CVE-2025-39794
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: ARM: tegra: Use I/O memcpy to write to IRAM Kasan crashes the kernel trying to check boundaries when using the normal memcpy.
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-12 16:15:33.700000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-39794",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-09-12T16:15:33.700",
"lastModified": "2026-10-19T21:10:00.160",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: tegra: Use I/O memcpy to write to IRAM\n\nKasan crashes the kernel trying to check boundaries when using the\nnormal memcpy."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nARM: tegra: Usar memcpy de E/S para escribir en IRAM\n\nKasan bloquea el kernel intentando verificar los límites al usar el memcpy normal."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"arch/arm/mach-tegra/reset.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "b28c1a14accc79ead1e87bbdae53309da60be1e7",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "75a3bdfeed2f129a2c7d9fd7779382b78e35b014",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "2499b0ac908eefbb8a217aae609b7a5b5174f330",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "387435f4833f97aabfd74434ee526e31e8a626ea",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "46b3a7a3a36d5833f14914d1b95c69d28c6a76d6",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "96d6605bf0561d6e568b1dd9265a0f73b5b94f51",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "30ef45b89a5961cdecf907ecff1ef3374d1de510",
"versionType": "git",
"status": "affected"
},
{
"version": "b36ab9754efbd7429d214b3b03dc9843882571bd",
"lessThan": "398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"arch/arm/mach-tegra/reset.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "3.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.4",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.4.297",
"lessThanOrEqual": "5.4.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.241",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.190",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.149",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.103",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.43",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.15.11",
"lessThanOrEqual": "6.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.16.2",
"lessThanOrEqual": "6.16.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"affectedData": [
{
"vendor": "Siemens",
"product": "SIMATIC CN 4100",
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"lessThan": "V5.0",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "3.4",
"versionEndExcluding": "5.4.297",
"matchCriteriaId": "C6346BD3-EE5C-4FE3-9197-F4F0A4C05E5A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.5",
"versionEndExcluding": "5.10.241",
"matchCriteriaId": "D0D21C35-EB8A-488A-BBF9-403E4817E5DD"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.11",
"versionEndExcluding": "5.15.190",
"matchCriteriaId": "AD9E597F-3DDE-4D7E-976C-463D0611F13F"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.16",
"versionEndExcluding": "6.1.149",
"matchCriteriaId": "FDBE8280-8983-4D2D-943D-2E6D0104E2D8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.2",
"versionEndExcluding": "6.6.103",
"matchCriteriaId": "F2293654-7169-49B5-8D0D-EE51EF8B8E48"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.7",
"versionEndExcluding": "6.12.43",
"matchCriteriaId": "472C5F87-2BF3-4FAB-9B21-DA7513977363"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.13",
"versionEndExcluding": "6.15.11",
"matchCriteriaId": "BC242347-F722-43AE-B910-BE0B22386977"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.16",
"versionEndExcluding": "6.16.2",
"matchCriteriaId": "BD7C087D-2415-4521-B624-30003352F899"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/2499b0ac908eefbb8a217aae609b7a5b5174f330",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/30ef45b89a5961cdecf907ecff1ef3374d1de510",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/387435f4833f97aabfd74434ee526e31e8a626ea",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/46b3a7a3a36d5833f14914d1b95c69d28c6a76d6",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/75a3bdfeed2f129a2c7d9fd7779382b78e35b014",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/96d6605bf0561d6e568b1dd9265a0f73b5b94f51",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://git.kernel.org/stable/c/b28c1a14accc79ead1e87bbdae53309da60be1e7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
]
}