2024-05-26 02:03:22 +00:00

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{
"id": "CVE-2023-52734",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-21T16:15:13.450",
"lastModified": "2024-05-21T16:53:56.550",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: sch: Bounds check priority\n\nNothing was explicitly bounds checking the priority index used to access\nclpriop[]. WARN and bail out early if it's pathological. Seen with GCC 13:\n\n../net/sched/sch_htb.c: In function 'htb_activate_prios':\n../net/sched/sch_htb.c:437:44: warning: array subscript [0, 31] is outside array bounds of 'struct htb_prio[8]' [-Warray-bounds=]\n 437 | if (p->inner.clprio[prio].feed.rb_node)\n | ~~~~~~~~~~~~~~~^~~~~~\n../net/sched/sch_htb.c:131:41: note: while referencing 'clprio'\n 131 | struct htb_prio clprio[TC_HTB_NUMPRIO];\n | ^~~~~~"
},
{
"lang": "es",
"value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: sched: sch: Prioridad de verificaci\u00f3n de l\u00edmites. Nada estaba expl\u00edcitamente limitado al verificar el \u00edndice de prioridad utilizado para acceder a clpriop[]. AVISO y salga temprano si es patol\u00f3gico. Visto con GCC 13: ../net/sched/sch_htb.c: En funci\u00f3n 'htb_activate_prios': ../net/sched/sch_htb.c:437:44: advertencia: el sub\u00edndice de matriz [0, 31] est\u00e1 fuera de los l\u00edmites de la matriz de 'struct htb_prio[8]' [-Warray-bounds=] 437 | si (p->inner.clprio[prio].feed.rb_node) | ~~~~~~~~~~~~~~~^~~~~~ ../net/sched/sch_htb.c:131:41: nota: al hacer referencia a 'clprio' 131 | estructura htb_prio clprio[TC_HTB_NUMPRIO]; | ^~~~~~"
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/90fcf55d83b20da1091f926a291af05fb74f61c6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/99875ea9b5b47995bfb3c684d21eb17feb4b7e6a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/de5ca4c3852f896cacac2bf259597aab5e17d9e3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f6415c9c9a0b3881543d38528a58b54af4351522",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/fbe71c5dacaa5a9960323215f118958174c81aa0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}