CVE-2025-21731 nbd: don't allow reconnect after disconnect

In the Linux kernel, the following vulnerability has been resolved: nbd: don't allow reconnect after disconnect Following process can cause nbdconfig UAF: 1 grab nbdconfig temporarily; 2 nbdgenldisconnect flush all recvwork and release the initial reference: nbdgenldisconnect nbddisconnectandput...

CVE-2025-21727

CVE-2025-21727 : Linux kernel issue in padata_reorder causing a use-after-free in padata_find_next under certain race conditions. The provided connected documents confirm a KASAN UAF scenario when a parallel padata_reorder/serial flow frees Pd too early and later calls padata_find_next. The remed...

CVE-2025-21727 padata: fix UAF in padata_reorder

In the Linux kernel, the following vulnerability has been resolved: padata: fix UAF in padatareorder A bug was found when run ltp test: BUG: KASAN: slab-use-after-free in padatafindnext+0x29/0x1a0 Read of size 4 at addr ffff88bbfe003524 by task kworker/u113:2/3039206 CPU: 0 PID: 3039206 Comm:...

CVE-2025-21727

In the Linux kernel, the following vulnerability has been resolved: padata: fix UAF in padatareorder A bug was found when run ltp test: BUG: KASAN: slab-use-after-free in padatafindnext+0x29/0x1a0 Read of size 4 at addr ffff88bbfe003524 by task kworker/u113:2/3039206 CPU: 0 PID: 3039206 Comm:...

CVE-2025-21715 net: davicom: fix UAF in dm9000_drv_remove

In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000drvremove dm is netdev private data and it cannot be used after freenetdev call. Using dm after freenetdev can cause UAF bug. Fix it by moving freenetdev at the end of the function. This is similar ...

CVE-2025-21715 net: davicom: fix UAF in dm9000_drv_remove

In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000drvremove dm is netdev private data and it cannot be used after freenetdev call. Using dm after freenetdev can cause UAF bug. Fix it by moving freenetdev at the end of the function. This is similar ...

CVE-2025-21715

The Linux kernel is affected by a Use-after-Free (UAF) vulnerability in the net: davicom component, specifically within the dm9000_drv_remove function. The issue occurs because dm is private data for netdev and cannot be accessed after the free_netdev() call is executed. The vulnerability can be ...

CVE-2022-49669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49390

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

CVE-2022-49047

In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix UAF in ep93xxclkregistergate arch/arm/mach-ep93xx/clock.c:154:2: warning: Use of memory after it is freed clang-analyzer-unix.Malloc arch/arm/mach-ep93xx/clock.c:151:2: note: Taking true branch if ISERRclk ^...

CVE-2022-49669 mptcp: fix race on unaccepted mptcp sockets

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49669 mptcp: fix race on unaccepted mptcp sockets

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49385 driver: base: fix UAF when driver_attach failed

In the Linux kernel, the following vulnerability has been resolved: driver: base: fix UAF when driverattach failed When driverattachdrv; failed, the driverprivate will be freed. But it has been added to the bus, which caused a UAF. To fix it, we need to delete it from the bus when failed...

CVE-2022-49291 ALSA: pcm: Fix races among concurrent hw_params and hw_free calls

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent hwparams and hwfree calls Currently we have neither proper check nor protection against the concurrent calls of PCM hwparams and hwfree ioctls, which may result in a UAF. Since the existing P...

CVE-2022-49288 ALSA: pcm: Fix races among concurrent prealloc proc writes

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent prealloc proc writes We have no protection against concurrent PCM buffer preallocation changes via proc files, and it may potentially lead to UAF or some weird problem. This patch applies the...

CVE-2022-49288

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent prealloc proc writes We have no protection against concurrent PCM buffer preallocation changes via proc files, and it may potentially lead to UAF or some weird problem. This patch applies the...

CVE-2022-49136 Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix queuing commands when HCIUNREGISTER is set hcicmdsyncqueue shall return an error if HCIUNREGISTER flag has been set as that means hciunregisterdev has been called so it will likely cause a uaf after the...

CVE-2021-47646 Revert "Revert "block, bfq: honor already-setup queue merges""

In the Linux kernel, the following vulnerability has been resolved: Revert "Revert "block, bfq: honor already-setup queue merges"" A crash 1 happened to be triggered in conjunction with commit 2d52c58b9c9b "block, bfq: honor already-setup queue merges". The latter was then reverted by commit...

CVE-2022-49053: Use After Free

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmu: Fix possible page UAF tcmutrygetdatapage looks up pages under cmdrlock, but it does not take refcount properly and just returns page pointer. When tcmutrygetdatapage returns, the returned page may have been...