Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication The firmware-controlled rsp->count field is used as the loop bound for indexing into the flexible rsp->regs[] array without validation against the message length. A count exceeding the actual data causes out-of- bounds reads from the heap-allocated message buffer. Add a check that count fits within the received message.
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/0907c06dccae9e3c8d5a68eb9014beec73a36e79
- https://git.kernel.org/stable/c/22b0b8572a64362531dd0ed499b75e16282aeb2b
- https://git.kernel.org/stable/c/23d210877968657bd07e1a517e0b516db20a1d80
- https://git.kernel.org/stable/c/3cf92b44c4fb88a5e8de8733a4494c0956606bca
- https://git.kernel.org/stable/c/64228dfc4247aca178c01e5a37af7d8dcc7a6089
- https://git.kernel.org/stable/c/df2187acfca6c6cca372c5d35f42394d9c270b09
- https://git.kernel.org/stable/c/f03782f7f41f2afee5076a1ef08ced5649218771
- https://git.kernel.org/stable/c/f987efff29a5fe45320ea5991c9d5cb98b676953
FAQ
What is CVE-2026-74340?
CVE-2026-74340 is a vulnerability with a CVSS score of 8.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication The firmware-controlled rsp->count field is used as t...
How severe is CVE-2026-74340?
CVE-2026-74340 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-74340?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.