UnratedFix available
crypto: drbg - Fix returning success on failure in CTR_DRBG
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.261, 5.15.212, 6.1.178, 6.12.96, 6.18.39, 6.6.145, 7.1.4
- CVEs
- CVE-2026-64306
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 23:06 UTC · Revision 1
Source evidence
crypto: drbg - Fix returning success on failure in CTR_DRBG
core-osv · Original sourcePublished 25 Jul 2026, 08:49 UTC
In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.
osv:CVE-2026-64306
Kernel
Fixed versions: 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4
Complete source record
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"method": "structured",
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"title": "crypto: drbg - Fix returning success on failure in CTR_DRBG",
"summary": "In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR_DRBG drbg_ctr_generate() sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it.",
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"modified": "2026-10-28T02:30:24.156133751Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2026-64306",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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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": 490730,
"published_at": "2026-07-25T08:49:40.153+00:00"
}