Bug 2348269 (CVE-2022-49581)

Summary: CVE-2022-49581 kernel: be2net: Fix buffer overflow in be_get_module_eeprom
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:23:33 UTC 
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.
Comment 1 Avinash Hanwate 2025-02-26 11:54:13 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49581-b9dc@gregkh/T
Comment 4 Avinash Hanwate 2025-02-27 14:41:29 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49581-b9dc@gregkh/T