CVE-2021-47116

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corruptedwith an illegally large s_log_groups_per_flex.

CVE-2021-47166

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() The value of mirror->pg_bytes_written should only be updated after asuccessful attempt to flush out the requests on the list.

CVE-2021-47189

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix memory ordering between normal and ordered work functions Ordered work functions aren't guaranteed to be handled by the same threadwhich executed the normal work functions. The only way execution betweennormal/ordered fu...

CVE-2021-47230

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared sothat the SMM flag in the MMU role is always synchronized with the vCPU'sflag. If RSM f...

CVE-2021-47277

In the Linux kernel, the following vulnerability has been resolved: kvm: avoid speculation-based attacks from out-of-range memslot accesses KVM's mechanism for accessing guest memory translates a guest physicaladdress (gpa) to a host virtual address using the right-shifted gpa(also known as gfn) an...

CVE-2021-47319

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs()in virtblk_restore().

CVE-2021-47327

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails arm_smmu_rpm_get() invokes pm_runtime_get_sync(), which increases therefcount of the "smmu" even though the return value is less than 0. The reference co...

CVE-2021-47331

In the Linux kernel, the following vulnerability has been resolved: usb: common: usb-conn-gpio: fix NULL pointer dereference of charger When power on system with OTG cable, IDDIG's interrupt arises beforethe charger registration, it will cause a NULL pointer dereference,fix the issue by registering...

CVE-2021-47365

In the Linux kernel, the following vulnerability has been resolved: afs: Fix page leak There's a loop in afs_extend_writeback() that adds extra pages to a writewe want to make to improve the efficiency of the writeback by making itlarger. This loop stops, however, if we hit a page we can't write ba...

CVE-2021-47423

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/debugfs: fix file release memory leak When using single_open() for opening, single_release() should becalled, otherwise the 'op' allocated in single_open() will be leaked.

CVE-2021-47436

In the Linux kernel, the following vulnerability has been resolved: usb: musb: dsps: Fix the probe error path Commit 7c75bde329d7 ("usb: musb: musb_dsps: request_irq() afterinitializing musb") has inverted the calls todsps_setup_optional_vbus_irq() and dsps_create_musb_pdev() withoutupdating correc...

CVE-2021-47442

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free whendigital_in_send_cmd() failed, which will cause memory leak. Fix itby freeing 'skb' if digital_in_...

CVE-2021-47506

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix use-after-free due to delegation race A delegation break could arrive as soon as we've called vfs_setlease. Adelegation break runs a callback which immediately (innfsd4_cb_recall_prepare) adds the delegation to del_recall...

CVE-2021-47521

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately,we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.

CVE-2021-47542

In the Linux kernel, the following vulnerability has been resolved: net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings() In qlcnic_83xx_add_rings(), the indirect function ofahw->hw_ops->alloc_mbx_args will be called to allocate memory forcmd.req.arg, and there is a d...

CVE-2021-47586

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwmac-rk: fix oob read in rk_gmac_setup KASAN reports an out-of-bounds read in rk_gmac_setup on the line: while (ops->regs[i]) { This happens for most platforms since the regs flexible array member isempty, so the m...

CVE-2022-48809

In the Linux kernel, the following vulnerability has been resolved: net: fix a memleak when uncloning an skb dst and its metadata When uncloning an skb dst and its associated metadata, a newdst+metadata is allocated and later replaces the old one in the skb.This is helpful to have a non-shared dst+...

CVE-2022-48846

In the Linux kernel, the following vulnerability has been resolved: block: release rq qos structures for queue without disk blkcg_init_queue() may add rq qos structures to request queue, previouslyblk_cleanup_queue() calls rq_qos_exit() to release them, but commit8e141f9eb803 ("block: drain file sy...

CVE-2022-48851

In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdm_lte_rx() The netif_rx_ni() function frees the skb so we can't dereference it tosave the skb->len.

CVE-2022-48909

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix connection leak There's a potential leak issue under following execution sequence : smc_release smc_connect_workif (sk->sk_state == SMC_INIT)send_clc_confirimtcp_abort();...sk.sk_state = SMC_ACTIVEsmc_close_activesw...

CVE-2022-48960

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hix5hd2_rx() The skb is delivered to napi_gro_receive() which may free it, aftercalling this, dereferencing skb may trigger use-after-free.

CVE-2022-48966

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevent out of bounds read in mvneta_config_rss() The pp->indir[0] value comes from the user. It is passed to: if (cpu_online(pp->rxq_def)) inside the mvneta_percpu_elect() function. It needs bounds checkedingto ...

CVE-2022-48983

In the Linux kernel, the following vulnerability has been resolved: io_uring: Fix a null-ptr-deref in io_tctx_exit_cb() Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in io_tctx_exit_cb+0x53/0xd3Read of size 4 at addr 0000000000000138 by task file1/1955 CPU: 1 PID: 1955 C...

CVE-2022-49032

In the Linux kernel, the following vulnerability has been resolved: iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw KASAN report out-of-bounds read as follows: BUG: KASAN: global-out-of-bounds in afe4404_read_raw+0x2ce/0x380Read of size 4 at addr ffffffffc00e4658 by task cat/278 Call...

CVE-2023-52573

In the Linux kernel, the following vulnerability has been resolved: net: rds: Fix possible NULL-pointer dereference In rds_rdma_cm_event_handler_cmn() check, if conn pointer existsbefore dereferencing it as rdma_set_service_type() argument Found by Linux Verification Center (linuxtesting.org) with ...

CVE-2023-52844

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: psi: Add check for kstrdup Add check for the return value of kstrdup() and return the errorif it fails in order to avoid NULL pointer dereference.

CVE-2023-52861

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: it66121: Fix invalid connector dereference Fix the NULL pointer dereference when no monitor is connected, and thesound card is opened from userspace. Instead return an empty buffer (of zeroes) as the EDID information t...

CVE-2023-52862

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null pointer dereference in error message This patch fixes a null pointer dereference in the error message that isprinted when the Display Core (DC) fails to initialize. The originalmessage includes the DC vers...

CVE-2023-52879

In the Linux kernel, the following vulnerability has been resolved: tracing: Have trace_event_file have ref counters The following can crash the kernel: cd /sys/kernel/tracing echo 'p:sched schedule' > kprobe_events exec 5>>events/kprobes/sched/enable > kprobe_events exec 5>&- The ab...

CVE-2023-52912

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed bug on error when unloading amdgpu Fixed bug on error when unloading amdgpu. The error message is as follows:[ 377.706202] kernel BUG at drivers/gpu/drm/drm_buddy.c:278![ 377.706215] invalid opcode: 0000 [#1] PREE...

CVE-2024-35916

In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fix NULL pointer dereference in sanitycheck() If due to a memory allocation failure mock_chain() returns NULL, it ispassed to dma_fence_enable_sw_signaling() resulting in NULL pointerdereference there. Call dma_fence_enabl...

CVE-2024-36888

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix selection of wake_cpu in kick_pool() With cpu_possible_mask=0-63 and cpu_online_mask=0-7 the followingkernel oops was observed: smp: Bringing up secondary CPUs ...smp: Brought up 1 node, 8 CPUsUnable to handle kernel...

CVE-2024-38623

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Use variable length array instead of fixed size Should fix smatch warning:ntfs_set_label() error: __builtin_memcpy() 'uni->name' too small (20 vs 256)

CVE-2024-40899

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd() We got the following issue in a fuzz test of randomly issuing the restorecommand: ==================================================================BUG: KASAN: sla...

CVE-2024-43857

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null reference error when checking end of zone This patch fixes a potentially null pointer being accessed byis_end_zone_blkaddr() that checks the last block of a zonewhen f2fs is mounted as a single device.

CVE-2024-44943

In the Linux kernel, the following vulnerability has been resolved: mm: gup: stop abusing try_grab_folio A kernel warning was reported when pinning folio in CMA memory whenlaunching SEV virtual machine. The splat looks like: [ 464.325306] WARNING: CPU: 13 PID: 6734 at mm/gup.c:1313 __get_user_pages...

CVE-2024-44956

In the Linux kernel, the following vulnerability has been resolved: drm/xe/preempt_fence: enlarge the fence critical section It is really easy to introduce subtle deadlocks inpreempt_fence_work_func() since we operate on single global ordered-wqfor signalling our preempt fences behind the scenes, s...

CVE-2024-49876

In the Linux kernel, the following vulnerability has been resolved: drm/xe: fix UAF around queue destruction We currently do stuff like queuing the final destruction step on arandom system wq, which will outlive the driver instance. With badtiming we can teardown the driver with one or more work wo...

CVE-2024-50100

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix "task hung" problem The syzbot fuzzer has been encountering "task hung" problems eversince the dummy-hcd driver was changed to use hrtimers instead ofregular timers. It turns out that the problems are ca...

CVE-2024-56537

In the Linux kernel, the following vulnerability has been resolved: drm: xlnx: zynqmp_disp: layer may be null while releasing layer->info can be null if we have an error on the first layer inzynqmp_disp_create_layers

CVE-2024-56671

In the Linux kernel, the following vulnerability has been resolved: gpio: graniterapids: Fix vGPIO driver crash Move setting irq_chip.name from probe() function to the initializationof "irq_chip" struct in order to fix vGPIO driver crash during bootup. Crash was caused by unauthorized modification ...

CVE-2021-47109

In the Linux kernel, the following vulnerability has been resolved: neighbour: allow NUD_NOARP entries to be forced GCed IFF_POINTOPOINT interfaces use NUD_NOARP entries for IPv6. It's possible tofill up the neighbour table with enough entries that it will overflow forvalid connections after that. ...

CVE-2021-47111

In the Linux kernel, the following vulnerability has been resolved: xen-netback: take a reference to the RX task thread Do this in order to prevent the task from being freed if the threadreturns (which can be triggered by the frontend) before the call tokthread_stop done as part of the backend tear...

CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the masterrequest link list, otherwise we may get use-after-free when firstio_link_timeout_fn() puts linked timeout in the...

CVE-2021-47145

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUG_ON in link_to_fixup_dir While doing error injection testing I got the following panic kernel BUG at fs/btrfs/tree-log.c:1862!invalid opcode: 0000 [#1] SMP NOPTICPU: 1 PID: 7836 Comm: mount Not tainted 5.13.0-rc1+ ...

CVE-2021-47226

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Both Intel and AMD consider it to be architecturally valid for XRSTOR tofail with #PF but nonetheless change the register state. The actualconditions under whic...

CVE-2021-47231

In the Linux kernel, the following vulnerability has been resolved: can: mcba_usb: fix memory leak in mcba_usb Syzbot reported memory leak in SocketCAN driver for Microchip CAN BUSAnalyzer Tool. The problem was in unfreed usb_coherent. In mcba_usb_start() 20 coherent buffers are allocated and there...

CVE-2021-47248

In the Linux kernel, the following vulnerability has been resolved: udp: fix race between close() and udp_abort() Kaustubh reported and diagnosed a panic in udp_lib_lookup().The root cause is udp_abort() racing with close(). Bothracing functions acquire the socket lock, but udp{v6}_destroy_sock()re...

CVE-2021-47270

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference inf_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm}by simply reusing the 5gbps config for 10gbps.

CVE-2021-47276

In the Linux kernel, the following vulnerability has been resolved: ftrace: Do not blindly read the ip address in ftrace_bug() It was reported that a bug on arm64 caused a bad ip address to be used forupdating into a nop in ftrace_init(), but the error path (rightfully)returned -EINVAL and not -EFA...