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...

CVE-2022-49531

The CVE-2022-49531 issue concerns the Linux kernel loop driver’s handling of the lo_device stored in gendisk private data. The vulnerability fix updates the lifecycle so that the lo_device remains valid until the gendisk is freed, addressing a potential deadlock by relaxing safety checks in loop....

CVE-2022-49490 drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5piperelease when deadlock is detected mdp5getglobalstate runs the risk of hitting a -EDEADLK when acquiring the modeset lock, but currently mdp5piperelease doesn't check for if an error is...

CVE-2022-49490

CVE-2022-49490: In the Linux kernel, drm/msm/mdp5 had a NULL dereference risk in mdp5_pipe_release when mdp5_get_global_state could return an error (-EDEADLK) during modeset lock handling. The fix propagates such errors from mdp5_get_global_state to mdp5_pipe_release and returns a proper error in...

CVE-2022-49490

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5piperelease when deadlock is detected mdp5getglobalstate runs the risk of hitting a -EDEADLK when acquiring the modeset lock, but currently mdp5piperelease doesn't check for if an error is...

CVE-2022-49488 drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5mixerrelease when deadlock is detected There is a possibility for mdp5getglobalstate to return -EDEADLK when acquiring the modeset lock, but currently globalstate in mdp5mixerrelease doesn't...

CVE-2022-49488

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5mixerrelease when deadlock is detected There is a possibility for mdp5getglobalstate to return -EDEADLK when acquiring the modeset lock, but currently globalstate in mdp5mixerrelease doesn't...

CVE-2022-49488

In CVE-2022-49488, the Linux kernel subsystem drm/msm/mdp5 is affected. The root cause is that mdp5_get_global_state could return the error -EDEADLK while acquiring the modeset lock, but mdp5_mixer_release did not propagate this error, risking a NULL dereference. The mitigation is a patch to have...

CVE-2022-49488 drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Return error code in mdp5mixerrelease when deadlock is detected There is a possibility for mdp5getglobalstate to return -EDEADLK when acquiring the modeset lock, but currently globalstate in mdp5mixerrelease doesn't...

CVE-2022-49446 nvdimm: Fix firmware activation deadlock scenarios

In the Linux kernel, the following vulnerability has been resolved: nvdimm: Fix firmware activation deadlock scenarios Lockdep reports the following deadlock scenarios for CXL root device power-management, deviceprepare, operations, and deviceshutdown operations for 'ndregion' devices: Chain exis...

CVE-2022-49446 nvdimm: Fix firmware activation deadlock scenarios

In the Linux kernel, the following vulnerability has been resolved: nvdimm: Fix firmware activation deadlock scenarios Lockdep reports the following deadlock scenarios for CXL root device power-management, deviceprepare, operations, and deviceshutdown operations for 'ndregion' devices: Chain exis...

CVE-2022-49446 nvdimm: Fix firmware activation deadlock scenarios

In the Linux kernel, the following vulnerability has been resolved: nvdimm: Fix firmware activation deadlock scenarios Lockdep reports the following deadlock scenarios for CXL root device power-management, deviceprepare, operations, and deviceshutdown operations for 'ndregion' devices: Chain exis...

CVE-2022-49446

In the Linux kernel, the following vulnerability has been resolved: nvdimm: Fix firmware activation deadlock scenarios Lockdep reports the following deadlock scenarios for CXL root device power-management, deviceprepare, operations, and deviceshutdown operations for 'ndregion' devices: Chain exis...

CVE-2022-49446

CVE-2022-49446 affects the Linux kernel’s NVDIMM path, describing deadlock risks in CXL/NVDIMM interactions. The advisory notes possible unsafe locking scenarios involving nd_region keys, nvdimm_bus->reconfig_mutex, system_transition_mutex, and cxl_root/acpi_scan_lock chains, triggered by hold...

CVE-2022-49441

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441 tty: fix deadlock caused by calling printk() under tty_port->lock

In the Linux kernel, the following vulnerability has been resolved: tty: fix deadlock caused by calling printk under ttyport-lock ptywrite invokes kmalloc which may invoke a normal printk to print failure message. This can cause a deadlock in the scenario reported by syz-bot below: CPU0 CPU1 CPU2...

CVE-2022-49441

CVE-2022-49441 relates to a Linux kernel deadlock in tty handling. The root cause is a potential deadlock when kmalloc() path could trigger a printk() while holding tty_port->lock, enabling a cycle with console ownership locks. The described failing scenario involves multiple CPUs acquiring po...