{ "id": "CVE-2024-47747", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-10-21T13:15:04.753", "lastModified": "2024-10-21T17:09:45.417", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition\n\nIn the ether3_probe function, a timer is initialized with a callback\nfunction ether3_ledoff, bound to &prev(dev)->timer. Once the timer is\nstarted, there is a risk of a race condition if the module or device\nis removed, triggering the ether3_remove function to perform cleanup.\nThe sequence of operations that may lead to a UAF bug is as follows:\n\nCPU0 CPU1\n\n | ether3_ledoff\nether3_remove |\n free_netdev(dev); |\n put_devic |\n kfree(dev); |\n | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2);\n | // use dev\n\nFix it by ensuring that the timer is canceled before proceeding with\nthe cleanup in ether3_remove." } ], "metrics": {}, "references": [ { "url": "https://git.kernel.org/stable/c/1c57d61a43293252ad732007c7070fdb112545fd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/338a0582b28e69460df03af50e938b86b4206353", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/516dbc6d16637430808c39568cbb6b841d32b55b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/77a77331cef0a219b8dd91361435eeef04cb741c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/822c7bb1f6f8b0331e8d1927151faf8db3b33afd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/b5109b60ee4fcb2f2bb24f589575e10cc5283ad4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/d2abc379071881798d20e2ac1d332ad855ae22f3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }