In the Linux kernel, the following vulnerability has been resolved:

hwmon: adm1275: Prevent reading uninitialized stack

While adding support for the ROHM BD127X0 hot-swap controllers, sashiko
reported an error in device-name comparison, which can lead to reading
uninitialized stack memory.

Quoting Sashiko:

This is a pre-existing issue, but I noticed that just before this block in
adm1275_probe(), there might be an out-of-bounds stack read:

    ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, block_buffer);
    if (ret < 0) { ... }
    for (mid = adm1275_id; mid->name[0]; mid++) {
            if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
                    break;
    }

Since i2c_smbus_read_block_data() reads up to 32 bytes into the
uninitialized stack array block_buffer without appending a null
terminator, strncasecmp() could read past the valid bytes returned in ret.

For example, if the device returns a shorter string like "adm12", checking
it against "adm1275" up to the length of "adm1275" will continue reading
into uninitialized stack bounds.

Prevent reading uninitialized memory by zeroing the stack array.

https://git.kernel.org/stable/c/36554592e2f5cac16ff8bf73720d38a6d9ef4a20

https://git.kernel.org/stable/c/39a581bd64a0e91112ec8017a2dd4e70c1336e99

https://git.kernel.org/stable/c/553f9517813912a5ab661af5504485d96824a61c

https://git.kernel.org/stable/c/57d583f069fa9d3d0c0831e34b967d1f61edae94

https://git.kernel.org/stable/c/82e4ab03a6ab9b87667410f5143bc484d7a62bdc

https://git.kernel.org/stable/c/93b96e723bdcba6172a5814262be875abcc5d269

https://git.kernel.org/stable/c/aa35cee30686e6be3c890bf741429c5025d55abe

https://git.kernel.org/stable/c/c9e04a52663bc6651c06c2427df088b751062bd6

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