CVE-2022-49696 tipc: fix use-after-free Read in tipc_named_reinit

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free Read in tipcnamedreinit syzbot found the following issue on: ================================================================== BUG: KASAN: use-after-free in tipcnamedreinit+0x94f/0x9b0...

CVE-2022-49653

The CVE refers to a Linux kernel i2c piix4 EFCH MMIO memory leak introduced by EFCH MMIO support. The root cause was release_resource() not freeing memory, causing leak; the fix uses release_mem_region() to free memory and restore symmetry between legacy and MMIO paths. Affected component: Linux ...

CVE-2022-49619 net: sfp: fix memory leak in sfp_probe()

In the Linux kernel, the following vulnerability has been resolved: net: sfp: fix memory leak in sfpprobe sfpprobe allocates a memory chunk from sfp with sfpalloc. When devmaddaction fails, sfp is not freed, which leads to a memory leak. We should use devmaddactionorreset instead of devmaddaction...

CVE-2022-49592

CVE-2022-49592 affects the Linux kernel driver net/stmmac: a left-shift overflow in MTL_RXQ_DMA_MAP1 occurs when the number of TX/RX queues exceeds four, due to a 32‑bit mask calculation. UBSAN reports show a shift-out-of-bounds during UBSAN checks, leading to a potential warning path in dwmac4_c...

CVE-2022-49592 net: stmmac: fix dma queue left shift overflow issue

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix dma queue left shift overflow issue When queue number is 4, left shift overflows due to 32 bits integer variable. Mask calculation is wrong for MTLRXQDMAMAP1. If CONFIGUBSAN is enabled, kernel dumps below warning...

CVE-2022-49583 iavf: Fix handling of dummy receive descriptors

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix handling of dummy receive descriptors Fix memory leak caused by not handling dummy receive descriptor properly. iavfgetrxbuffer now sets the rxbuffer return value for dummy receive descriptors. Without this patch, when...

CVE-2022-49554 zsmalloc: fix races between asynchronous zspage free and page migration

In the Linux kernel, the following vulnerability has been resolved: zsmalloc: fix races between asynchronous zspage free and page migration The asynchronous zspage free worker tries to lock a zspage's entire page list without defending against page migration. Since pages which haven't yet been...

CVE-2022-49549 x86/MCE/AMD: Fix memory leak when threshold_create_bank() fails

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Fix memory leak when thresholdcreatebank fails In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated threshold banks array @bp will be leaked because the call to mcethresholdremovedevice...

CVE-2022-49541

The CVE-2022-49541 issue is a Linux kernel CIFS vulnerability: a potential double free during a failed mount. It is classed as HIGH severity (LOCAL access, LOW attack complexity) with impact to confidentiality, integrity, and availability as per the CVSS metrics. Connected advisories (SUSE/RHEL-r...

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,...