SB2024061071 - Memory leak in Linux kernel ethernet sfc driver
Published: June 10, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024061071
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) Memory leak (CVE-ID: CVE-2021-47283)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the efx_nic_init_interrupt() function in drivers/net/ethernet/sfc/nic.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/8d717c9135a3340ae62d1699484850bfb4112b0c
- https://git.kernel.org/stable/c/81c4d1d83f88e15b26f4522a35cba6ffd8c5dfdd
- https://git.kernel.org/stable/c/8f03eeb6e0a0a0b8d617ee0a4bce729e47130036
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.44
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13