CVE-2026-74340
wifi: wcn36xx: fix OOB read from firmware count in PRINT_REG_INFO indication
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
43efa3c0f241e04862be8e6a68ff765d36cde1ba < 22b0b8572a64362531dd0ed499b75e16282aeb2b 43efa3c0f241e04862be8e6a68ff765d36cde1ba < 3cf92b44c4fb88a5e8de8733a4494c0956606bca 43efa3c0f241e04862be8e6a68ff765d36cde1ba < 0907c06dccae9e3c8d5a68eb9014beec73a36e79 43efa3c0f241e04862be8e6a68ff765d36cde1ba < 64228dfc4247aca178c01e5a37af7d8dcc7a6089 43efa3c0f241e04862be8e6a68ff765d36cde1ba < 23d210877968657bd07e1a517e0b516db20a1d80 43efa3c0f241e04862be8e6a68ff765d36cde1ba < f03782f7f41f2afee5076a1ef08ced5649218771 43efa3c0f241e04862be8e6a68ff765d36cde1ba < f987efff29a5fe45320ea5991c9d5cb98b676953 43efa3c0f241e04862be8e6a68ff765d36cde1ba < df2187acfca6c6cca372c5d35f42394d9c270b09
Linux / Linux
4.11
References
git.kernel.org: https://git.kernel.org/stable/c/22b0b8572a64362531dd0ed499b75e16282aeb2b git.kernel.org: https://git.kernel.org/stable/c/3cf92b44c4fb88a5e8de8733a4494c0956606bca git.kernel.org: https://git.kernel.org/stable/c/0907c06dccae9e3c8d5a68eb9014beec73a36e79 git.kernel.org: https://git.kernel.org/stable/c/64228dfc4247aca178c01e5a37af7d8dcc7a6089 git.kernel.org: https://git.kernel.org/stable/c/23d210877968657bd07e1a517e0b516db20a1d80 git.kernel.org: https://git.kernel.org/stable/c/f03782f7f41f2afee5076a1ef08ced5649218771 git.kernel.org: https://git.kernel.org/stable/c/f987efff29a5fe45320ea5991c9d5cb98b676953 git.kernel.org: https://git.kernel.org/stable/c/df2187acfca6c6cca372c5d35f42394d9c270b09