Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.11, < 4.19.325 |
References
- https://git.kernel.org/stable/c/05f0a3f5477ecaa1cf46448504afe9e7c2e96fccPatch
- https://git.kernel.org/stable/c/19630cf57233e845b6ac57c9c969a4888925467bPatch
- https://git.kernel.org/stable/c/28f8ffa945f7d7150463e15097ea73b19529d6f5Patch
- https://git.kernel.org/stable/c/4ea3e3b761e371102bb1486778e2f8dbc9e37413Patch
- https://git.kernel.org/stable/c/75e1e38e5d80d6d9011b7322698ffba3dd3db30aPatch
- https://git.kernel.org/stable/c/8f1a9a960b1107bd0e0ec3736055f5ed0e717edfPatch
- https://git.kernel.org/stable/c/ae5253313e0ea5f00c06176074592b7f493c8546Patch
- https://git.kernel.org/stable/c/bba9e38c5ad41d0a88b22a59e5b6dd3e31825118Patch
- https://git.kernel.org/stable/c/ee36db8e8203420e6d5c42eb9428920c2fc36532Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
FAQ
What is CVE-2024-56681?
CVE-2024-56681 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 shoul...
How severe is CVE-2024-56681?
CVE-2024-56681 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-56681?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.