CVE-2021-37159
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- CVE-2021-37159
CVE Details
| Release Date: | 2021-07-21 | |
| Impact: | None | What is this? |
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.
See more information about CVE-2021-37159 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 6.4 |
| Vector String: | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Version: | 3.0 |
| Attack Vector: | Physical |
| Attack Complexity: | High |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | High |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kernel-uek) | ELSA-2021-9474 | 2021-10-11 |
| Oracle Linux version 7 (kernel-uek-container) | ELSA-2021-9475 | 2021-10-11 |
| Oracle Linux version 8 (kernel) | ELSA-2022-1988 | 2022-05-17 |
| Oracle Linux version 8 (kernel-uek) | ELSA-2021-9474 | 2021-10-11 |
| Oracle Linux version 8 (kernel-uek-container) | ELSA-2021-9475 | 2021-10-11 |
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