SB20240603160 - Double Free in Linux kernel marvell prestera driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603160
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) Double Free (CVE-ID: CVE-2021-47564)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the prestera_port_bridge_join() function in drivers/net/ethernet/marvell/prestera/prestera_switchdev.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/5dca8eff4627315df98feec09fff9dfe3356325e
- https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253
- https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16