CVE-2021-22600
CVSS V2 High 7.2
CVSS V3 High 7.8
Description
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
Overview
- CVE ID
- CVE-2021-22600
- Assigner
- cve-coordination@google.com
- Vulnerability Status
- Undergoing Analysis
- Published Version
- 2022-01-26T14:15:08
- Last Modified Date
- 2023-02-02T16:14:45
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.4.168 | |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.10 | 5.10.88 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.15 | 5.15.11 |
| cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:* | 1 | OR | ||
| 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:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 7.2
- Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755 | Patch Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20230110-0002/ | |
| https://www.debian.org/security/2022/dsa-5096 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-22600 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22600 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 15:46:24 | Added to TrackCVE | |||
| 2022-12-06 07:46:32 | security@google.com | cve-coordination@google.com | CVE Assigner | updated |
| 2022-12-06 07:46:32 | 2022-01-26T14:15Z | 2022-01-26T14:15:08 | CVE Published Date | updated |
| 2022-12-06 07:46:32 | 2022-05-26T20:32:04 | CVE Modified Date | updated | |
| 2022-12-06 07:46:32 | Analyzed | Vulnerability Status | updated | |
| 2023-01-10 16:15:25 | 2023-01-10T16:15:10 | CVE Modified Date | updated | |
| 2023-01-10 16:15:25 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-01-10 16:15:25 | References | updated | ||
| 2023-01-12 05:13:37 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-02 17:12:49 | 2023-02-02T16:14:45 | CVE Modified Date | updated | |
| 2023-02-02 17:12:49 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |
| 2023-04-12 15:13:14 | Analyzed | Undergoing Analysis | Vulnerability Status | updated |