CVE-2022-49581 Information

Description

In the Linux kernel the following vulnerability has been resolved:

be2net: Fix buffer overflow in be_get_module_eeprom

be_cmd_read_port_transceiver_data assumes that it is given a buffer that is at least PAGE_DATA_LEN long or twice that if the module supports SFF 8472. However this is not always the case.

Fix this by passing the desired offset and length to be_cmd_read_port_transceiver_data so that we only copy the bytes once.

Reference

https://git.kernel.org/stable/c/18043da94c023f3ef09c15017bdb04e8f695ef10 https://git.kernel.org/stable/c/665cbe91de2f7c97c51ca8fce39aae26477c1948 https://git.kernel.org/stable/c/8ff4f9df73e5c551a72ee6034886c17e8de6596d https://git.kernel.org/stable/c/a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9 https://git.kernel.org/stable/c/a8569f76df7ec5b4b51155c57523a0b356db5741 https://git.kernel.org/stable/c/aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f https://git.kernel.org/stable/c/d7241f679a59cfe27f92cb5c6272cb429fb1f7ec https://git.kernel.org/stable/c/fe4473fc7940f14c4a12db873b9729134c212654