CVE-2026-93283
Estado: RecibidaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
i3c: master: Fix device_register() error path
When device_register() fails in i3c_master_register_new_i3c_devs(), put_device() is called to drop the reference taken by device_register(). That drops the last reference, so the device's release callback i3c_device_release() runs and frees the i3c_device.
Two problems follow from that:
i3c_device_release() does WARN_ON(i3cdev->desc), so it warns because desc->dev->desc still points back at the descriptor. Clear it before calling put_device().
After put_device() frees the i3c_device, desc->dev is left pointing at freed memory, so clear desc->dev as well. That prevents, for example, i3c_master_unregister_i3c_devs() seeing desc->dev as non-NULL and dereferencing it.
CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.20%
- Percentil entre todas las CVEs puntuadas: 8
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
- https://git.kernel.org/stable/c/20a2b6df91fd782ef2ff551febef594d0b46a9a7
- https://git.kernel.org/stable/c/5bf498623f8397d45f85f14cd631c5e5a565c2fb
- https://git.kernel.org/stable/c/6ecf17bf5fe8da51a6e3fc9e03a76898fcc5c6cf
- https://git.kernel.org/stable/c/74be657d98a8d684c0475f3cbd450ef2a30ffc73
- https://git.kernel.org/stable/c/7ef12e1dd06e442eebf370f6e53c41bd056d0f22
- https://git.kernel.org/stable/c/7f8e2c4f3704d9774bb26b49b1ad6a60ae57d4a0
- https://git.kernel.org/stable/c/a14dbdf471001dd0601b0c491184990c178a199c
- https://git.kernel.org/stable/c/d22ad96f1a0c89e0ba66a2facc7430f0923919e3
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-93283",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "1832ed55df45f4145335ad992fb83813cdc58b5d",
"lessThan": "5bf498623f8397d45f85f14cd631c5e5a565c2fb",
"versionType": "git"
},
{
"status": "affected",
"version": "d48fe8d98171e0fffdeaa8b37ce0a6444bff819b",
"lessThan": "20a2b6df91fd782ef2ff551febef594d0b46a9a7",
"versionType": "git"
},
{
"status": "affected",
"version": "174ae0a3b89e7804e4ea3d31bd83d6e43f39568c",
"lessThan": "a14dbdf471001dd0601b0c491184990c178a199c",
"versionType": "git"
},
{
"status": "affected",
"version": "e49a51a96b531f1b4bcd8d358e645b6c74ef67e6",
"lessThan": "d22ad96f1a0c89e0ba66a2facc7430f0923919e3",
"versionType": "git"
},
{
"status": "affected",
"version": "cab63f64887616e3c4e31cfd8103320be6ebc8d3",
"lessThan": "7f8e2c4f3704d9774bb26b49b1ad6a60ae57d4a0",
"versionType": "git"
},
{
"status": "affected",
"version": "cab63f64887616e3c4e31cfd8103320be6ebc8d3",
"lessThan": "7ef12e1dd06e442eebf370f6e53c41bd056d0f22",
"versionType": "git"
},
{
"status": "affected",
"version": "cab63f64887616e3c4e31cfd8103320be6ebc8d3",
"lessThan": "6ecf17bf5fe8da51a6e3fc9e03a76898fcc5c6cf",
"versionType": "git"
},
{
"status": "affected",
"version": "cab63f64887616e3c4e31cfd8103320be6ebc8d3",
"lessThan": "74be657d98a8d684c0475f3cbd450ef2a30ffc73",
"versionType": "git"
},
{
"status": "affected",
"version": "204beeb509d37669de34560e83bb8abffe7ee63a",
"versionType": "git"
},
{
"status": "affected",
"version": "b24cf43d9babf1265a2bb0ae8d198267cef43b83",
"versionType": "git"
},
{
"status": "affected",
"version": "5.10.201",
"lessThan": "5.10.270",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.139",
"lessThan": "5.15.221",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.63",
"lessThan": "6.1.188",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.6.2",
"lessThan": "6.6.157",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.4.261",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.5.12",
"lessThan": "6.6",
"versionType": "semver"
}
],
"programFiles": [
"drivers/i3c/master.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.7"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.7",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.52",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3-rc1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/i3c/master.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2026-09-24T16:17:25.690",
"references": [
{
"url": "https://git.kernel.org/stable/c/20a2b6df91fd782ef2ff551febef594d0b46a9a7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/5bf498623f8397d45f85f14cd631c5e5a565c2fb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6ecf17bf5fe8da51a6e3fc9e03a76898fcc5c6cf",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/74be657d98a8d684c0475f3cbd450ef2a30ffc73",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7ef12e1dd06e442eebf370f6e53c41bd056d0f22",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/7f8e2c4f3704d9774bb26b49b1ad6a60ae57d4a0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/a14dbdf471001dd0601b0c491184990c178a199c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d22ad96f1a0c89e0ba66a2facc7430f0923919e3",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni3c: master: Fix device_register() error path\n\nWhen device_register() fails in i3c_master_register_new_i3c_devs(),\nput_device() is called to drop the reference taken by\ndevice_register(). That drops the last reference, so the device's\nrelease callback i3c_device_release() runs and frees the i3c_device.\n\nTwo problems follow from that:\n\ni3c_device_release() does WARN_ON(i3cdev->desc), so it warns because\ndesc->dev->desc still points back at the descriptor. Clear it before\ncalling put_device().\n\nAfter put_device() frees the i3c_device, desc->dev is left pointing at\nfreed memory, so clear desc->dev as well. That prevents, for example,\ni3c_master_unregister_i3c_devs() seeing desc->dev as non-NULL and\ndereferencing it."
}
],
"lastModified": "2026-09-24T16:17:25.690",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}