CVE-2016-0723

NameCVE-2016-0723
DescriptionRace 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-412-1, DSA-3448-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
sid, trixie6.11.5-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.73-2+deb7u3
linuxsourcejessie3.16.7-ckt20-1+deb8u3DSA-3448-1
linuxsource(unstable)4.3.3-6
linux-2.6sourcesqueeze2.6.32-48squeeze19DLA-412-1
linux-2.6source(unstable)(unfixed)

Notes

http://lkml.iu.edu/hypermail/linux/kernel/1511.3/03045.html
https://git.kernel.org/linus/5c17c861a357e9458001f021a7afa7aab9937439 (v4.5-rc2)

Search for package or bug name: Reporting problems