SB20241230223 - Improper error handling in Linux kernel crypto bcm driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230223
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2024-56681)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the ahash_hmac_setkey() and ahash_hmac_init() functions in drivers/crypto/bcm/cipher.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
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://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11