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A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP aka CID-54ffccbf053b.

🗓️ 11 Dec 2020 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 3 Views

Locking issue in Linux kernel tty subsystem up to 5.9.13 enables use-after-free via TIOCSPGRP in tty job control

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Vulners
Node
microsoftcm1_kernel_5.4.91-1Range<5.4.91-1

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11 Dec 2020 08:00Current
8High risk
Vulners AI Score8
CVSS 27.2
CVSS 3.17.8
EPSS0.0059
linux kerneltty subsystemuse after freetiocspgrptty job control
3