{"id":"CVE-2026-74675","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nvt: stabilize tty reference in kbd_keycode with tty_port_tty_get\n\nkbd_keycode() reads vc->port.tty without acquiring a tty reference,\nracing against con_shutdown() whic…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nvt: stabilize tty reference in kbd_keycode with tty_port_tty_get\n\nkbd_keycode() reads vc->port.tty without acquiring a tty reference,\nracing against con_shutdown() whic…","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","published":"2026-08-22","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74675","references":[{"url":"https://git.kernel.org/stable/c/38400673c9bfb39cfc87539e1a072087e98f4e4f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/38a0aa593ebc275aea6f79534d07f44e43768ce6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3f6b1d3fcfc26dc3fc85262f753439df93b055b4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b664592e9ba8c47c9e23408db7ba52eb9f946c8a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b84fd400f80adf4d1c88fbce50ae1cf2f8119e65","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cab5a342f0589334046741006d8a280514f94235","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cc4a1a2ce0c58eafd477effb055863935260ddc1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e25d47a526939ad44b75f778b8a7500562b84fc1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00129,"epssPercentile":0.02244,"ingestedAt":"2026-10-14T13:30:58.534Z","slug":"CVE-2026-74675","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nvt: stabilize tty reference in kbd_keycode with tty_port_tty_get\n\nkbd_keycode() reads vc->port.tty without acquiring a tty reference,\nracing against con_shutdown() which clears port.tty under a different\nlock. Use tty_port_tty_get()/tty_kref_put() to hold a proper reference\nfor the duration the tty pointer is needed.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}