CVE-2022-49986 scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Remove WQMEMRECLAIM from storvscerrorwq storvscerrorwq workqueue should not be marked as WQMEMRECLAIM as it doesn't need to make forward progress under memory pressure. Marking this workqueue as WQMEMRECLAIM may...

CVE-2022-49984

CVE-2022-49984 is a Linux kernel vulnerability in the HID Steam driver: the code dereferences a HID report pointer without validating it, enabling a local attacker with a malicious HID device to trigger a NULL pointer dereference in steam_recv/steam_send_report. The issue has been fixed in the ke...

CVE-2022-49984 HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report

In the Linux kernel, the following vulnerability has been resolved: HID: steam: Prevent NULL pointer dereference in steamrecv,sendreport It is possible for a malicious device to forgo submitting a Feature Report. The HID Steam driver presently makes no prevision for this and de-references the...

CVE-2022-49982 media: pvrusb2: fix memory leak in pvr_probe

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix memory leak in pvrprobe The error handling code in pvr2hdwcreate forgets to unregister the v4l2 device. When pvr2hdwcreate returns back to pvr2contextcreate, it calls pvr2contextdestroy to destroy context, but...

CVE-2022-49980

CVE-2022-49980 affects the Linux kernel USB gadget subsystem (udc). A race between uevent callbacks and gadget driver unregistration can cause a use-after-free in usb_udc_uevent(), when it dereferences udc->driver without holding the udc_lock mutex. If the gadget driver is unbound concurrently...

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-2022-49979 net: fix refcount bug in sk_psock_get (2)

In the Linux kernel, the following vulnerability has been resolved: net: fix refcount bug in skpsockget 2 Syzkaller reports refcount bug as follows: ------------ cut here ------------ refcountt: saturated; leaking memory. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

CVE-2022-49979

CVE-2022-49979 concerns a Linux kernel refcount bug in sk_psock_get triggered during an SMC fallback in the connect path, due to a mismatch in the sk_user_data field used by both smc and psock. The root cause is the shared use of sk_user_data by two subsystems; the patch adds a new bit (SK_USER_D...

CVE-2022-49978 fbdev: fb_pm2fb: Avoid potential divide by zero error

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

CVE-2022-49977 ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead ftracestartup does not remove ops from ftraceopslist when ftracestartupenable fails: registerftracefunction ftracestartup registerftracefunction...

CVE-2022-49974 HID: nintendo: fix rumble worker null pointer deref

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: fix rumble worker null pointer deref We can dereference a null pointer trying to queue work to a destroyed workqueue. If the device is disconnected, nintendohidremove is called, in which the rumblequeue is destroye...

CVE-2022-49973 skmsg: Fix wrong last sg check in sk_msg_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

CVE-2022-49971 drm/amd/pm: Fix a potential gpu_metrics_table memory leak

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fix a potential gpumetricstable memory leak Memory is allocated for gpumetricstable in smuv1304initsmctables, but not freed in smuv1304finismctables. This may cause memory leaks, fix it...

CVE-2022-49969 drm/amd/display: clear optc underflow before turn off odm clock

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: clear optc underflow before turn off odm clock Why After ODM clock off, optc underflow bit will be kept there always and clear not work. We need to clear that before clock off. How Clear that if have when clock o...

CVE-2022-49970 bpf, cgroup: Fix kernel BUG in purge_effective_progs

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix kernel BUG in purgeeffectiveprogs Syzkaller reported a triggered kernel BUG as follows: ------------ cut here ------------ kernel BUG at kernel/bpf/cgroup.c:925! invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU: 1 PI...

CVE-2022-49966

The CVE-2022-49966 issue is in the Linux kernel DRM AMD PM subsystem, where the fini_microcode interface for the Sienna Cichlid platform was missing. The root cause is the missing ->fini_microcode hook, which could contribute to memory leaks. The vulnerability is described as locally exploitab...

CVE-2022-49967 bpf: Fix a data-race around bpf_jit_limit.

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a data-race around bpfjitlimit. While reading bpfjitlimit, it can be changed concurrently via sysctl, WRITEONCE in doprocdoulongvecminmax. The size of bpfjitlimit is long, so we need to add a paired READONCE to avoid...

CVE-2022-49965 drm/amd/pm: add missing ->fini_xxxx interfaces for some SMU13 asics

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: add missing -finixxxx interfaces for some SMU13 asics Without these, potential memory leak may be induced...

CVE-2022-49963

In CVE-2022-49963, the Linux kernel vulnerability centers on the drm/i915/ttm CCS handling fix. The issue arises in migrate_copy(), where object copying and address translation fail for large objects: using plain integers can overflow, and emitting PTEs with the entire object size when src is lme...

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...