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...

kernel: cxgb4: use-after-free in ch_flower_stats_cb()

A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flowerstatstimer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition...

kernel: cxgb4: use-after-free in ch_flower_stats_cb()

A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flowerstatstimer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition...

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 ...

DEBIAN-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...

CVE-2021-47457

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 ...

UBUNTU-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...

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 ...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a panic that occurs when timertype has a garbage value...

DEBIAN-CVE-2023-52847

In the Linux kernel, the following vulnerability has been resolved: media: bttv: fix use after free error due to btv-timeout timer There may be some a race condition between timer function bttvirqtimeout and bttvremove. The timer is setup in probe and there is no timerdelete operation in remove...