CVE-2022-50144

In the Linux kernel, the following vulnerability has been resolved: soundwire: revisit driver bind/unbind and callbacks In the SoundWire probe, we store a pointer from the driver ops into the 'slave' structure. This can lead to kernel oopses when unbinding codec drivers, e.g. with the following...

CVE-2022-50078

In the Linux kernel, the following vulnerability has been resolved: tracing/eprobes: Do not allow eprobes to use $stack, or % for regs While playing with event probes eprobes, I tried to see what would happen if I attempted to retrieve the instruction pointer %rip knowing that event probes do not...

CVE-2022-50044

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: start MHI channel after endpoit creation MHI channel may generates event/interrupt right after enabling. It may leads to 2 race conditions issues. 1 Such event may be dropped by qcommhiqrtrdlcallback at check: if !qdev...

CVE-2022-50006

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2 fix problems with nfs42sscopen A destination server while doing a COPY shouldn't accept using the passed in filehandle if its not a regular filehandle. If allocfilepseudo has failed, we need to decrement a reference on th...

CVE-2022-49963

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: fix CCS handling Crucible + recent Mesa seems to sometimes hit: GEMBUGONnumccsblks NUMCCSBLKSPERXFER And it looks like we can also trigger this with gemlmemswapping, if we modify the test to use slightly larger obje...

CVE-2022-49945

In the Linux kernel, the following vulnerability has been resolved: hwmon: gpio-fan Fix array out of bounds access The driver does not check if the cooling state passed to gpiofansetcurstate exceeds the maximum cooling state as stored in fandata-numspeeds. Since the cooling state is later used as...

CVE-2022-50206

In the Linux kernel, the following vulnerability has been resolved: arm64: fix oops in concurrently setting insnemulation sysctls emulationprochandler changes table-data for procdointvecminmax and can generate the following Oops if called concurrently with itself: | Unable to handle kernel NULL...

UBUNTU-CVE-2022-50177

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fix ksoftirqd boosting timing and iteration The RCU priority boosting can fail in two situations: 1 If nrcpus= maxcpus=, which means if the total number of CPUs is higher than those brought online at boot, then...

CVE-2022-50214 coresight: Clear the connection field properly

In the Linux kernel, the following vulnerability has been resolved: coresight: Clear the connection field properly coresight devices track their connections output connections and hold a reference to the fwnode. When a device goes away, we walk through the devices on the coresight bus and make su...

CVE-2022-50183 drm/meson: encoder_cvbs: Fix refcount leak in meson_encoder_cvbs_init

In the Linux kernel, the following vulnerability has been resolved: drm/meson: encodercvbs: Fix refcount leak in mesonencodercvbsinit ofgraphgetremotenode returns remote device nodepointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount...

CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50096 x86/kprobes: Update kcb status flag after singlestepping

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Update kcb status flag after singlestepping Fix kprobes to update kcb kprobes control block status flag to KPROBEHITSSDONE even if the kp-posthandler is not set. This bug may cause a kernel panic if another INT3 user...

CVE-2022-50046 net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change()

In the Linux kernel, the following vulnerability has been resolved: net/sunrpc: fix potential memory leaks in rpcsysfsxprtstatechange The issue happens on some error handling paths. When the function fails to grab the object xprt, it simply returns 0, forgetting to decrease the reference count of...

CVE-2022-50044 net: qrtr: start MHI channel after endpoit creation

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: start MHI channel after endpoit creation MHI channel may generates event/interrupt right after enabling. It may leads to 2 race conditions issues. 1 Such event may be dropped by qcommhiqrtrdlcallback at check: if !qdev...

CVE-2022-49998

The CVE-2022-49998 issue concerns the Linux kernel’s RxRPC sendmsg path (net/rxrpc/sendmsg.c). The described vulnerability fixes three bugs in rxrpc’s sendmsg implementation: (1) rxrpc_new_client_call() should release the socket lock when returning from rxrpc_get_call_slot(); (2) rxrpc_wait_for_t...

CVE-2022-49998

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix locking in rxrpc's sendmsg Fix three bugs in the rxrpc's sendmsg implementation: 1 rxrpcnewclientcall should release the socket lock when returning an error from rxrpcgetcallslot. 2 rxrpcwaitfortxwindowintr will return...

CVE-2022-49976

CVE-2022-49976 relates to Linux kernel code for x86 Android tablet handling, specifically the Chuwi Hi8 touchscreen issue. The vulnerability stems from the x86_android_tablets path calling x86_acpi_irq_helper_get() which may invoke acpi_unregister_gsi(), leading to touchscreen malfunctions and ke...

CVE-2022-49963 drm/i915/ttm: fix CCS handling

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: fix CCS handling Crucible + recent Mesa seems to sometimes hit: GEMBUGONnumccsblks NUMCCSBLKSPERXFER And it looks like we can also trigger this with gemlmemswapping, if we modify the test to use slightly larger obje...

CVE-2022-49961

Technical details about CVE-2022-49961 are not publicly provided in the supplied documents. No vendor/product specifics or impact are disclosed here. Monitor for updates from EulerOS/kernel advisories and OpenVAS/Nessus entries referencing this CVE.

CVE-2022-49958 net/sched: fix netdevice reference leaks in attach_default_qdiscs()

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev has multiple queues and queue 0 fails to attach qdisc because there is no memory in attachonedefaultqdisc. Then dev-qdisc will be...