In the Linux kernel, the following vulnerability has been resolved: bnxten: Mask the bdcnt field in the TX BD properly The bdcnt field in the TX BD specifies the total number of BDs for the TX packet. The bdcnt field has 5 bits and the maximum number supported is 32 with the value 0. CONFIGMAXSKBFRAGS can be modified and the total number of SKB fragments can approach or exceed the maximum supported by the chip. Add a macro to properly mask the bdcnt field so that the value 32 will be properly masked and set to 0 in the bdcnd field. Without this patch, the out-of-range bdcnt value will corrupt the TX BD and may cause TX timeout. The next patch will check for values exceeding 32.
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