SB2024061357 - Improper locking in Linux kernel inline_crypto ch_ktls driver
Published: June 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061357
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 locking (CVE-ID: CVE-2021-46911)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the chcr_ktls_xmit() function in drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.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/8d5a9dbd2116a852f8f0f91f6fbc42a0afe1091f
- https://git.kernel.org/stable/c/8348665d4181c68b0ca1205b48e1753d78bc810f
- https://git.kernel.org/stable/c/1a73e427b824133940c2dd95ebe26b6dce1cbf10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.32
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12