UnratedFix available
vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages() find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.212, 6.1.178, 6.12.97, 6.18.40, 6.6.145, 7.1.5
- CVEs
- CVE-2026-74327
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 20:42 UTC · Revision 1
Source evidence
vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()
core-osv · Original sourcePublished 15 Aug 2026, 05:58 UTC
In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages() find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.
osv:CVE-2026-74327
Kernel
Fixed versions: 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5
Complete source record
{
"id": "d3b2d86dc322fd71519b159dec5525a55015a188d25ba81a5bab5ecd2b46ac14",
"url": "https://osv.dev/vulnerability/CVE-2026-74327",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages() find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.",
"evidence": "osv:CVE-2026-74327",
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"evidence": "/affected/1/ranges"
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{
"value": "6.1.178",
"evidence": "/affected/1/ranges"
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{
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"severity": "unknown",
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"aliases": [
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"package": {
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"ecosystem": "Linux"
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"database_specific": {
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],
"modified": "2026-10-28T02:30:39.218659841Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280",
"https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59",
"https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e",
"https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6",
"https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea",
"https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8",
"https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74327.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-74327",
"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/2026/74xxx/CVE-2026-74327.json"
}
},
"related_cves": [
{
"value": "CVE-2026-74327",
"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 506806,
"published_at": "2026-08-15T05:58:21.665+00:00"
}