CVE-2026-43267: wifi: rtw89: fix potential zero beacon interval in beacon tracking
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw89: fix potential zero beacon interval in beacon tracking
During fuzz testing, it was discovered that bssconf->beaconint might be zero, which could result in a division by zero error in subsequent calculations. Set a default value of 100 TU if the interval is zero to ensure stability.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-43267?
CVE-2026-43267 has not been assigned a specific severity rating yet, as it requires analysis of its potential impact in various scenarios.
How do I fix CVE-2026-43267?
To fix CVE-2026-43267, update the Linux kernel to a version that includes the patch addressing the beacon tracking issue.
What software is affected by CVE-2026-43267?
CVE-2026-43267 affects the Linux kernel, specifically the rtw89 driver, in certain versions between 6.18 and 6.19.
What is the nature of the vulnerability in CVE-2026-43267?
CVE-2026-43267 involves a potential zero beacon interval in beacon tracking that could lead to various Wi-Fi connectivity issues.
Was CVE-2026-43267 resolved in a recent update?
Yes, CVE-2026-43267 was resolved in a recent update of the Linux kernel that fixed the beacon tracking issue.