SB20240531489 - NULL pointer dereference in Linux kernel intel i40e driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531489
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) NULL pointer dereference (CVE-ID: CVE-2021-47184)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the i40e_sync_filters_subtask() and i40e_vsi_release() functions in drivers/net/ethernet/intel/i40e/i40e_main.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/78f2a9e831f9610e3655a0be5e675e1aa2472089
- https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d
- https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c
- https://git.kernel.org/stable/c/f866513ead4370402428ef724b03c3312295c178
- https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890
- https://git.kernel.org/stable/c/37d9e304acd903a445df8208b8a13d707902dea6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.256
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.218
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.162