{"id":"CVE-2021-47083","title":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mediatek: fix global-out-of-bounds issue\n\nWhen eint virtual eint number is greater than gpio number,\nit maybe produce 'desc[eint_n]' size globle-out-of-bounds …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mediatek: fix global-out-of-bounds issue\n\nWhen eint virtual eint number is greater than gpio number,\nit maybe produce 'desc[eint_n]' size globle-out-of-bounds …","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-125"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.4.169","linux_kernel >= 5.5, < 5.10.89","linux_kernel >= 5.11, < 5.15.12","linux_kernel = 5.16"],"patched":["linux_kernel 5.15.12"],"published":"2024-03-04","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-47083","references":[{"url":"https://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f373298e1bf0c6ea097c0bcc558dc43ad53e421f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f373298e1bf0c6ea097c0bcc558dc43ad53e421f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00227,"epssPercentile":0.13703,"ingestedAt":"2026-08-05T05:58:02.407Z","slug":"CVE-2021-47083","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mediatek: fix global-out-of-bounds issue\n\nWhen eint virtual eint number is greater than gpio number,\nit maybe produce 'desc[eint_n]' size globle-out-of-bounds issue.\n\n## Affected\n\n- `linux_kernel < 5.4.169`\n- `linux_kernel >= 5.5, < 5.10.89`\n- `linux_kernel >= 5.11, < 5.15.12`\n- `linux_kernel = 5.16`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.15.12`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}