HighFix available
crypto: bcm - add error check in the ahash_hmac_init function
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.325, 5.10.231, 5.15.174, 5.4.287, 6.1.120, 6.11.11, 6.12.2, 6.6.64
- CVEs
- CVE-2024-56681
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:36 UTC · Revision 1
Source evidence
crypto: bcm - add error check in the ahash_hmac_init function
core-osv · Original sourcePublished 28 Dec 2024, 09:46 UTC
In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.
osv:CVE-2024-56681
Kernel
Fixed versions: 4.19.325, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.11.11, 6.12.2
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2024-56681",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "crypto: bcm - add error check in the ahash_hmac_init function",
"summary": "In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.",
"evidence": "osv:CVE-2024-56681",
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"modified": "2026-10-28T02:30:30.600850539Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/19630cf57233e845b6ac57c9c969a4888925467b",
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"https://git.kernel.org/stable/c/ee36db8e8203420e6d5c42eb9428920c2fc36532",
"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56681.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-56681",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
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"source_id": "core-osv",
"document_id": 497447,
"published_at": "2024-12-28T09:46:09.675+00:00"
}