UnratedFix available
powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.202, 6.1.165, 6.12.75, 6.18.16, 6.19.6, 6.6.128
- CVEs
- CVE-2026-43148
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 07:26 UTC · Revision 1
Source evidence
powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
core-osv · Original sourcePublished 6 May 2026, 11:27 UTC
In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
osv:CVE-2026-43148
Kernel
Fixed versions: 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6
Complete source record
{
"id": "193e9f2c1990a824c8a6c4e9ae639ee6aa7069cfbfac75aaeadbdc7865abf7e4",
"url": "https://osv.dev/vulnerability/CVE-2026-43148",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().",
"evidence": "osv:CVE-2026-43148",
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"evidence": "/affected/1/ranges"
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{
"value": "6.1.165",
"evidence": "/affected/1/ranges"
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{
"value": "6.6.128",
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"severity": "unknown",
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"aliases": [
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"events": [
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{
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{
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"package": {
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"ecosystem": "Linux"
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"database_specific": {
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],
"modified": "2026-10-28T02:30:50.413166783Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91",
"https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a",
"https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d",
"https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72",
"https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2",
"https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066",
"https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43148.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43148",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43148.json"
}
},
"related_cves": [
{
"value": "CVE-2026-43148",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 518648,
"published_at": "2026-05-06T11:27:30.902+00:00"
}