CVE-2021-45485
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.
Overview
- CVE ID
- CVE-2021-45485
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-25T02:15:06
- Last Modified Date
- 2023-02-24T15:07:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.13.3 | |
| cpe:2.3:a:netapp:e-series_santricity_os_controller:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:fas\/aff_baseboard_management_controller_8300:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:fas\/aff_baseboard_management_controller_8700:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:fas\/aff_baseboard_management_controller_a400:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h610c:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h610s:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h615c:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:netapp:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://arxiv.org/pdf/2112.09604.pdf | Technical Description Third Party Advisory |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3 | Release Notes Vendor Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99 | Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220121-0001/ | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujul2022.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-45485 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45485 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:43:24 | Added to TrackCVE | |||
| 2022-12-06 04:50:03 | 2021-12-25T02:15Z | 2021-12-25T02:15:06 | CVE Published Date | updated |
| 2022-12-06 04:50:03 | 2022-07-25T18:18:26 | CVE Modified Date | updated | |
| 2022-12-06 04:50:03 | Modified | Vulnerability Status | updated | |
| 2022-12-06 04:50:08 | References | updated | ||
| 2022-12-30 15:12:49 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-24 15:11:59 | 2023-02-24T15:07:31 | CVE Modified Date | updated | |
| 2023-02-24 15:11:59 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |