2024-12-08 03:06:42 +00:00

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{
"id": "CVE-2024-26739",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-03T17:15:51.367",
"lastModified": "2024-11-21T09:02:57.537",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_mirred: don't override retval if we already lost the skb\n\nIf we're redirecting the skb, and haven't called tcf_mirred_forward(),\nyet, we need to tell the core to drop the skb by setting the retcode\nto SHOT. If we have called tcf_mirred_forward(), however, the skb\nis out of our hands and returning SHOT will lead to UaF.\n\nMove the retval override to the error path which actually need it."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/sched: act_mirred: no anula retval si ya perdimos el skb. Si estamos redirigiendo el skb y a\u00fan no hemos llamado a tcf_mirred_forward(), necesitamos para decirle al n\u00facleo que suelte el skb configurando el c\u00f3digo de retecci\u00f3n en SHOT. Sin embargo, si hemos llamado a tcf_mirred_forward(), el skb est\u00e1 fuera de nuestras manos y devolver SHOT conducir\u00e1 a UaF. Mueva la anulaci\u00f3n de recuperaci\u00f3n a la ruta de error que realmente la necesita."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/28cdbbd38a4413b8eff53399b3f872fd4e80db9d",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/f4e294bbdca8ac8757db436fc82214f3882fc7e7",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}