Threats Tagged 'ghsa-g8c6-c8ph-pp93'
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Threats Tagged 'ghsa-g8c6-c8ph-pp93'
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In the Linux kernel, the following vulnerability has been resolved: ethtool: cmis: validate start_cmd_payload_size from module The CMIS firmware… (CVE-2026-63995)CVE-2026-63995 0 In the Linux kernel, the following vulnerability has been resolved: ethtool: cmis: validate start_cmd_payload_size from module The CMIS firmware update code reads start_cmd_payload_size from the module's FW Management Features CDB reply and uses it directly as the byte count for memcpy. The destination buffer is 112 bytes (ETHTOOL_CMIS_CDB_LPL_MAX_PL_LENGTH - 8). So a malicious module (or corrupted response) can cause a OOB write later on in cmis_fw_update_start_download(). Let's error out. If modules that expect longer LPL writes actually exist we should revisit. struct cmis_cdb_start_fw_download_pl's definition has to move, no change there. Join the discussion | GCVE Database | 07/19/2026, 18:31:48 UTC Added: 07/19/2026, 19:38:18 UTC |
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