CVE-2016-4482

NameCVE-2016-4482
DescriptionThe proc_connectinfo function in drivers/usb/core/devio.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted USBDEVFS_CONNECTINFO ioctl call.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-516-1, DSA-3607-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.96-3fixed
jessie3.16.51-2fixed
jessie (security)3.16.51-3+deb8u1fixed
stretch4.9.65-3fixed
stretch (security)4.9.82-1+deb9u2fixed
buster, sid4.15.4-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.5.5-1low
linuxsourcejessie3.16.7-ckt25-2+deb8u2lowDSA-3607-1
linuxsourcewheezy3.2.81-1lowDLA-516-1

Notes

http://www.spinics.net/lists/linux-usb/msg140243.html
http://www.openwall.com/lists/oss-security/2016/05/04/2
Fixed by: https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee

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