UnratedFix available
pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.300, 4.19.267, 4.9.334, 5.10.156, 5.15.80, 5.4.225, 6.0.10
- CVEs
- CVE-2022-49832
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:35 UTC · Revision 1
Source evidence
pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map
core-osv · Original sourcePublished 1 May 2025, 14:09 UTC
In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
osv:CVE-2022-49832
Kernel
Fixed versions: 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10
Complete source record
{
"id": "6fb4e369a1175295d71def9236e3f3992af6b5a8da5c98a7eaf07198561c10c9",
"url": "https://osv.dev/vulnerability/CVE-2022-49832",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map",
"summary": "In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.",
"evidence": "osv:CVE-2022-49832",
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"modified": "2026-10-28T02:30:30.793455409Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2022-49832",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
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"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49832.json"
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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": 497438,
"published_at": "2025-05-01T14:09:50.435+00:00"
}