{"id":"CVE-2022-49581","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix buffer overflow in be_get_module_eeprom\n\nbe_cmd_read_port_transceiver_data assumes that it is given a buffer that\nis at least PAGE_DATA_LEN long, or twice t…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix buffer overflow in be_get_module_eeprom\n\nbe_cmd_read_port_transceiver_data assumes that it is given a buffer that\nis at least PAGE_DATA_LEN long, or twice t…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.18, < 4.9.325","linux_kernel >= 4.10, < 4.14.290","linux_kernel >= 4.15, < 4.19.254","linux_kernel >= 4.20, < 5.4.208","linux_kernel >= 5.5, < 5.10.134","linux_kernel >= 5.11, < 5.15.58","linux_kernel >= 5.16, < 5.18.15","linux_kernel = 5.19"],"patched":["linux_kernel 5.18.15"],"published":"2025-02-26","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:24.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-49581","references":[{"url":"https://git.kernel.org/stable/c/18043da94c023f3ef09c15017bdb04e8f695ef10","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/665cbe91de2f7c97c51ca8fce39aae26477c1948","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8ff4f9df73e5c551a72ee6034886c17e8de6596d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a8569f76df7ec5b4b51155c57523a0b356db5741","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d7241f679a59cfe27f92cb5c6272cb429fb1f7ec","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fe4473fc7940f14c4a12db873b9729134c212654","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.0031,"epssPercentile":0.23679,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:18:08.826441Z"},"ingestedAt":"2026-10-15T21:45:11.288Z","slug":"CVE-2022-49581","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix buffer overflow in be_get_module_eeprom\n\nbe_cmd_read_port_transceiver_data assumes that it is given a buffer that\nis at least PAGE_DATA_LEN long, or twice that if the module supports SFF\n8472. However, this is not always the case.\n\nFix this by passing the desired offset and length to\nbe_cmd_read_port_transceiver_data so that we only copy the bytes once.\n\n## Affected\n\n- `linux_kernel >= 3.18, < 4.9.325`\n- `linux_kernel >= 4.10, < 4.14.290`\n- `linux_kernel >= 4.15, < 4.19.254`\n- `linux_kernel >= 4.20, < 5.4.208`\n- `linux_kernel >= 5.5, < 5.10.134`\n- `linux_kernel >= 5.11, < 5.15.58`\n- `linux_kernel >= 5.16, < 5.18.15`\n- `linux_kernel = 5.19`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.18.15`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}