CVE-2018-20836
CVSS V2 High 9.3
CVSS V3 High 8.1
Description
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
Overview
- CVE ID
- CVE-2018-20836
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-05-07T14:29:00
- Last Modified Date
- 2022-11-03T02:22:37
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 3.16.72 | |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 3.17 | 3.18.140 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 3.19 | 4.4.180 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.5 | 4.9.175 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.10 | 4.14.118 |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 1 | OR | 4.15 | 4.19.42 |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:f5:traffix_signaling_delivery_controller:5.1.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* | 1 | OR | 9.5 | |
| cpe:2.3:a:netapp:snapprotect:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:solidfire_\&_hci_storage_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:storage_replication_adapter_for_clustered_data_ontap:-:*:*:*:*:vmware_vsphere:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:vasa_provider_for_clustered_data_ontap:*:*:*:*:*:*:*:* | 1 | OR | 7.2 | |
| cpe:2.3:a:netapp:virtual_storage_console:*:*:*:*:*:vmware_vsphere:*:* | 1 | OR | 7.2 | |
| cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9.3
- Severity
- HIGH
- Exploitability Score
- 8.6
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.9
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-20836 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20836 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:53:25 | Added to TrackCVE | |||
| 2022-12-03 20:25:38 | 2019-05-07T14:29Z | 2019-05-07T14:29:00 | CVE Published Date | updated |
| 2022-12-03 20:25:38 | 2022-11-03T02:22:37 | CVE Modified Date | updated | |
| 2022-12-03 20:25:38 | Analyzed | Vulnerability Status | updated |