High 7.8Published Aug 22, 2026

CVE-2026-74675vt: stabilize tty reference in kbd_keycode with tty_port_tty_get

Updated under an hour ago (2026-10-19 07:00 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: vt: stabilize tty reference in kbd_keycode with tty_port_tty_get kbd_keycode() reads vc->port.tty without acquiring a tty reference, racing against con_shutdown() which clears port.tty under a different lock. Use tty_port_tty_get()/tty_kref_put() to hold a proper reference for the duration the tty pointer is needed.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before b84fd400f80adf4d1c88fbce50ae1cf2f8119e65; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 38400673c9bfb39cfc87539e1a072087e98f4e4f; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cab5a342f0589334046741006d8a280514f94235; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 38a0aa593ebc275aea6f79534d07f44e43768ce6; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 3f6b1d3fcfc26dc3fc85262f753439df93b055b4; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before b664592e9ba8c47c9e23408db7ba52eb9f946c8a; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cc4a1a2ce0c58eafd477effb055863935260ddc1; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before e25d47a526939ad44b75f778b8a7500562b84fc1	CNA record

References

https://git.kernel.org/stable/c/b84fd400f80adf4d1c88fbce50ae1cf2f8119e65
https://git.kernel.org/stable/c/38400673c9bfb39cfc87539e1a072087e98f4e4f
https://git.kernel.org/stable/c/cab5a342f0589334046741006d8a280514f94235
https://git.kernel.org/stable/c/38a0aa593ebc275aea6f79534d07f44e43768ce6
https://git.kernel.org/stable/c/3f6b1d3fcfc26dc3fc85262f753439df93b055b4
https://git.kernel.org/stable/c/b664592e9ba8c47c9e23408db7ba52eb9f946c8a
https://git.kernel.org/stable/c/cc4a1a2ce0c58eafd477effb055863935260ddc1
https://git.kernel.org/stable/c/e25d47a526939ad44b75f778b8a7500562b84fc1

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.