SB20260113112 - Off-by-one in Linux kernel intel iavf driver
Published: January 13, 2026
Security Bulletin ID
SB20260113112
CSH 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 vulnerability.
1) Off-by-one (CVE-ID: CVE-2025-71087)
CWE-ID: CWE-193 - Off-by-one Error
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an off-by-one error within the iavf_config_rss_reg() function in drivers/net/ethernet/intel/iavf/iavf_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/18de0e41d69d97fab10b91fecf10ae78a5e43232
- https://git.kernel.org/stable/c/3095228e1320371e143835d0cebeef1a8a754c66
- https://git.kernel.org/stable/c/6daa2893f323981c7894c68440823326e93a7d61
- https://git.kernel.org/stable/c/d7369dc8dd7cbf5cee3a22610028d847b6f02982
- https://git.kernel.org/stable/c/f36de3045d006e6d9be1be495f2ed88d1721e752