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CVE-2016-0723

Description

Race condition in the tty_ioctl function in drivers/tty/tty_io.c in the Linux kernel through 4.4.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free and system crash) by making a TIOCGETD ioctl call during processing of a TIOCSETD ioctl call. #### Bugs * <https://launchpad.net/bugs/1533044> #### Notes Author| Note ---|--- [jdstrand](<https://launchpad.net/~jdstrand>) | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support


Affected Package


OS OS Version Package Name Package Version
ubuntu upstream linux-armadaxp 4.5~rc2
ubuntu upstream linux-aws 4.5~rc2
ubuntu upstream linux-flo 4.5~rc2
ubuntu upstream linux-gke 4.5~rc2
ubuntu upstream linux-goldfish 4.5~rc2
ubuntu upstream linux-grouper 4.5~rc2
ubuntu upstream linux-hwe 4.5~rc2
ubuntu upstream linux-hwe-edge 4.5~rc2
ubuntu upstream linux-linaro-vexpress 4.5~rc2
ubuntu upstream linux-lts-quantal 4.5~rc2
ubuntu upstream linux-lts-raring 4.5~rc2
ubuntu upstream linux-lts-saucy 4.5~rc2
ubuntu upstream linux-lts-trusty 4.5~rc2
ubuntu 14.04 linux-lts-utopic 3.16.0-69.89~14.04.1
ubuntu upstream linux-lts-utopic 4.5~rc2
ubuntu 14.04 linux-lts-vivid 3.19.0-56.62~14.04.1
ubuntu upstream linux-lts-vivid 4.5~rc2
ubuntu 14.04 linux-lts-wily 4.2.0-34.39~14.04.1
ubuntu upstream linux-lts-wily 4.5~rc2
ubuntu upstream linux-lts-xenial 4.5~rc2
ubuntu upstream linux-maguro 4.5~rc2
ubuntu upstream linux-mako 4.5~rc2
ubuntu upstream linux-manta 4.5~rc2
ubuntu upstream linux-qcm-msm 4.5~rc2
ubuntu upstream linux-raspi2 4.5~rc2
ubuntu 15.10 linux-raspi2 4.2.0-1027.35
ubuntu upstream linux-snapdragon 4.5~rc2
ubuntu upstream linux-ti-omap4 4.5~rc2
ubuntu 12.04 linux 3.2.0-102.142
ubuntu 14.04 linux 3.13.0-83.127
ubuntu 15.10 linux 4.2.0-34.39

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