYSICAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 5.9
- Base Severity
- MEDIUM
- Exploitability Score
- 0.7
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.kernel.org/show_bug.cgi?id=206357 | Exploit Issue Tracking Vendor Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html | Mailing List Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4698 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8649 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8649 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:00 | Added to TrackCVE | |||
| 2022-12-04 10:43:40 | 2020-02-06T01:15Z | 2020-02-06T01:15:10 | CVE Published Date | updated |
| 2022-12-04 10:43:40 | 2021-12-30T20:44:42 | CVE Modified Date | updated | |
| 2022-12-04 10:43:40 | Analyzed | Vulnerability Status | updated |