CVE-2021-46965

In the Linux kernel, the following vulnerability has been resolved: mtd: physmap: physmap-bt1-rom: Fix unintentional stack access Cast &data to (char *) in order to avoid unintentionally accessingthe stack. Notice that data is of type u32, so any increment to &datawill be in the order of 4-byte chu...

CVE-2021-46971

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix unconditional security_locked_down() call Currently, the lockdown state is queried unconditionally, even thoughits result is used only if the PERF_SAMPLE_REGS_INTR bit is set inattr.sample_type. While that doesn't ma...

CVE-2021-46968

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: fix zcard and zqueue hot-unplug memleak Tests with kvm and a kmemdebug kernel showed, that on hot unplug thezcard and zqueue structs for the unplugged card or queue are notproperly freed because of a mismatch with get/...

CVE-2021-46974

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix masking negation logic upon negative dst register The negation logic for the case where the off_reg is sitting in thedst register is not correct given then we cannot just invert the addto a sub or vice versa. As a fix, per...

CVE-2021-46970

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: pci_generic: Remove WQ_MEM_RECLAIM flag from state workqueue A recent change created a dedicated workqueue for the state-change workwith WQ_HIGHPRI (no strong reason for that) and WQ_MEM_RECLAIM flags,but the state-change...

CVE-2021-46969

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: core: Fix invalid error returning in mhi_queue mhi_queue returns an error when the doorbell is not accessible inthe current state. This can happen when the device is in non M0state, like M3, and needs to be waken-up prior...

CVE-2021-46964

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Reserve extra IRQ vectors Commit a6dcfe08487e ("scsi: qla2xxx: Limit interrupt vectors to number ofCPUs") lowers the number of allocated MSI-X vectors to the number of CPUs. That breaks vector allocation assumptions ...

CVE-2021-46972

In the Linux kernel, the following vulnerability has been resolved: ovl: fix leaked dentry Since commit 6815f479ca90 ("ovl: use only uppermetacopy state inovl_lookup()"), overlayfs doesn't put temporary dentry when there is ametacopy error, which leads to dentry leaks when shutting down the related...

CVE-2021-47035

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Remove WO permissions on second-level paging entries When the first level page table is used for IOVA translation, it onlysupports Read-Only and Read-Write permissions. The Write-Only permissionis not supported as the P...

CVE-2021-47029

In the Linux kernel, the following vulnerability has been resolved: mt76: connac: fix kernel warning adding monitor interface Fix the following kernel warning adding a monitor interface inmt76_connac_mcu_uni_add_dev routine. [ 507.984882] ------------[ cut here ]------------[ 507.989515] WARNING: C...

CVE-2021-47055

In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOCK modify protection bits. Thus requirewrite permission. Depending on the hardware MEMLOCK might even bewrite-once, e.g. for SPI-NOR flashes...

CVE-2021-47040

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems inio_provide_buffers_prep(). As Linus pointed out previous attempt did nothinguseful, see d81269fecb8ce ("io_urin...

CVE-2021-47011

In the Linux kernel, the following vulnerability has been resolved: mm: memcontrol: slab: fix obtain a reference to a freeing memcg Patch series "Use obj_cgroup APIs to charge kmem pages", v5. Since Roman's series "The new cgroup slab memory controller" applied.All slab objects are charged with the...

CVE-2021-47016

In the Linux kernel, the following vulnerability has been resolved: m68k: mvme147,mvme16x: Don't wipe PCC timer config bits Don't clear the timer 1 configuration bits when clearing the interrupt flagand counter overflow. As Michael reported, "This results in no timerinterrupts being delivered after...

CVE-2021-47004

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid touching checkpointed data in get_victim() In CP disabling mode, there are two issues when using LFS or SSR | AT_SSRmode to select victim: LFS is set to find source section during GC, the victim should haveno che...

CVE-2021-46999

In the Linux kernel, the following vulnerability has been resolved: sctp: do asoc update earlier in sctp_sf_do_dupcook_a There's a panic that occurs in a few of envs, the call trace is as below: [] general protection fault, ... 0x29acd70f1000a: 0000 [#1] SMP PTI[] RIP: 0010:sctp_ulpevent_notify_pee...

CVE-2021-46979

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix ioctl handlers removal Currently ioctl handlers are removed twice. For the first time duringiio_device_unregister() then later on insideiio_device_unregister_eventset() and iio_buffers_free_sysfs_and_mask().Double fr...

CVE-2021-46963

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue...

CVE-2021-46960

In the Linux kernel, the following vulnerability has been resolved: cifs: Return correct error code from smb2_get_enc_key Avoid a warning if the error percolates back up: [440700.376476] CIFS VFS: \otters.example.com crypt_message: Could not get encryption key[440700.386947] ------------[ cut here ...

CVE-2021-46961

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Do not enable irqs when handling spurious interrups We triggered the following error while running our 4.19 kernelwith the pseudo-NMI patches backported to it: [ 14.816231] ------------[ cut here ]------------[ 14.8...

CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via adebugfs file (entry_flush), which causes the kernel to patch itself toenable/disable the relevant mitigat...

CVE-2021-46962

In the Linux kernel, the following vulnerability has been resolved: mmc: uniphier-sd: Fix a resource leak in the remove function A 'tmio_mmc_host_free()' call is missing in the remove function, in orderto balance a 'tmio_mmc_host_alloc()' call in the probe.This is done in the error handling path of...

CVE-2021-46955

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix stack OOB read while fragmenting IPv4 packets running openvswitch on kernels built with KASAN, it's possible to see thefollowing splat while testing fragmentation of IPv4 packets: BUG: KASAN: stack-out-of-bounds in...

CVE-2021-46966

In the Linux kernel, the following vulnerability has been resolved: ACPI: custom_method: fix potential use-after-free issue In cm_write(), buf is always freed when reaching the end of thefunction. If the requested count is less than table.length, theallocated buffer will be freed but subsequent cal...

CVE-2021-46967

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix vm_flags for virtqueue doorbell mapping The virtqueue doorbell is usually implemented via registeres but wedon't provide the necessary vma->flags like VM_PFNMAP. This may causeseveral issues e.g when userspace tr...

CVE-2021-46956

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix memory leak in virtio_fs_probe() When accidentally passing twice the same tag to qemu, kmemleak ended upreporting a memory leak in virtiofs. Also, looking at the log I saw thefollowing error (that's when I realised th...

CVE-2021-47013

In the Linux kernel, the following vulnerability has been resolved: net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send In emac_mac_tx_buf_send, it calls emac_tx_fill_tpd(..,skb,..).If some error happens in emac_tx_fill_tpd(), the skb will be freed viadev_kfree_skb(skb) in error branch ...

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcp_sock_bind/connect Commits 8a4cd82d ("nfc: fix refcount leak in llcp_sock_connect()")and c33b1cc62 ("nfc: fix refcount leak in llcp_sock_bind()")fixed a refcount leak bug in bind/connect but introduc...

CVE-2021-47017

In the Linux kernel, the following vulnerability has been resolved: ath10k: Fix a use after free in ath10k_htc_send_bundle In ath10k_htc_send_bundle, the bundle_skb could be freed bydev_kfree_skb_any(bundle_skb). But the bundle_skb is used laterby bundle_skb->len. As skb_len = bundle_skb->len...

CVE-2021-47005

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix NULL pointer dereference for ->get_features() get_features ops of pci_epc_ops may return NULL, causing NULL pointerdereference in pci_epf_test_alloc_space function. Let us add a check forpci_epc_feature pointe...

CVE-2020-36787

In the Linux kernel, the following vulnerability has been resolved: media: aspeed: fix clock handling logic Video engine uses eclk and vclk for its clock sources and its resetcontrol is coupled with eclk so the current clock enabling sequence workslike below. Enable eclkDe-assert Video Engine reset...

CVE-2021-47009

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak on object td Two error return paths are neglecting to free allocated object td,causing a memory leak. Fix this by returning via the error returnpath that securely kfree's td. Fixes clang scan-build wa...

CVE-2021-47022

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memleak when mt7615_unregister_device() mt7615_tx_token_put() should get call before mt76_free_pending_txwi().

CVE-2021-47042

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dc_link_construct(): unreferenced object 0xffffa03e81471400 (size 1024):comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s)hex dump (first...

CVE-2021-47003

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix potential null dereference on pointer status There are calls to idxd_cmd_exec that pass a null status pointer howevera recent commit has added an assignment to *status that can end upwith a null pointer derefer...

CVE-2021-46987

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when cloning inline extents and using qgroups There are a few exceptional cases where cloning an inline extent needs tocopy the inline extent data into a page of the destination inode. When this happens, we end ...

CVE-2021-47030

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memory leak in mt7615_coredump_work Similar to the issue fixed in mt7921_coredump_work, fix a possible memoryleak in mt7615_coredump_work routine.

CVE-2021-46998

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enic_hard_start_xmit In enic_hard_start_xmit, it calls enic_queue_wq_skb(). Insideenic_queue_wq_skb, if some error happens, the skb will be freedby dev_kfree_skb(skb). But the freed skb is...

CVE-2021-47021

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix memleak when mt7915_unregister_device() mt7915_tx_token_put() should get call before mt76_free_pending_txwi().

CVE-2021-46983

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, aretry counter exceeded error is received. This leads tonvmet_rdma_error_comp which tried accessing the cq_con...

CVE-2021-46959

In the Linux kernel, the following vulnerability has been resolved: spi: Fix use-after-free with devm_spi_alloc_* We can't rely on the contents of the devres list duringspi_unregister_controller(), as the list is already torn down at thetime we perform devres_find() for devm_spi_release_controller....

CVE-2021-47058

In the Linux kernel, the following vulnerability has been resolved: regmap: set debugfs_name to NULL after it is freed There is a upstream commit cffa4b2122f5("regmap:debugfs:Fix a memory leak when calling regmap_attach_dev") thatadds a if condition when create name for debugfs_name.With below func...

CVE-2021-46985

In the Linux kernel, the following vulnerability has been resolved: ACPI: scan: Fix a memory leak in an error handling path If 'acpi_device_set_name()' fails, we must free'acpi_device_bus_id->bus_id' or there is a (potential) memory leak.

CVE-2021-47028

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix txrate reporting Properly check rate_info to fix unexpected reporting. [ 1215.161863] Call trace:[ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211][ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [m...

CVE-2021-47031

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix memory leak in mt7921_coredump_work Fix possible memory leak in mt7921_coredump_work.

CVE-2021-47047

In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails The spi controller supports 44-bit address space on AXI in DMA mode,so set dma_addr_t width to 44-bit to avoid using a swiotlb mapping.In addition, if dma_map_single fai...

CVE-2021-46957

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe The execution of sys_read end up hitting a BUG_ON() in __find_get_blockafter installing kprobe at sys_read, the BUG message like the following: [ 65.708663] ---...

CVE-2021-47027

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. [ 9.444758] kernel BUG at drivers/pci/msi.c:375![ 9.449363] Internal error: Oops - BUG: 0 [#1] P...

CVE-2021-47015

In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Fix RX consumer index logic in the error path. In bnxt_rx_pkt(), the RX buffers are expected to complete in order.If the RX consumer index indicates an out of order buffer completion,it means we are hitting a hardware bug ...

CVE-2021-47072

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix removed dentries still existing after log is synced When we move one inode from one directory to another and both the inodeand its previous parent directory were logged before, we are not supposedto have the dentry for t...