DEBIAN-CVE-2022-49954

In the Linux kernel, the following vulnerability has been resolved: Input: iforce - wake up after clearing IFORCEXMITRUNNING flag syzbot is reporting hung task at inputunregisterdevice 1, for iforceclose waiting at waiteventinterruptible with dev-mutex held is blocking inputdisconnectdevice from...

UBUNTU-CVE-2022-50103

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

UBUNTU-CVE-2022-49990

In the Linux kernel, the following vulnerability has been resolved: s390: fix double free of GS and RI CBs on fork failure The pointers for guarded storage and runtime instrumentation control blocks are stored in the threadstruct of the associated task. These pointers are initially copied on fork...

UBUNTU-CVE-2022-50089

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure pages are unlocked on cowfilerange failure There is a hungtask report on zoned btrfs like below. https://github.com/naota/linux/issues/59 726.328648 INFO: task rocksdb:high0:11085 blocked for more than 241 seconds...

CVE-2022-50202

CVE-2022-50202 maps to a Linux kernel vulnerability in the PM: hibernate flow where resuming from hibernation defers device probing. The described race involves probe_count, with wait_for_device_probe() potentially sleeping indefinitely while misc_mtx is held, due to three conditions (a device no...

CVE-2022-50193 erofs: wake up all waiters after z_erofs_lzma_head ready

In the Linux kernel, the following vulnerability has been resolved: erofs: wake up all waiters after zerofslzmahead ready When the user mounts the erofs second times, the decompression thread may hung. The problem happens due to a sequence of steps like the following: 1 Task A called...

CVE-2022-50193

CVE-2022-50193 concerns Linux kernel erofs: wake up all waiters after z_erofs_lzma_head is ready. The issue can cause the decompression thread to hang when mounting erofs a second time due to a sequence where Task A loads lzma config and fills z_erofs_lzma_head after Task B has already slept wait...

CVE-2022-50193 erofs: wake up all waiters after z_erofs_lzma_head ready

In the Linux kernel, the following vulnerability has been resolved: erofs: wake up all waiters after zerofslzmahead ready When the user mounts the erofs second times, the decompression thread may hung. The problem happens due to a sequence of steps like the following: 1 Task A called...

CVE-2022-50174

The CVE-2022-50174 issue affects the Linux kernel net/hinic path when a hinic device is used as a bond slave and statistics are read from the master bond device. The root cause is in hinic_get_stats64(), which previously called down(&nic_dev->mgmt_lock) to protect a critical section, risking s...

CVE-2022-50103 sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

CVE-2022-50103 sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

In the Linux kernel, the following vulnerability has been resolved: sched, cpuset: Fix dlcpubusy panic due to empty cs-cpusallowed With cgroup v2, the cpuset's cpusallowed mask can be empty indicating that the cpuset will just use the effective CPUs of its parent. So cpusetcanattach can call...

CVE-2022-50100

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50100 sched/core: Do not requeue task on CPU excluded from cpus_mask

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50100

CVE-2022-50100 affects the Linux kernel sched/core: Do not requeue a task on a CPU excluded from cpus_mask. The issue arises from a ttwu wakeup optimization that could queue a task on the wrong CPU, triggering an early-boot warning on large machines. The commit c6e7bd7afaeb implements a fix by en...

CVE-2022-50100 sched/core: Do not requeue task on CPU excluded from cpus_mask

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue task on CPU excluded from cpusmask The following warning was triggered on a large machine early in boot on a distribution kernel but the same problem should also affect mainline. WARNING: CPU: 439 PID: ...

CVE-2022-50089

CVE-2022-50089 affects the Linux kernel with the btrfs file system. The issue occurs when cow_file_range() fails mid-allocation (unlock=0) and may leave pages locked, potentially causing a hung task in zoned btrfs setups (as described in the provided reports). The included details show that the f...

CVE-2022-50089 btrfs: ensure pages are unlocked on cow_file_range() failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure pages are unlocked on cowfilerange failure There is a hungtask report on zoned btrfs like below. https://github.com/naota/linux/issues/59 726.328648 INFO: task rocksdb:high0:11085 blocked for more than 241 seconds...

CVE-2022-49980 USB: gadget: Fix use-after-free Read in usb_udc_uevent()

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix use-after-free Read in usbudcuevent The syzbot fuzzer found a race between uevent callbacks and gadget driver unregistration that can cause a use-after-free bug:...

CVE-2022-49954

The CVE-2022-49954 issue concerns the Linux kernel and a race where, after clearing IFORCE_XMIT_RUNNING, wake_up was not invoked, causing a hung task in input handling (hang at __input_unregister_device() during iforce_close and input_disconnect_device()). The root cause per the provided descript...

CVE-2022-49954 Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag

In the Linux kernel, the following vulnerability has been resolved: Input: iforce - wake up after clearing IFORCEXMITRUNNING flag syzbot is reporting hung task at inputunregisterdevice 1, for iforceclose waiting at waiteventinterruptible with dev-mutex held is blocking inputdisconnectdevice from...