CVE-2026-98751None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: tty: abort break signalling on hangup The break ioctls can race with hangup and end up calling into a tty driver for a device that is already gone or powered down. Dr…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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In the Linux kernel, the following vulnerability has been resolved:
tty: abort break signalling on hangup
The break ioctls can race with hangup and end up calling into a tty driver for a device that is already gone or powered down.
Drivers must handle this race, but TCSBRK and TCSBRKP should still be aborted to avoid calling back into the driver after a user-controlled timeout (possibly even after the tty has been reopened).
Note that drivers should disable any break state on shutdown so just return on hangup (calling break_ctl() again is racy and will most likely fail for drivers handling the race).
Linux >= f34d7a5b7010b82fe97da95496b9971435530062 < 3bc82999fb85cecc7eb6ec1755ee7d698aa1e783Linux >= f34d7a5b7010b82fe97da95496b9971435530062 < 94af6cd832e9b4ce39a8fb59144a8f09ab56fd35Linux >= f34d7a5b7010b82fe97da95496b9971435530062 < c8ccd3b2013daaf77b98f8a6724fcf4d2c5c52d6Linux >= f34d7a5b7010b82fe97da95496b9971435530062 < 845a2737e0f5ffe5ca8d38de556012b0c9472cddLinux 2.6.26Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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