CVE-2021-47596
Published: Jun 19, 2024
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem. So fixes it by check the instance register state to avoid use after free.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected d8355240cf8fb8b9e002b5c8458578435cea85c2 - < 12512bc8f25b8ba9795dfbae0e9ca57ff13fd542affected d8355240cf8fb8b9e002b5c8458578435cea85c2 - < 4f4a353f6fe033807cd026a5de81c67469ff19b0affected d8355240cf8fb8b9e002b5c8458578435cea85c2 - < 27cbf64a766e86f068ce6214f04c00ceb4db1af4 |
Linux | Linux | affected 5.8unaffected 0 - < 5.8unaffected 5.10.88 - <= 5.10.*unaffected 5.15.11 - <= 5.15.*unaffected 5.16 - <= * |
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