*** This bug is a security vulnerability ***
Public security bug reported:
It was discovered that the Linux kernel failed to take a reference to
the usb_hub structure or to lock the hub interface while initializing
USB hubs. As a result, if a hub is plugged in and quickly unplugged
before the work routine can run, the routine will try to access memory
that has been deallocated. Or, if the hub is unplugged while the routine
is running, the memory may be deallocated while it is in active use.
Break-Fix: 8520f38099ccfdac2147a0852f84ee7a8ee5e197
e50293ef9775c5f1cf3fcc093037dd6a8c5684ea
** Affects: linux (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-goldfish (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-lts-quantal (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-wily (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-xenial (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-raspi2 (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-flo (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-lts-utopic (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-wily (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-xenial (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-manta (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-raspi2 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-quantal (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-lts-vivid (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-lts-wily (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-lts-xenial (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-mako (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-manta (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-raspi2 (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-armadaxp (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-flo (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-goldfish (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-raring (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-saucy (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-trusty (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-utopic (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-vivid (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-wily (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-xenial (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-mako (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-manta (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-raspi2 (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-ti-omap4 (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-goldfish (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-lts-quantal (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-wily (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-xenial (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-raspi2 (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-ti-omap4 (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-goldfish (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-lts-quantal (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-wily (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-lts-xenial (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-raspi2 (Ubuntu Xenial)
Importance: Medium
Status: New
** Affects: linux-ti-omap4 (Ubuntu Xenial)
Importance: Medium
Status: Invalid
** Tags: kernel-cve-tracking-bug
** Tags added: kernel-cve-tracking-bug
** Information type changed from Public to Public Security
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-8816
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https://bugs.launchpad.net/bugs/1549178
Title:
CVE-2015-8816
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