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{
"id": "CVE-2022-49258",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-02-26T07:01:02.720",
"lastModified": "2025-03-25T15:23:07.917",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccree - Fix use after free in cc_cipher_exit()\n\nkfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But\nctx_p->user.key is still used in the next line, which will lead to a\nuse after free.\n\nWe can call kfree_sensitive() after dev_dbg() to avoid the uaf."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: ccree - Se corrige el uso despu\u00e9s de liberaci\u00f3n en cc_cipher_exit() kfree_sensitive(ctx_p-&gtuser.key) liberar\u00e1 ctx_p-&gtuser.key. Pero ctx_p-&gtuser.key a\u00fan se usa en la siguiente l\u00ednea, lo que provocar\u00e1 un uso despu\u00e9s de liberaci\u00f3n. Podemos llamar a kfree_sensitive() despu\u00e9s de dev_dbg() para evitar el uaf.\n"
}
],
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"type": "Secondary",
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"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
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},
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
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