CVE-2022-49522

CVE-2022-49522 concerns a Linux kernel MMC driver issue (mmc: jz4740) where DMA maps could exceed the DMA engine’s capabilities. The root cause is not a research-level flaw but an inadequate limit on the maximum segment size for DMA data transfers. The fix enforces DMA engine limits on the jz4740...

CVE-2022-49507

CVE-2022-49507 affects the Linux kernel regulator driver for the da9121 (regulator/da9121-regulator.c). The issue arises when da9121_assign_chip_model() accesses regmap without it being initialized due to an invalid chip->subvariant_id (set to -EINVAL by a malformed device tree). This leads to...

CVE-2022-49501 usbnet: Run unregister_netdev() before unbind() again

In the Linux kernel, the following vulnerability has been resolved: usbnet: Run unregisternetdev before unbind again Commit 2c9d6c2b871d "usbnet: run unbind before unregisternetdev" sought to fix a use-after-free on disconnect of USB Ethernet adapters. It turns out that a different fix is necessa...

CVE-2022-49481 regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

In the Linux kernel, the following vulnerability has been resolved: regulator: pfuze100: Fix refcount leak in pfuzeparseregulatorsdt ofnodeget returns a node with refcount incremented. Calling ofnodeput to drop the reference when not needed anymore...

CVE-2022-49480 ASoC: imx-hdmi: Fix refcount leak in imx_hdmi_probe

In the Linux kernel, the following vulnerability has been resolved: ASoC: imx-hdmi: Fix refcount leak in imxhdmiprobe offinddevicebynode takes reference, we should use putdevice to release it. when devmkzalloc fails, it doesn't have a putdevice, it will cause refcount leak. Add missing putdevice ...

CVE-2022-49476 mt76: mt7921: fix kernel crash at mt7921_pci_remove

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash at mt7921pciremove The crash log shown it is possible that mt7921irqhandler is called while devmfreeirq is being handled so mt76freedevice need to be postponed until devmfreeirq is completed to solv...

CVE-2022-49470 Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio: fix use-after-free at btmtksdiorecvevent We should not access skb buffer data anymore after hcirecvframe was called. 39.634809 BUG: KASAN: use-after-free in btmtksdiorecvevent+0x1b0 39.634855 Read of size 1 ...

CVE-2022-49471 rtw89: cfo: check mac_id to avoid out-of-bounds

In the Linux kernel, the following vulnerability has been resolved: rtw89: cfo: check macid to avoid out-of-bounds Somehow, hardware reports incorrect macid and pollute memory. Check index before we access the array. UBSAN: array-index-out-of-bounds in rtw89/phy.c:2517:23 index 188 is out of rang...

CVE-2022-49467 drm: msm: fix possible memory leak in mdp5_crtc_cursor_set()

In the Linux kernel, the following vulnerability has been resolved: drm: msm: fix possible memory leak in mdp5crtccursorset drmgemobjectlookup will call drmgemobjectget inside. So cursorbo needs to be put when msmgemgetandpiniova fails...

CVE-2022-49466 regulator: scmi: Fix refcount leak in scmi_regulator_probe

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

CVE-2022-49436 powerpc/papr_scm: Fix leaking nvdimm_events_map elements

In the Linux kernel, the following vulnerability has been resolved: powerpc/paprscm: Fix leaking nvdimmeventsmap elements Right now 'char ' elements allocated for individual 'statid' in 'paprscmpriv.nvdimmeventsmap' during paprscmpmucheckevents, get leaked in paprscmremove and paprscmpmuregister,...

CVE-2022-49429

CVE-2022-49429 affects the Linux kernel’s RDMA/hfi1 subsystem. When the hfi1 module is loaded with SDMA disabled (HFI1_CAP_SDMA off), a call to hfi1_write_iter() can dereference a NULL pointer, causing a kernel panic through the I/O path (sdma_select_user_engine → hfi1_user_sdma_process_request →...

CVE-2022-49418

The CVE-2022-49418 entry concerns a Linux kernel NFSv4 crash during referral lookup caused by using an uninitialized nfs4_label. The fix, as described in the provided documents, sends along the already-allocated fattr with nfs4_fs_locations and drops the memcpy of fattr, which avoids two extra al...

CVE-2022-49418 NFSv4: Fix free of uninitialized nfs4_label on referral lookup.

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix free of uninitialized nfs4label on referral lookup. Send along the already-allocated fattr along with nfs4fslocations, and drop the memcpy of fattr. We end up growing two more allocations, but this fixes up a crash as:...

CVE-2022-49390 macsec: fix UAF bug for real_dev

In the Linux kernel, the following vulnerability has been resolved: macsec: fix UAF bug for realdev Create a new macsec device but not get reference to realdev. That can not ensure that realdev is freed after macsec. That will trigger the UAF bug for realdev as following:...

CVE-2022-49376 scsi: sd: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix potential NULL pointer dereference If sdprobe sees an early error before sdkp-device is initialized, sdzbcreleasedisk is called. This causes a NULL pointer dereference when sdiszoned is called inside that function...

CVE-2022-49356

CVE-2022-49356 affects the Linux kernel SUNRPC RDMA path. The vulnerability arises when svc_rdma_build_writes() can walk past the end of a Write chunk’s segment array, enabling a potential out-of-bounds condition. The issue was detected with KASAN and is addressed by a fix in the write path (net/...

CVE-2022-49324 mips: cpc: Fix refcount leak in mips_cpc_default_phys_base

In the Linux kernel, the following vulnerability has been resolved: mips: cpc: Fix refcount leak in mipscpcdefaultphysbase Add the missing ofnodeput to release the refcount incremented by offindcompatiblenode...

CVE-2022-49322

The CVE-2022-49322 issue affects the Linux kernel in PREEMPT_RT builds when bootparams include trace_event=initcall:initcall_start tp_printk=1. In this scenario, output_printk() triggers a sleepable rt-spinlock usage via rt_spin_lock, causing a sleeping function to be called from an invalid conte...

CVE-2022-49320 dmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type

In the Linux kernel, the following vulnerability has been resolved: dmaengine: zynqmpdma: In struct zynqmpdmachan fix descsize data type In zynqmpdmaalloc/freechanresources functions there is a potential overflow in the below expressions. dmaalloccoherentchan-dev, 2 chan-descsize ZYNQMPDMANUMDESC...