CVE-2021-34693
CVSS V2 Low 2.1
CVSS V3 Medium 5.5
Description
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
Overview
- CVE ID
- CVE-2021-34693
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-14T22:15:20
- Last Modified Date
- 2021-09-20T13:52:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 2.6.25 | 5.12.10 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- 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:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076@3c-app-gmx-bs04/T/ | Exploit Patch Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2021/06/15/1 | Exploit Mailing List Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html | Mailing List Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4941 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-34693 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34693 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:04:30 | Added to TrackCVE | |||
| 2022-12-05 04:25:03 | 2021-06-14T22:15Z | 2021-06-14T22:15:20 | CVE Published Date | updated |
| 2022-12-05 04:25:03 | 2021-09-20T13:52:23 | CVE Modified Date | updated | |
| 2022-12-05 04:25:03 | Analyzed | Vulnerability Status | updated |