CVE-2021-47637

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback Following hung tasks: 77.028764 task:kworker/u8:4 state:D stack: 0 pid: 132 77.028820 Call Trace: 77.029027 schedule+0x8c/0x1b0 77.029067 mutexlock+0x50/0x60...

CVE-2021-47637

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback Following hung tasks: 77.028764 task:kworker/u8:4 state:D stack: 0 pid: 132 77.028820 Call Trace: 77.029027 schedule+0x8c/0x1b0 77.029067 mutexlock+0x50/0x60...

UBUNTU-CVE-2021-47637

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback Following hung tasks: 77.028764 task:kworker/u8:4 state:D stack: 0 pid: 132 77.028820 Call Trace: 77.029027 schedule+0x8c/0x1b0 77.029067 mutexlock+0x50/0x60...

CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702 btrfs: fix hang during unmount when block group reclaim task is running

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49702

Summary: CVE-2022-49702 concerns a deadlock in Linux kernel when unmounting a filesystem with an async block group reclaim task relocating data. Multiple reclaim tasks (block-group, metadata/data) can interact with a parked cleaner thread, leading to a hang during close_ctree()/unmount due to del...

CVE-2022-49702 btrfs: fix hang during unmount when block group reclaim task is running

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49696

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free Read in tipcnamedreinit syzbot found the following issue on: ================================================================== BUG: KASAN: use-after-free in tipcnamedreinit+0x94f/0x9b0...

CVE-2022-49547

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49547 btrfs: fix deadlock between concurrent dio writes when low on free data space

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49547 btrfs: fix deadlock between concurrent dio writes when low on free data space

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49547

CVE-2022-49547 relates to a Linux kernel issue in btrfs where deadlocks can occur when reserving data space for direct IO writes under low free space. The deadlock involves concurrent writes to overlapping file ranges ([0,128K) and [128K,256K)) contending for the inode lock and for ordered extent...

CVE-2022-49547 btrfs: fix deadlock between concurrent dio writes when low on free data space

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49536

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: nativequeuedspinlockslowpath+0x192 rawspinlockirqsave+0x32 lpfchandlefcperr+0x4...

CVE-2022-49536

The CVE-2022-49536 entry concerns the Linux kernel SCSI LPFC deadlock in I/O completion and abort handling under heavy stress (500+ vports). Affected component is the lpfc driver within the SCSI subsystem. The root cause is a deadlock between the lpfc_cmd->buf_lock and phba->hbalock during ...

CVE-2022-49536 scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: nativequeuedspinlockslowpath+0x192 rawspinlockirqsave+0x32 lpfchandlefcperr+0x4...

CVE-2022-49536 scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: nativequeuedspinlockslowpath+0x192 rawspinlockirqsave+0x32 lpfchandlefcperr+0x4...

CVE-2022-49536 scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: nativequeuedspinlockslowpath+0x192 rawspinlockirqsave+0x32 lpfchandlefcperr+0x4...

CVE-2022-49531 loop: implement ->free_disk

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...

CVE-2022-49531 loop: implement ->free_disk

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...