cve-2021-47596
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2024-11-04 12:08
Severity ?
Summary
net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg
Impacted products
Vendor Product Version
Linux Linux Version: 5.8
Show details on NVD website


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                "id": "CVE-2021-47596",
                "options": [
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                  },
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    "cna": {
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          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix use-after-free bug in hclgevf_send_mbx_msg\n\nCurrently, the hns3_remove function firstly uninstall client instance,\nand then uninstall acceletion engine device. The netdevice is freed in\nclient instance uninstall process, but acceletion engine device uninstall\nprocess still use it to trace runtime information. This causes a use after\nfree problem.\n\nSo fixes it by check the instance register state to avoid use after free."
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      "title": "net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg",
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47596",
    "datePublished": "2024-06-19T14:53:58.243Z",
    "dateReserved": "2024-05-24T15:11:00.733Z",
    "dateUpdated": "2024-11-04T12:08:50.626Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
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