CVE-2016-2549
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux-ti-omap4 (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Wily)
Importance: Undecided
Status: New
** Also affects: linux-ti-omap4 (Ubuntu Wily)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Wily)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux-ti-omap4 (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux-ti-omap4 (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: linux-ti-omap4 (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: linux-raspi2 (Ubuntu Precise)
Importance: Undecided
Status: New
** Changed in: linux-lts-trusty (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-trusty (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-trusty (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-lts-wily (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-wily (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-wily (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-quantal (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-quantal (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-quantal (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-ti-omap4 (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-ti-omap4 (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-ti-omap4 (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-lts-raring (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-raring (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-raring (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-armadaxp (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-armadaxp (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-armadaxp (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-lts-xenial (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-xenial (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-xenial (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-saucy (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-saucy (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-lts-saucy (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-manta (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-vivid (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-vivid (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-vivid (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-raspi2 (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-raspi2 (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-mako (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-utopic (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-utopic (Ubuntu Wily)
Status: New => Invalid
** Changed in: linux-lts-utopic (Ubuntu Xenial)
Status: New => Invalid
** Changed in: linux-goldfish (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-flo (Ubuntu Precise)
Status: New => Invalid
** Description changed:
- Placeholder
+ hrtimer_cancel() waits for the completion from the callback, thus it
+ must not be called inside the callback itself. This was already a
+ problem in the past with ALSA hrtimer driver, and the early commit
+ [fcfdebe70759: ALSA: hrtimer - Fix lock-up] tried to address it.
+ However, the previous fix is still insufficient: it may still cause a
+ lockup when the ALSA timer instance reprograms itself in its callback.
+ Then it invokes the start function even in snd_timer_interrupt() that is
+ called in hrtimer callback itself, results in a CPU stall. This is no
+ hypothetical problem but actually triggered by syzkaller fuzzer.
+
+ Break-Fix: - 2ba1fe7a06d3624f9a7586d672b55f08f7c670f3
** Changed in: linux-lts-trusty (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-trusty (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-trusty (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-trusty (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-wily (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-quantal (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-quantal (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-quantal (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-quantal (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-quantal (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-ti-omap4 (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-ti-omap4 (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-ti-omap4 (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-ti-omap4 (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-raring (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-raring (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-raring (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-raring (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-raring (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-armadaxp (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-armadaxp (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-armadaxp (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-armadaxp (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-xenial (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-xenial (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-xenial (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-xenial (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-saucy (Ubuntu Precise)
Status: New => Invalid
** Changed in: linux-lts-saucy (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-saucy (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-saucy (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-saucy (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-manta (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-manta (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-manta (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-manta (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-manta (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-vivid (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-vivid (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-vivid (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-vivid (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-raspi2 (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-raspi2 (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-raspi2 (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-raspi2 (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-mako (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-mako (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-mako (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-mako (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-mako (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-lts-utopic (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-lts-utopic (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-lts-utopic (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-lts-utopic (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-goldfish (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-goldfish (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-goldfish (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-goldfish (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-goldfish (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: linux-flo (Ubuntu Precise)
Importance: Undecided => Medium
** Changed in: linux-flo (Ubuntu Wily)
Importance: Undecided => Medium
** Changed in: linux-flo (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux-flo (Ubuntu Trusty)
Status: New => Invalid
** Changed in: linux-flo (Ubuntu Trusty)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1549200
Title:
CVE-2016-2549
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