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{
"id": "CVE-2022-49208",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-02-26T07:00:57.910",
"lastModified": "2025-02-26T07:00:57.910",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Prevent some integer underflows\n\nMy static checker complains that:\n\n drivers/infiniband/hw/irdma/ctrl.c:3605 irdma_sc_ceq_init()\n warn: can subtract underflow 'info->dev->hmc_fpm_misc.max_ceqs'?\n\nIt appears that \"info->dev->hmc_fpm_misc.max_ceqs\" comes from the firmware\nin irdma_sc_parse_fpm_query_buf() so, yes, there is a chance that it could\nbe zero. Even if we trust the firmware, it's easy enough to change the\ncondition just as a hardenning measure."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/6f6dbb819dfc1a35bcb8b709b5c83a3ea8beff75",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7340c3675d7ac946f4019b84cd7c64ed542dfe4c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d52dab6e03550f9c97121b0c11c0a3ed78ee76a4",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f21056f15bbeacab7b4b87af232f5599d1f2bff1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}