{"id":"CVE-2026-89585","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89585","summary":"auxdisplay: charlcd: cancel backlight work on registration failure","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nauxdisplay: charlcd: cancel backlight work on registration failure\n\nWith CONFIG_CHARLCD_BL_FLASH, charlcd_init() schedules bl_work before\ncharlcd_register() calls misc_register(). If registration fails, the\ncaller frees the charlcd object while delayed work still contains its\naddress.\n\nAdd charlcd_deinit() to cancel the delayed work and turn the backlight\noff. Use it for both registration rollback and normal unregistration.","published":"2026-09-11T19:44:50.592Z","modified":"2026-09-14T03:46:15.803265498Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.12.109"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/84858671842ae5857b9ed1202b62f9045373dcd1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e3e3bf40916c1e810df03958cfa7ba6883cdce79"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fe7ba73dde94c5f413b1588cd444b49105015dda"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff2fb3c1e60cb247ea3e28c0ea0bea81c18f7755"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89585.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89585"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-14T03:46:15.803265498Z"}}