CVE-2021-37159
CVSS V2 Medium 4.4
CVSS V3 Medium 6.4
Description
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
Overview
- CVE ID
- CVE-2021-37159
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-21T15:16:20
- Last Modified Date
- 2023-02-24T15:15:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.13.4 | |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.4
- Severity
- MEDIUM
- Exploitability Score
- 3.4
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- PHYSICAL
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.4
- Base Severity
- MEDIUM
- Exploitability Score
- 0.5
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210819-0003/ | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html | |
| https://www.spinics.net/lists/linux-usb/msg202228.html | Mailing List Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-37159 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37159 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:31 | Added to TrackCVE | |||
| 2022-12-05 06:43:05 | 2021-07-21T15:16Z | 2021-07-21T15:16:20 | CVE Published Date | updated |
| 2022-12-05 06:43:05 | 2022-07-25T18:16:00 | CVE Modified Date | updated | |
| 2022-12-05 06:43:05 | Modified | Vulnerability Status | updated | |
| 2022-12-05 06:43:09 | References | updated | ||
| 2022-12-30 15:12:06 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-24 16:12:28 | 2023-02-24T15:15:11 | CVE Modified Date | updated | |
| 2023-02-24 16:12:28 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |