CVE-2021-47612

CVE-2021-47612 (Linux kernel) — A vulnerability in nf cGenl dump paths can cause a null-pointer dereference and kernel crash when kmalloc in nfc_genl_dump_devices() fails, leading to a segfault in nfc_genl_dump_devices_done and related netlink/worker threads. The issue is fixed in the Linux kerne...

CVE-2021-47108

Linux kernel vulnerability CVE-2021-47108 affects Mediatek HDMI support (drm/mediatek) where MT8173 can crash due to a NULL mtk_hdmi_conf dereference when a HDMI cable is plugged in. The issue was addressed by adding a NULL pointer check in mtk_hdmi_bridge_mode_valid() (commit 41ca9caaae0b) and p...

CVE-2021-47116

CVE-2021-47116 concerns the Linux kernel ext4 memory leak. According to the primary description, the vulnerability is triggered when memory leaks on the error path of ext4_mb_init_backend, occurring if a filesystem is corrupted with an illegally large s_log_groups_per_flex. The issue is resolved ...

CVE-2021-47168

The CVE-2021-47168 entry relates to a Linux kernel NFS vulnerability in filelayout_decode_layout where sizeof(struct nfs_fh) was two bytes too large, risking memory corruption. The issue arises from using a size that is larger than the actual buffer (->data[]), and the arguments were reversed ...

CVE-2021-47170

CVE-2021-47170 (Linux kernel) is described in the initial document as a benign user‑request issue where usbfs would emit a WARN when a user submits an excessively large memory allocation for bulk transfers. The vulnerability is not a flaw in kernel logic, but a misinterpretation of invalid reques...

CVE-2021-47176

CVE-2021-47176 affects the Linux kernel s390/dasd subsystem. The issue arises from an omitted discipline function, leading to a panic when the path verification function is invoked for FBA or DIAG devices. A fix defines a wrapper for dasd_generic_verify_path() to restore correct operation and pre...

CVE-2021-47229

CVE-2021-47229 concerns the Linux kernel PCI aardvark driver. A kernel panic could occur when a new PIO transfer is started before the previous one finished; the kernel will issue an External Abort/SSeror interrupt leading to a reboot. The root cause analysis noted a previously added Trusted Firm...

CVE-2021-47237

CVE-2021-47237 relates to a memory leak in the Linux kernel’s net: hamradio mkiss driver. The issue occurs because mkiss_open() allocates a net device but mkiss_close() only unregisters it without freeing, leading to multiple unreferenced objects and memory leaks reported in syzbot logs. The conn...

CVE-2021-47259

CVE-2021-47259 is a Linux kernel use-after-free in NFS: nfs4_init_client. Public docs confirm KASAN-detected UAF when mounting two exports via two NICs on the same server; affected kernels include around 5.7–5.10 with the root cause linked to refcounting changes. The connected Astra/Unity/EulerOS...

CVE-2021-47288

CVE-2021-47288 affects the Linux kernel media: ngene component. Affected code path is ngene_command_config_free_buf(), which previously copied 6 bytes into a one-byte config field of the wrong structure (FW_CONFIGURE_BUFFERS) via a single memcpy(). The fix relocates the 6 additional members into ...

CVE-2021-47337

The CVE-2021-47337 issue is in the Linux kernel SCSI core path: when an error arises during scsi_host_alloc() and the error-handling ehandler thread fails to spawn, shost->ehandler may be set to ERR_PTR(-ENOMEM) and scsi_host_dev_release() would call kthread_stop() on a NULL/invalid pointer, r...

CVE-2021-47339

In CVE-2021-47339, the Linux kernel fix targets media: v4l2-core, addressing uninitialized kernel stack data that could be used as input for driver ioctl handlers due to mistakes in compat ioctl implementation. The resolution requires explicitly clearing the entire ioctl input buffer before conve...

CVE-2021-47360

In CVE-2021-47360, the Linux kernel binder subsystem is affected. During BC_FREE_BUFFER processing, cleanup of BINDER_TYPE_FDA objects may close one or more fds, and because close operations run via the task work mechanism, the thread must return to userspace for the file object to be dereference...

CVE-2021-47516

CVE-2021-47516 concerns a memory‑leak in the Linux kernel’s nfp_cpp_area_cache_add() path. In the function, area = nfp_cpp_area_alloc(..., size) is allocated (#1). If the subsequent cache allocation kzalloc(sizeof(*cache), GFP_KERNEL) fails, the code returns -ENOMEM without freeing the previously...

CVE-2021-47521

CVE-2021-47521 affects the Linux kernel via can: sja1000: fix use after free in ems_pcmcia_add_card(). The fix ensures that when the last channel is unavailable, dev is freed and pdev->irq can be used instead, with an additional check that at least one channel was set up. In the available docu...

CVE-2021-47538

CVE-2021-47538 affects the Linux kernel’s rxrpc component. The root cause is a leak of an rxrpc_local reference in rxrpc_lookup_peer(), where a peer candidate’s local object is not released properly. The fix requires calling rxrpc_put_local() for the peer candidate before kfree(), as the peer hol...

CVE-2021-47622

CVE-2021-47622 affects the Linux kernel SCSI/UFS path. The issue is a deadlock in the error handling flow when all tags are allocated: the SCSI error path triggers ufshcd_eh_host_reset_handler(), which queues work that calls ufshcd_err_handler(), leading to a lockup in the workqueue (ufs_eh_wq_0)...

CVE-2021-47650

CVE-2021-47650: In the Linux kernel, ASoC: soc-compress had a potential null pointer when codec_dai could be NULL if card->dai_link->num_codecs was 0, traced through snd_soc_register_card() -> snd_soc_bind_card() -> soc_init_pcm_runtime() -> snd_soc_dai_compress_new() -> snd_soc...

CVE-2021-47652

The CVE-2021-47652 issue affects the Linux kernel driver path video: fbdev: smscufx (ufx_usb_probe). The root cause was a null pointer dereference when fb_alloc_cmap() fails in the probe path because modelist was not initialized yet; the error handling path called fb_destroy_modelist() leading to...

CVE-2022-3110

CVE-2022-3110 affects the Linux kernel (through 5.16-rc6) and is tied to the r8188eu wireless driver. The vulnerability is in _rtw_init_xmit_priv (drivers/staging/r8188eu/core/rtw_xmit.c), where the return value of rtw_alloc_hwxmits() is not checked, which may lead to a NULL pointer dereference. ...

CVE-2022-48788

The CVE-2022-48788 entry concerns a use-after-free in the Linux kernel nvme-rdma transport error_recovery path. The root cause is a race between submit_async_event and the error_recovery handler where the ctrl state is modified and admin queue destroyed without ensuring the async_event_work is fl...

CVE-2022-48840

CVE-2022-48840: Linux kernel iavf hang on reboot/shutdown due to a new wait-loop in iavf_remove() that could loop indefinitely when adapter is already removed during shutdown. The fix adds a state check at the start of iavf_remove() and skips rest of the function if the adapter is in __IAVF_REMOV...

CVE-2022-48904

CVE-2022-48904 (Linux kernel, IOMMU/AMD) : Fix for an I/O page table memory leak in the IOMMU when launching VMs with PCIe pass-through. Root cause: memory is freed after updating the I/O page table mode, causing leakage. Resolution: free the page-table memory before updating the mode. CVSSv3.1 b...

CVE-2022-48931

CVE-2022-48931: Linux kernel configfs race when calling configfs_register_subsystem()/configfs_unregister_subsystem() can lead to kernel panic due to concurrent list modifications during link_group()/unlink_group(). The root cause is a race in configfs item management when parent configfs_subsyst...

CVE-2022-48950

CVE-2022-48950 affects the Linux kernel: perf_pending_task() UaF could run after the event is freed. The root cause involves two situations: (1) task_work already queued before destroying the event; (2) destroying the event queues task_work. The documented fix is to extend the perf_event lifetime...

CVE-2022-48955

CVE-2022-48955 affects the Linux kernel Thunderbolt net path. The issue is a memory leak in tbnet_open() where tb_ring_alloc_rx() failure could leave the ida allocated in tb_xdomain_alloc_out_hopid() unreleased. The documented fix adds tb_xdomain_release_out_hopid() to the error path to release t...

CVE-2022-49003

CVE-2022-49003 affects the Linux kernel NVMe subsystem. The issue arises from incomplete SRCU protection when walking the nvme_ns_head siblings list during nvme_mpath_revalidate_paths(), and from missing SRCU synchronization when removing namespaces from the list, which can allow a concurrent sca...

CVE-2022-49096

The CVE-2022-49096 issue in the Linux kernel affects the sfc (Solarflare) network driver: after ethtool -G changes to rx/tx ring buffer sizes, the driver reallocates/reinitializes queues but fails to reinitialize the XDP TX queues (efx->xdp_tx_queues). This can lead to the XDP path using an un...

CVE-2022-49106

CVE-2022-49106 affects the Linux kernel (staging: vchiq_arm). The root cause is a potential NULL pointer dereference in vchiq_dump_platform_instances when vchiq_get_state() may return NULL. The vulnerability could impact kernel availability with local access required. A fix is included in upstrea...

CVE-2022-49196

The CVE-2022-49196 issue affects the Linux kernel (powerpc/pseries) and is a use-after-free in remove_phb_dynamic() where phb may be freed after device_unregister() frees host_bridge, potentially crashing with slub_debug/page_poison. The workaround described is to hold a reference to host_bridge-...

CVE-2022-49201

CVE-2022-49201 concerns the Linux kernel, specifically the ibmvnic driver race between reset and xmit paths. The provided data describes a vulnerability where ibmvnic_xmit() may access tx_scrq after it has been freed in the reset path, caused by a race with in-flight ibmvnic_complete_tx() and a r...

CVE-2022-49331

In the Linux kernel, the nfc: st21nfca driver was fixed to address memory leaks in EVT_TRANSACTION handling. The error paths did not free previously allocated memory, and the patch adds devm_kfree() to those failure paths to prevent leaks. The CVE entry CVE-2022-49331 reflects this fix. The avail...

CVE-2022-49495

CVE-2022-49495 : In the Linux kernel, the drm/msm/hdmi driver fails to check the return value of platform_get_resource_byname(), which can lead to a null-pointer dereference if NULL is returned. The issue has been fixed by applying a patch that adds the necessary NULL check (Patchwork: 482992). S...

CVE-2022-49556

The CVE-2022-49556 issue affects the Linux kernel KVM: SVM sev ioctl interfaces. It could cause leakage of uninitialized kernel memory when the length parameter is between SEV_FW_BLOB_MAX_SIZE and the returned data, due to using kmalloc. The fix uses kzalloc for sev ioctl interfaces to allocate c...

CVE-2022-49568

CVE-2022-49568 affects the Linux kernel KVM code path, where a NULL dereference can occur during cleanup if destroy() is assumed non-NULL but is not (notably for some Book3s KVM devices that use release() instead). The root cause is an assumption in kvm_ioctl_create_device() that destroy() is alw...

CVE-2022-49643

CVE-2022-49643 affects the Linux kernel where, when the ima-modsig option is enabled, the value passed to evm_verifyxattr() may be negative, potentially causing an integer overflow in ima_appraise_measurement. The vulnerability is described across multiple vendor advisories (e.g., Miracle Linux, ...

CVE-2022-49648

CVE-2022-49648 – Linux kernel tracing/histograms memory leak fix . The provided documents confirm a memory-leak regression in the tracing/histograms area that occurred after a double-free fix, and that the issue was resolved by reverting the commit described as fixing double free. The description...

CVE-2022-49661

Affected component: Linux kernel, gs_usb driver (USB CAN adapter). Issue: memory leak in gs_usb_open/close where RX URBs allocated with usb_alloc_coherent() were not freed by usb_kill_anchored_urbs() and DMA memory leaked. Root cause: improper freeing pattern; the fix explicitly frees RX URBs and...

CVE-2022-49667

The CVE-2022-49667 issue is a Linux kernel net bonding use-after-free bug triggered by 802.3ad slave unbind. The flaw occurs when bond_3ad_unbind_slave clears an aggregator while there are still ports referencing freed memory, due to ad_clear_agg being invoked even when the port count in a group ...

CVE-2022-49674

The CVE-2022-49674 issue is a Linux kernel vulnerability in dm-raid where an array (rs->devs) could be accessed beyond its end when the raid_disks-derived count differed from metadata-driven counts during RAID layout changes. The root cause is using rs->raid_disks for iteration instead of t...

CVE-2022-49936

Summary (CVE-2022-49936) In the Linux kernel, the USB core vulnerable path is “Prevent nested device-reset calls.” The accompanying analysis shows a recursive locking violation in usb-storage when a nested reset occurs during device removal, caused by a reset being invoked while another is in pro...

CVE-2022-49984

CVE-2022-49984 is a Linux kernel vulnerability in the HID Steam driver: the code dereferences a HID report pointer without validating it, enabling a local attacker with a malicious HID device to trigger a NULL pointer dereference in steam_recv/steam_send_report. The issue has been fixed in the ke...

CVE-2022-50044

CVE-2022-50044 stems from a race in the Linux kernel’s net: qrtr MHI channel handling. After enabling, an MHI event/interrupt can occur either before dev_set_drvdata is completed (causing qrtr-ns to fail service enumeration) or after dev_set_drvdata but before qrtr_endpoint_register (potential ke...

CVE-2022-50072

CVE-2022-50072 is a Linux kernel use-after-free vulnerability in NFSv4/pnfs related to open operations. The issue occurs when an open RPC call is cancelled: the kernel must not free the open slot or layoutget arguments still in use by the hung RPC. The entry states this was resolved by a fix in t...

CVE-2022-50087

The CVE-2022-50087 issue affects the Linux kernel firmware for arm_scpi. The vulnerability arises when scpi_info is left non-null if a probe fails, exposing memory freed by a failed devm_kzalloc() and leading to a use-after-free. The description in the advisories specifies that scpi_info must not...

CVE-2023-20849

The CVE-2023-20849 vulnerability is in the imgsys_cmdq component and is caused by missing valid range checking, leading to a use-after-free that can enable local privilege escalation with SYSTEM privileges. Exploitation requires user interaction. Affected context references MediaTek-related discl...

CVE-2023-4394

CVE-2023-4394 is a local-use-after-free in the Linux kernel’s btrfs subsystem, specifically in btrfs_get_dev_args_from_path (fs/btrfs/volumes.c). The flaw allows a local attacker with special privileges to crash the system or leak internal kernel information. The vulnerability is documented acros...

CVE-2023-52500

CVE-2023-52500 concerns the Linux kernel’s SCSI pm80xx driver. The issue was an information leakage risk where tags allocated for the OPC_INB_SET_CONTROLLER_CONFIG command were not freed when the response was processed, potentially exposing tag-related data. The connected advisories (e.g., Tencen...

CVE-2023-52608

CVE-2023-52608 — Linux kernel (ARM SCMI): The issue is a race condition in the A2P channel where a late reply can be mis-associated with a newly enqueued SCMI command, causing the SMT area to be overwritten and potentially delaying or misrouting responses. The vulnerability is addressed by a cons...

CVE-2023-52755

CVE-2023-52755 involves a slab out-of-bounds write in ksmbd smb_inherit_dacl() in the Linux kernel. The root cause is an offsets check failure when offsets exceed allocation size; the fix adds validation of three offsets against allocation size. Public advisories (e.g., Astra Linux bulletin for L...