Bluetooth: btrtl: Prevent potential NULL dereference
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: Prevent potential NULL dereference The btrtl_initialize() function checks that rtl_load_file() either had an error or it loaded a zero length file. However, if it loaded a zero length file then the error code is not set correctly. It results in an error pointer vs NULL bug, followed by a NULL pointer dereference. This was detected by Smatch: drivers/bluetooth/btrtl.c:592 btrtl_initialize() warn: passing zero to 'ERR_PTR'
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.237, 5.15.181, 5.4.293, 6.1.135, 6.12.25, 6.14.4, 6.6.88
- CVEs
- CVE-2025-37792
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 03:15 UTC · Revision 1
Source evidence
Bluetooth: btrtl: Prevent potential NULL dereference
core-osv · Original sourcePublished 1 May 2025, 13:07 UTC
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: Prevent potential NULL dereference The btrtl_initialize() function checks that rtl_load_file() either had an error or it loaded a zero length file. However, if it loaded a zero length file then the error code is not set correctly. It results in an error pointer vs NULL bug, followed by a NULL pointer dereference. This was detected by Smatch: drivers/bluetooth/btrtl.c:592 btrtl_initialize() warn: passing zero to 'ERR_PTR'
osv:CVE-2025-37792
Kernel
Fixed versions: 5.4.293, 5.10.237, 5.15.181, 6.1.135, 6.6.88, 6.12.25, 6.14.4
Complete source record
{
"id": "c7dcb876546eac484b192381712d29b8685492f0c676e24c7a8db955c5d2fb74",
"url": "https://osv.dev/vulnerability/CVE-2025-37792",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Bluetooth: btrtl: Prevent potential NULL dereference",
"summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: Prevent potential NULL dereference The btrtl_initialize() function checks that rtl_load_file() either had an error or it loaded a zero length file. However, if it loaded a zero length file then the error code is not set correctly. It results in an error pointer vs NULL bug, followed by a NULL pointer dereference. This was detected by Smatch: drivers/bluetooth/btrtl.c:592 btrtl_initialize() warn: passing zero to 'ERR_PTR'",
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"modified": "2026-10-28T02:30:42.286404133Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/d8441818690d795232331bd8358545c5c95b6b72",
"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html",
"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37792.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-37792",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 509754,
"published_at": "2025-05-01T13:07:24.882+00:00"
}