- Vulnerability/
- CVE-2024-56681
CVE-2024-56681: crypto: bcm - add error check in the ahash_hmac_init function
First published: Sat Dec 28 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56681
- https://nvd.nist.gov/vuln/detail/CVE-2024-56681
- https://launchpad.net/bugs/cve/CVE-2024-56681
- https://security-tracker.debian.org/tracker/CVE-2024-56681
- https://ubuntu.com/security/CVE-2024-56681
- https://git.kernel.org/linus/19630cf57233e845b6ac57c9c969a4888925467b
Frequently Asked Questions
What is the severity of CVE-2024-56681?
CVE-2024-56681 has a severity level yet to be officially rated by the maintainers.
How do I fix CVE-2024-56681?
To fix CVE-2024-56681, users should apply the latest kernel updates that include the patch addressing the vulnerability.
What impacts does CVE-2024-56681 have on the Linux kernel?
CVE-2024-56681 impacts the error handling of the ahash_hmac_init function, which may incorrectly report success when there is an underlying error.
Is CVE-2024-56681 a remote or local vulnerability?
CVE-2024-56681 is considered a local vulnerability as it affects functions within the Linux kernel.
In what versions of the Linux kernel does CVE-2024-56681 exist?
CVE-2024-56681 affects multiple versions of the Linux kernel, specifically where the affected ahash_hmac_init function is implemented.
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