SUSE 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 ...

SUSE CVE-2021-47451

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: fix panic that occurs when timertype has garbage value Currently, when the rule related to IDLETIMER is added, idletimertg timer structure is initialized by kmalloc on executing idletimertgcreate function...

DEBIAN-CVE-2021-47512

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...

UBUNTU-CVE-2021-47512

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-2021-47512 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-2021-47512

The CVE-2021-47512 issue affects the Linux kernel’s net/sched fq_pie/Qdisc handling. fq_pie_destroy() failed to copy logic from pie_destroy() and related qdiscs, risking a timer rearm during del_timer_sync(&q->adapt_timer) and potentially triggering an rcu stall or related instability. The pro...

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...

PT-2024-6496

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue has been reported regarding the timer sc timer on the nilfs sc info structure. The problem is that even though it is used to wake up a sleeping log writer thread, ...

PT-2024-8909

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc4-syzkaller Description: The vulnerability is related to the fq pie component in the Linux kernel, which is responsible for managing network traffic. The issue arises from the fact that the fq pie destr...

SUSE CVE-2021-47356

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...

SUSE CVE-2021-47357

In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fix possible use-after-free in iamoduleexit This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running afte...

CVE-2021-47294

A vulnerability was found in the Linux kernel's NetRom subsystem. This issue arises when socket timers expire, if the timer handler does not decrease the socket reference count as needed, the socket reference count becomes unbalanced. This can result in the socket not being freed properly,...

CVE-2021-47281

A vulnerability was found in the Linux kernel's ALSA sequencer, where the sndseqtimeropen function fails to properly manage concurrent access to timer instances, which could allow multiple calls to override the timer, leading to a potential use-after-free issue if a timer continues running after...

SUSE 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...

SUSE CVE-2021-47278

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pcigeneric: Fix possible use-after-free in mhipciremove This driver's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be...

SUSE CVE-2021-47281

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix race of sndseqtimeropen The timer instance per queue is exclusive, and sndseqtimeropen should have managed the concurrent accesses. It looks as if it's checking the already existing timer instance at the beginning,...

SUSE CVE-2021-47294

In the Linux kernel, the following vulnerability has been resolved: netrom: Decrease sock refcount when sock timers expire Commit 63346650c1a9 "netrom: switch to sock timer API" switched to use sock timer API. It replaces modtimer by skresettimer, and deltimer by skstoptimer. Function skresettime...

SUSE CVE-2021-47321

In the Linux kernel, the following vulnerability has been resolved: watchdog: Fix possible use-after-free by calling deltimersync This driver's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...

SUSE CVE-2021-47323

In the Linux kernel, the following vulnerability has been resolved: watchdog: sc520wdt: Fix possible use-after-free in wdtturnoff This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running...

SUSE CVE-2021-47324

In the Linux kernel, the following vulnerability has been resolved: watchdog: Fix possible use-after-free in wdtstartup This module's remove path calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the...