FKIE_CVE-2024-26801
Vulnerability from fkie_nvd - Published: 2024-04-04 09:15 - Updated: 2026-08-04 11:17
Severity
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Avoid potential use-after-free in hci_error_reset
While handling the HCI_EV_HARDWARE_ERROR event, if the underlying
BT controller is not responding, the GPIO reset mechanism would
free the hci_dev and lead to a use-after-free in hci_error_reset.
Here's the call trace observed on a ChromeOS device with Intel AX201:
queue_work_on+0x3e/0x6c
__hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth <HASH:3b4a6>]
? init_wait_entry+0x31/0x31
__hci_cmd_sync+0x16/0x20 [bluetooth <HASH:3b4a 6>]
hci_error_reset+0x4f/0xa4 [bluetooth <HASH:3b4a 6>]
process_one_work+0x1d8/0x33f
worker_thread+0x21b/0x373
kthread+0x13a/0x152
? pr_cont_work+0x54/0x54
? kthread_blkcg+0x31/0x31
ret_from_fork+0x1f/0x30
This patch holds the reference count on the hci_dev while processing
a HCI_EV_HARDWARE_ERROR event to avoid potential crash.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 6.8 | |
| linux | linux_kernel | 6.8 | |
| linux | linux_kernel | 6.8 | |
| linux | linux_kernel | 6.8 | |
| linux | linux_kernel | 6.8 | |
| linux | linux_kernel | 6.8 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/bluetooth/hci_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
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"status": "affected",
"version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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"status": "affected",
"version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
"versionType": "git"
},
{
"lessThan": "da4569d450b193e39e87119fd316c0291b585d14",
"status": "affected",
"version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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"status": "affected",
"version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
"versionType": "git"
},
{
"lessThan": "2449007d3f73b2842c9734f45f0aadb522daf592",
"status": "affected",
"version": "c7741d16a57cbf97eebe53f27e8216b1ff20e20c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/bluetooth/hci_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.0"
},
{
"lessThan": "4.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"version": "4.19.309",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.271",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.212",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.151",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.81",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.21",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"version": "6.7.9",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.8",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CF2CC731-FB5F-4BC2-8534-444E3A0DBB80",
"versionEndExcluding": "4.19.309",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
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"negate": false,
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Avoid potential use-after-free in hci_error_reset\n\nWhile handling the HCI_EV_HARDWARE_ERROR event, if the underlying\nBT controller is not responding, the GPIO reset mechanism would\nfree the hci_dev and lead to a use-after-free in hci_error_reset.\n\nHere\u0027s the call trace observed on a ChromeOS device with Intel AX201:\n queue_work_on+0x3e/0x6c\n __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth \u003cHASH:3b4a6\u003e]\n ? init_wait_entry+0x31/0x31\n __hci_cmd_sync+0x16/0x20 [bluetooth \u003cHASH:3b4a 6\u003e]\n hci_error_reset+0x4f/0xa4 [bluetooth \u003cHASH:3b4a 6\u003e]\n process_one_work+0x1d8/0x33f\n worker_thread+0x21b/0x373\n kthread+0x13a/0x152\n ? pr_cont_work+0x54/0x54\n ? kthread_blkcg+0x31/0x31\n ret_from_fork+0x1f/0x30\n\nThis patch holds the reference count on the hci_dev while processing\na HCI_EV_HARDWARE_ERROR event to avoid potential crash."
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: evite el posible use-after-free en hci_error_reset Mientras se maneja el evento HCI_EV_HARDWARE_ERROR, si el controlador BT subyacente no responde, el mecanismo de reinicio de GPIO liberar\u00eda hci_dev y provocar\u00eda un error. use-after-free en hci_error_reset. Este es el seguimiento de llamadas observado en un dispositivo ChromeOS con Intel AX201: queue_work_on+0x3e/0x6c __hci_cmd_sync_sk+0x2ee/0x4c0 [bluetooth ] ? init_wait_entry+0x31/0x31 __hci_cmd_sync+0x16/0x20 [bluetooth ] hci_error_reset+0x4f/0xa4 [bluetooth ] Process_one_work+0x1d8/0x33f trabajador_thread+0x21b/0x373 kthread+0x13a /0x152 ? pr_cont_work+0x54/0x54? kthread_blkcg+0x31/0x31 ret_from_fork+0x1f/0x30 Este parche mantiene el recuento de referencias en hci_dev mientras procesa un evento HCI_EV_HARDWARE_ERROR para evitar posibles fallas."
}
],
"id": "CVE-2024-26801",
"lastModified": "2026-08-04T11:17:06.860",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "ADJACENT_NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
},
{
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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},
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"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
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"ssvcData": {
"id": "CVE-2024-26801",
"options": [
{
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},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-15T19:27:12.303916Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-04-04T09:15:09.050",
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"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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