SUSE CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47512 net/sched: fq_pie: prevent dismantle issue

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: prevent dismantle issue For some reason, fqpiedestroy did not copy working code from piedestroy and other qdiscs, thus causing elusive bug. Before calling deltimersync&q-adapttimer, we need to ensure timer will...

CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthreadworker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

CVE-2021-47457 can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible()

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthreadworker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

UBUNTU-CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47419 net/sched: sch_taprio: properly cancel timer from taprio_destroy()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47396 mac80211-hwsim: fix late beacon hrtimer handling

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47396 mac80211-hwsim: fix late beacon hrtimer handling

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47396

CVE-2021-47396 is a Linux kernel issue affecting mac80211-hwsim beacon timing. The root cause is improper late hrtimer handling: when a timer fires late, the code re-arms for the next deadline, which can already be in the past, causing repeated misalignment and potential stalls. The fix, as descr...

CVE-2021-47271 usb: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: Fix deadlock issue in cdnspthreadirqhandler Patch fixes the following critical issue caused by deadlock which has been detected during testing NCM class: smp: csd: Detected non-responsive CSD lock 1 on CPU0 smp: csd:...

CVE-2021-47268 usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthreadworker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2...

CVE-2021-47268

CVE-2021-47268: Unity/Linux kernel advisory describes a fix for usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port, addressing a pending hrtimer that may expire after tcpm port destruction. Root cause is a pending hrtimer in tcpm that could fire during module unload,...