SB2025100866 - Out-of-bounds read in Linux kernel intel iavf driver
Published: October 8, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025100866
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) Out-of-bounds read (CVE-ID: CVE-2023-53659)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the iavf_set_channels() function in drivers/net/ethernet/intel/iavf/iavf_ethtool.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/0fb37ce6c01e17839e26d03222f0b44e6a3ed2b9
- https://git.kernel.org/stable/c/65ecebc9ac09427b2c65f271cd5e5bd536c3fe38
- https://git.kernel.org/stable/c/6e1d8f1332076a002e6d910d255aa5903d341c56
- https://git.kernel.org/stable/c/7c4bced3caa749ce468b0c5de711c98476b23a52
- https://git.kernel.org/stable/c/b92defe4e8ee86996c16417ad8c804cb4395fddd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.188