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-2022-49700

CVE-2022-49700 is a Linux kernel SLUB allocator bug: the fastpath in slab_alloc_node() can race with slab deactivation, allowing a mismatch where c->slab/c->freelist become inconsistent and can lead to a use-after-free or a page freeing while it still contains slab objects. The issue is tie...

CVE-2022-49700 mm/slub: add missing TID updates on slab deactivation

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add missing TID updates on slab deactivation The fastpath in slaballocnode assumes that c-slab is stable as long as the TID stays the same. However, two places in slaballoc currently don't update the TID when deactivatin...

CVE-2022-49695 igb: fix a use-after-free issue in igb_clean_tx_ring

In the Linux kernel, the following vulnerability has been resolved: igb: fix a use-after-free issue in igbcleantxring Fix the following use-after-free bug in igbcleantxring routine when the NIC is running in XDP mode. The issue can be triggered redirecting traffic into the igb NIC and then closin...

CVE-2022-49693

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp4: Fix refcount leak in mdp4modesetinitintf ofgraphgetremotenode returns remote device node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcoun...

CVE-2022-49694

In the Linux kernel, the following vulnerability has been resolved: block: disable the elevator int delgendisk The elevator is only used for file system requests, which are stopped in delgendisk. Move disabling the elevator and freeing the scheduler tags to the end of delgendisk instead of doing...

CVE-2022-49689

The CVE entry for CVE-2022-49689 is complemented by concrete details in connected documents. The Linux kernel’s xen-blkfront component is affected by a NULL pointer dereference when a VBD is not fully created and then closed, potentially triggering a kernel panic. The root cause involves NULL var...

CVE-2022-49688

In the Linux kernel, the following vulnerability has been resolved: afs: Fix dynamic root getattr The recent patch to make afsgetattr consult the server didn't account for the pseudo-inodes employed by the dynamic root-type afs superblock not having a volume or a server to access, and thus an oop...

CVE-2022-49686

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix list double add in uvcgvideopump A panic can occur if the endpoint becomes disabled and the uvcgvideopump adds the request back to the reqfree list after it has already been queued to the endpoint. The...

CVE-2022-49686 usb: gadget: uvc: fix list double add in uvcg_video_pump

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix list double add in uvcgvideopump A panic can occur if the endpoint becomes disabled and the uvcgvideopump adds the request back to the reqfree list after it has already been queued to the endpoint. The...

CVE-2022-49685

CVE-2022-49685 affects the Linux kernel in the iio: trigger: sysfs path, where a use-after-free occurs in irq_work_run_list when removing a trigger. The advisory states the fix is to ensure that irq_work has completed before the trigger is freed, mitigating a use-after-free in the kernel’s IIO sy...

CVE-2022-49684

In the Linux kernel, the following vulnerability has been resolved: iio: adc: aspeed: Fix refcount leak in aspeedadcsettrimdata offindnodebyname returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49683

In the Linux kernel, the following vulnerability has been resolved: iio: adc: adi-axi-adc: Fix refcount leak in adiaxiadcattachclient ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49682 xtensa: Fix refcount leak bug in time.c

In the Linux kernel, the following vulnerability has been resolved: xtensa: Fix refcount leak bug in time.c In calibrateccount, offindcompatiblenode will return a node pointer with refcount incremented. We should use ofnodeput when it is not used anymore...

CVE-2022-49679

In the Linux kernel, the following vulnerability has been resolved: ARM: Fix refcount leak in axxiabootsecondary offindcompatiblenode returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2022-49678

In the Linux kernel, the following vulnerability has been resolved: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstbpmprobe offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount...

CVE-2022-49676

In the Linux kernel, the following vulnerability has been resolved: memory: samsung: exynos5422-dmc: Fix refcount leak in ofgetdramtimings ofparsephandle returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. This function doesn't call ofnodeput in...

CVE-2022-49673

CVE-2022-49673 concerns the Linux kernel where a KASAN warning in raid5_add_disk was mitigated by validating that rdev->saved_raid_disk is within expected limits during LVM tests (dm raid). The fix is described as adjusting the raid5_add_disks path to ensure bound checks, with the associated c...

CVE-2022-49672

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

CVE-2022-49671

In the Linux kernel, the following vulnerability has been resolved: RDMA/cm: Fix memory leak in ibcminsertlisten cmallocidpriv allocates resource for the cmidpriv. When cminitlisten fails it doesn't free it, leading to memory leak. Add the missing error unwind...