CVE-2024-56681
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.2%
15.6th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2024-12-28 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-12-28 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
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.
Affected
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
- https://git.kernel.org/stable/c/8f1a9a960b1107bd0e0ec3736055f5ed0e717edf
- https://git.kernel.org/stable/c/ae5253313e0ea5f00c06176074592b7f493c8546
- https://git.kernel.org/stable/c/bba9e38c5ad41d0a88b22a59e5b6dd3e31825118
- 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