{"id":"CVE-2022-26490","title":"st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.","summary":"st21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.","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-120"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 4.9.309","linux_kernel >= 4.10, < 4.14.274","linux_kernel >= 4.15, < 4.19.237","linux_kernel >= 4.20, < 5.4.188","linux_kernel >= 5.5, < 5.10.109","linux_kernel >= 5.11, < 5.15.32","linux_kernel >= 5.16, < 5.16.18","fedora = 34","fedora = 35","h300s_firmware","h500s_firmware","h700s_firmware","h300e_firmware","h500e_firmware","h700e_firmware","h410s_firmware","h410c_firmware","debian_linux = 9.0","debian_linux = 10.0"],"patched":["linux_kernel 5.16.18"],"published":"2022-03-06","updated":"2026-09-01","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-26490","references":[{"url":"https://github.com/torvalds/linux/commit/4fbcc1a4cb20fe26ad0225679c536c80f1648221","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BG4J46EMFPDD5QHYXDUI3PJCZQ7HQAZR/","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C5AUUDGSDLGYU7SZSK4PFAN22NISQZBT/","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20220429-0004/","label":"cve@mitre.org"},{"url":"https://www.debian.org/security/2022/dsa-5127","label":"cve@mitre.org"},{"url":"https://www.debian.org/security/2022/dsa-5173","label":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/4fbcc1a4cb20fe26ad0225679c536c80f1648221","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BG4J46EMFPDD5QHYXDUI3PJCZQ7HQAZR/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C5AUUDGSDLGYU7SZSK4PFAN22NISQZBT/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20220429-0004/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5127","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5173","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00432,"epssPercentile":0.36927,"ingestedAt":"2026-09-01T18:30:36.403Z","slug":"CVE-2022-26490","body":"## Overview\n\nst21nfca_connectivity_event_received in drivers/nfc/st21nfca/se.c in the Linux kernel through 5.16.12 has EVT_TRANSACTION buffer overflows because of untrusted length parameters.\n\n## Affected\n\n- `linux_kernel < 4.9.309`\n- `linux_kernel >= 4.10, < 4.14.274`\n- `linux_kernel >= 4.15, < 4.19.237`\n- `linux_kernel >= 4.20, < 5.4.188`\n- `linux_kernel >= 5.5, < 5.10.109`\n- `linux_kernel >= 5.11, < 5.15.32`\n- `linux_kernel >= 5.16, < 5.16.18`\n- `fedora = 34`\n- `fedora = 35`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h300e_firmware`\n- `h500e_firmware`\n- `h700e_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n- `debian_linux = 9.0`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.16.18`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}