CVE-2024-56681

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 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-25)

Published

2024-12-28

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/05f0a3f5477ecaa1cf46448504afe9e7c2e96fcc
• https://git.kernel.org/stable/c/19630cf57233e845b6ac57c9c969a4888925467b
• https://git.kernel.org/stable/c/28f8ffa945f7d7150463e15097ea73b19529d6f5
• https://git.kernel.org/stable/c/4ea3e3b761e371102bb1486778e2f8dbc9e37413
• https://git.kernel.org/stable/c/75e1e38e5d80d6d9011b7322698ffba3dd3db30a

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