FKIE_CVE-2026-45836
Vulnerability from fkie_nvd - Published: 2026-05-26 17:16 - Updated: 2026-06-17 10:52
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
Add the same NULL guard already present in
l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/bluetooth/l2cap_sock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "fd072f833147b0bc10c43a454624cb99d02f3fc7",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "6e8d1a2a677a81caa60cf0aabd4217bd585fbba1",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "e1863e7480feddb90125d0dd5a1b572972d75908",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "cf1fd517f892ded88168df878f834b625133f86d",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "58dc5e3d8768e121907608e6e196a908512fb083",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "32bd343803d4ba47cc516f9d5f037f01b855d767",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "a93d66907dd4d29b65c9797a93784bf61906d6d6",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
},
{
"lessThan": "78a88d43dab8d23aeef934ed8ce34d40e6b3d613",
"status": "affected",
"version": "8d836d71e2223b8961b21112bb4ce89ef8231682",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/bluetooth/l2cap_sock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.13"
},
{
"lessThan": "3.13",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.258",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.209",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.175",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.140",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.90",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.30",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.0.*",
"status": "unaffected",
"version": "7.0.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb()."
}
],
"id": "CVE-2026-45836",
"lastModified": "2026-06-17T10:52:34.830",
"metrics": {},
"published": "2026-05-26T17:16:50.813",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
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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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