SB2024060406 - Use of uninitialized resource in Linux kernel intel i40e driver
Published: June 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060406
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) Use of uninitialized resource (CVE-ID: CVE-2021-47424)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the i40e_clear_interrupt_scheme() 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/60ad4cde0ad28921f9ea25b0201c774b95ffa4b4
- https://git.kernel.org/stable/c/17063cac4088b8e2fc0f633abddca5426ed58312
- https://git.kernel.org/stable/c/97aeed72af4f83ae51534f0a2473ff52f8d66236
- https://git.kernel.org/stable/c/75099439209d3cda439a1d9b00d19a50f0066fef
- https://git.kernel.org/stable/c/2e5a20573a926302b233b0c2e1077f5debc7ab2e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.211
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.73
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.153