CVE-2026-68199
Description
A flaw was found in the Linux kernel's ath6kl Wi-Fi driver. This vulnerability allows a local attacker to cause an out-of-bounds memory access. The flaw occurs when the firmware provides an invalid window size during an ADDBA (Add Block Ack) request, leading to incorrect memory allocation. This can result in a denial of service or potentially lead to further system compromise.
Understanding the Weakness (CWE)
Integrity
Technical Impact: Modify Memory; Execute Unauthorized Code or Commands
Write operations could cause memory corruption. In some cases, an adversary can modify control data such as return addresses in order to execute unexpected code.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
Attempting to access out-of-range, invalid, or unauthorized memory could cause the product to crash.
Other
Technical Impact: Unexpected State
Subsequent write operations can produce undefined or unexpected results.
Frequently Asked Questions
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