SB20240620194 - NULL pointer dereference in Linux kernel intel i40e driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620194
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-2021-47619)
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_get_lump() function 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/d46fa4ea9756ef6cbcf9752d0832cc66e2d7121b
- https://git.kernel.org/stable/c/be6998f232b8e4ca8225029e305b8329d89bfd59
- https://git.kernel.org/stable/c/768eb705e6381f0c70ca29d4e66f19790d5d19a1
- https://git.kernel.org/stable/c/00eddb0e4ea115154581d1049507a996acfc2d3e
- https://git.kernel.org/stable/c/4b3aa858268b7b9aeef02e5f9c4cd8f8fac101c8
- https://git.kernel.org/stable/c/92947844b8beee988c0ce17082b705c2f75f0742
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.228
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.176