cve-2022-48854
Vulnerability from cvelistv5
Published
2024-07-16 12:25
Modified
2024-11-04 12:17
Severity ?
Summary
net: arc_emac: Fix use after free in arc_mdio_probe()
Impacted products
Vendor Product Version
Linux Linux Version: 5.16
Show details on NVD website


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                "id": "CVE-2022-48854",
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          "product": "Linux",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: arc_emac: Fix use after free in arc_mdio_probe()\n\nIf bus-\u003estate is equal to MDIOBUS_ALLOCATED, mdiobus_free(bus) will free\nthe \"bus\". But bus-\u003ename is still used in the next line, which will lead\nto a use after free.\n\nWe can fix it by putting the name in a local variable and make the\nbus-\u003ename point to the rodata section \"name\",then use the name in the\nerror message without referring to bus to avoid the uaf."
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          "url": "https://git.kernel.org/stable/c/bc0e610a6eb0d46e4123fafdbe5e6141d9fff3be"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48854",
    "datePublished": "2024-07-16T12:25:20.477Z",
    "dateReserved": "2024-07-16T11:38:08.913Z",
    "dateUpdated": "2024-11-04T12:17:52.841Z",
    "state": "PUBLISHED"
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