CVE-2025-39680
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer The data->block[0] variable comes from user. Without proper check, the variable may be very large to cause an out-of-bounds bug. Fix this bug by checking the value of data->block[0] first. 1. commit 39244cc75482 ("i2c: ismt: Fix an out-of-bounds bug in ismt_access()") 2. commit 92fbb6d1296f ("i2c: xgene-slimpro: Fix out-of-bounds bug in xgene_slimpro_i2c_xfer()")
Severity
HIGH
CVSS score
7.1
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-05 18:15:44.420000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-39680",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-09-05T18:15:44.420",
"lastModified": "2026-10-19T21:10:00.160",
"vulnStatus": "Modified",
"cveTags": [],
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: rtl9300: Fix out-of-bounds bug in rtl9300_i2c_smbus_xfer\n\nThe data->block[0] variable comes from user. Without proper check,\nthe variable may be very large to cause an out-of-bounds bug.\n\nFix this bug by checking the value of data->block[0] first.\n\n1. commit 39244cc75482 (\"i2c: ismt: Fix an out-of-bounds bug in\n ismt_access()\")\n2. commit 92fbb6d1296f (\"i2c: xgene-slimpro: Fix out-of-bounds bug in\n xgene_slimpro_i2c_xfer()\")"
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ni2c: rtl9300: Corrección de un error de fuera de límites en rtl9300_i2c_smbus_xfer\n\nLa variable data->block[0] proviene del usuario. Sin una verificación adecuada,\nla variable puede ser muy grande para causar un error de fuera de límites.\n\nCorrige este error verificando primero el valor de data->block[0].\n\n1. commit 39244cc75482 ('i2c: ismt: Corrección de un error de fuera de límites en\n ismt_access()')\n2. commit 92fbb6d1296f ('i2c: xgene-slimpro: Corrección de un error de fuera de límites en\n xgene_slimpro_i2c_xfer()')"
}
],
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{
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"affectedData": [
{
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"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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"versionType": "semver",
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{
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"versionType": "original_commit_for_fix",
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}
]
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"type": "Primary",
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"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-125"
}
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"configurations": [
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