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Search Results (9942 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-68424 | 1 Linux | 1 Linux Kernel | 2026-08-11 | 4.1 Medium |
| In the Linux kernel, the following vulnerability has been resolved: mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins() mtd_concat_destroy() frees item->concat so calling mtd_virt_concat_put_mtd_devices(item->concat) leads to a use after free. Fix this by moving mtd_virt_concat_put_mtd_devices() before mtd_concat_destroy() | ||||
| CVE-2026-11742 | 1 Zephyrproject | 1 Zephyr | 2026-08-10 | 3.6 Low |
| The kernel queue helper z_queue_node_peek() in kernel/queue.c dereferences a node taken from a queue's data_q list, reading the node's flag byte and, for items enqueued via k_queue_alloc_append/alloc_prepend, the data pointer of an internally allocated alloc_node struct. The implementations of z_impl_k_queue_peek_head() and z_impl_k_queue_peek_tail() performed this read-and-dereference without holding the queue's spinlock, while every other accessor of the same list — including k_queue_get(), which unlinks a node and k_free()s its backing alloc_node — operates under that lock. Because peek was unsynchronized, a concurrent k_queue_get() on the same queue (on an SMP build, or under preemption/ISR concurrency) can free the node between the moment peek obtains the node pointer and the moment it dereferences it. The peek then reads flag bits and a data pointer out of freed, potentially re-allocated heap memory and returns a stale or dangling pointer to its caller. k_fifo and k_lifo are thin wrappers over k_queue, so this affects buffer queues used throughout the net_buf, Bluetooth, USB, and networking subsystems; the peek operations are also system calls reachable from CONFIG_USERSPACE threads. The consequences are a use-after-free read that can leak stale heap contents (one pointer word) and, when the returned dangling pointer is subsequently consumed as a live buffer, a dereference that can crash the system or corrupt memory. Exploitation requires winning a small race window with local access (e.g. a userspace process racing k_queue_peek_* against k_queue_get on a shared queue, or two CPUs), so practical impact is bounded and of low severity. The fix wraps both peek implementations with k_spin_lock/k_spin_unlock on the queue lock, making the read-and-dereference atomic with respect to the concurrent unlink-and-free and bringing peek into line with the rest of the queue's locking discipline. | ||||
| CVE-2024-21384 | 1 Microsoft | 2 365 Apps, Office Long Term Servicing Channel | 2026-08-10 | 7.8 High |
| Microsoft Office OneNote Remote Code Execution Vulnerability | ||||
| CVE-2024-21339 | 1 Microsoft | 15 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 12 more | 2026-08-10 | 6.4 Medium |
| Windows USB Generic Parent Driver Remote Code Execution Vulnerability | ||||
| CVE-2023-36895 | 1 Microsoft | 8 365 Apps, Office, Office 2016 and 5 more | 2026-08-10 | 7.8 High |
| Microsoft Outlook Remote Code Execution Vulnerability | ||||
| CVE-2023-29328 | 1 Microsoft | 1 Teams | 2026-08-10 | 8.8 High |
| Microsoft Teams Remote Code Execution Vulnerability | ||||
| CVE-2023-29330 | 1 Microsoft | 1 Teams | 2026-08-10 | 8.8 High |
| Microsoft Teams Remote Code Execution Vulnerability | ||||
| CVE-2024-21375 | 1 Microsoft | 23 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 20 more | 2026-08-10 | 8.8 High |
| Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability | ||||
| CVE-2023-35371 | 1 Microsoft | 7 365 Apps, Office, Office 2019 and 4 more | 2026-08-10 | 7.8 High |
| Microsoft Office Remote Code Execution Vulnerability | ||||
| CVE-2023-38169 | 1 Microsoft | 9 Odbc Driver 17 For Sql Server, Odbc Driver 18 For Sql Server, Odbc Driver For Sql Server and 6 more | 2026-08-10 | 8.8 High |
| Microsoft SQL OLE DB Remote Code Execution Vulnerability | ||||
| CVE-2023-35380 | 1 Microsoft | 19 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 16 more | 2026-08-10 | 7.8 High |
| Windows Kernel Elevation of Privilege Vulnerability | ||||
| CVE-2023-36882 | 1 Microsoft | 19 Windows 10 1507, Windows 10 1607, Windows 10 1809 and 16 more | 2026-08-10 | 8.8 High |
| Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability | ||||
| CVE-2021-34498 | 1 Microsoft | 19 Windows 10, Windows 10 1507, Windows 10 1607 and 16 more | 2026-08-10 | 7.8 High |
| Windows GDI Elevation of Privilege Vulnerability | ||||
| CVE-2021-38656 | 1 Microsoft | 1 365 Apps | 2026-08-10 | 7.8 High |
| Microsoft Word Remote Code Execution Vulnerability | ||||
| CVE-2021-38655 | 1 Microsoft | 9 365 Apps, Excel, Excel 2013 and 6 more | 2026-08-10 | 7.8 High |
| Microsoft Excel Remote Code Execution Vulnerability | ||||
| CVE-2021-34486 | 1 Microsoft | 11 Windows 10 1809, Windows 10 1909, Windows 10 2004 and 8 more | 2026-08-10 | 7.8 High |
| Windows Event Tracing Elevation of Privilege Vulnerability | ||||
| CVE-2026-64599 | 1 Linux | 1 Linux Kernel | 2026-08-08 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: crypto: amlogic - avoid double cleanup in meson_crypto_probe() When meson_allocate_chanlist() fails after a partial allocation, it already unwinds the allocated chanlist state through its local error path. meson_crypto_probe() then jump to error_flow and calls meson_free_chanlist() again, causing the same per-flow resources to be torn down twice. In the reproduced failure path, the second teardown re-entered crypto_engine_exit() on an already destroyed worker and KASAN reported a slab-use-after-free in kthread_destroy_worker(). Prevent double-free by handling partial allocation failures locally within meson_allocate_chanlist() and skipping the outer cleanup path. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. The bug was reproduced in a QEMU x86_64 guest booted with KASAN on v7.1, using the reproducer under tools/testing/meson_crypto_probe. The reproducer forces the second dma_alloc_attrs() call in the gxl-crypto probe path to return NULL, making meson_allocate_chanlist() fail after partial initialization. On the unpatched kernel this reliably triggered a slab-use-after-free. With this fix applied, the same reproducer no longer emits any KASAN report and the probe fails cleanly with -ENOMEM. ================================================================== BUG: KASAN: slab-use-after-free in kthread_destroy_worker+0xb2/0xd0 Read of size 8 at addr ff1100010c057a68 by task insmod/265 CPU: 1 UID: 0 PID: 265 Comm: insmod Tainted: G O 7.1.0-rc2-00376-g810af9adc907-dirty #10 PREEMPT(lazy) Tainted: [O]=OOT_MODULE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x68/0xa0 print_report+0xcb/0x5e0 ? __virt_addr_valid+0x21d/0x3f0 ? kthread_destroy_worker+0xb2/0xd0 ? kthread_destroy_worker+0xb2/0xd0 kasan_report+0xca/0x100 ? kthread_destroy_worker+0xb2/0xd0 kthread_destroy_worker+0xb2/0xd0 meson_crypto_probe+0x4d0/0xc10 [amlogic_gxl_crypto] platform_probe+0x99/0x140 really_probe+0x1c6/0x6a0 ? __pfx___device_attach_driver+0x10/0x10 __driver_probe_device+0x248/0x310 ? acpi_driver_match_device+0xb0/0x100 driver_probe_device+0x48/0x210 ? __pfx___device_attach_driver+0x10/0x10 __device_attach_driver+0x160/0x320 bus_for_each_drv+0x104/0x190 ? __pfx_bus_for_each_drv+0x10/0x10 ? _raw_spin_unlock_irqrestore+0x2c/0x50 __device_attach+0x19d/0x3b0 ? __pfx___device_attach+0x10/0x10 ? do_raw_spin_unlock+0x53/0x220 device_initial_probe+0x78/0xa0 bus_probe_device+0x5b/0x130 device_add+0xcfd/0x1430 ? __pfx_device_add+0x10/0x10 ? insert_resource+0x34/0x50 ? lock_release+0xc9/0x290 platform_device_add+0x24e/0x590 ? __pfx_meson_crypto_probe_repro_init+0x10/0x10 [meson_crypto_probe_repro] meson_crypto_probe_repro_init+0x330/0xff0 [meson_crypto_probe_repro] do_one_initcall+0xc0/0x450 ? __pfx_do_one_initcall+0x10/0x10 ? _raw_spin_unlock_irqrestore+0x2c/0x50 ? __create_object+0x59/0x80 ? kasan_unpoison+0x27/0x60 do_init_module+0x27b/0x7d0 ? __pfx_do_init_module+0x10/0x10 ? kasan_quarantine_put+0x84/0x1d0 ? kfree+0x32c/0x510 ? load_module+0x561e/0x5ff0 load_module+0x54fe/0x5ff0 ? __pfx_load_module+0x10/0x10 ? security_file_permission+0x20/0x40 ? kernel_read_file+0x23d/0x6e0 ? mmap_region+0x235/0x4a0 ? __pfx_kernel_read_file+0x10/0x10 ? __file_has_perm+0x2c0/0x3e0 init_module_from_file+0x158/0x180 ? __pfx_init_module_from_file+0x10/0x10 ? __lock_acquire+0x45a/0x1ba0 ? idempotent_init_module+0x315/0x610 ? lock_release+0xc9/0x290 ? lock ---truncated--- | ||||
| CVE-2026-20338 | 1 Cisco | 1 Secure Endpoint | 2026-08-08 | 7.5 High |
| A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper memory handling when processing content in zip files during scanning. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate as a result of a memory double-free, resulting in a DoS condition on the affected software. | ||||
| CVE-2026-64568 | 1 Linux | 1 Linux Kernel | 2026-08-08 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix unsol_bcast_probe_resp double free on alloc failure ieee80211_set_unsol_bcast_probe_resp() calls kfree_rcu() on the old template before allocating the replacement. If the kzalloc() then fails, it returns -ENOMEM while link->u.ap.unsol_bcast_probe_resp still points at the object already queued for freeing. A later update or AP teardown re-queues that same rcu_head; the second free is caught by KASAN when the RCU sheaf is processed in softirq: BUG: KASAN: double-free in rcu_free_sheaf (mm/slub.c:5850) Free of addr ffff88800d06f300 by task exploit/145 ... __rcu_free_sheaf_prepare (mm/slub.c:2634 mm/slub.c:2940) rcu_free_sheaf (mm/slub.c:5850) rcu_core (kernel/rcu/tree.c:2617 kernel/rcu/tree.c:2869) handle_softirqs (kernel/softirq.c:622) The buggy address belongs to the cache kmalloc-128 of size 128 Queue the old object for kfree_rcu() only after the new one is published, matching ieee80211_set_probe_resp() and ieee80211_set_s1g_short_beacon(). | ||||
| CVE-2026-64601 | 1 Linux | 1 Linux Kernel | 2026-08-08 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on each resubmission In capture_urb_complete(), usb_anchor_urb() is called on every completion callback, but the URB is already anchored from the initial submission in tascam_trigger_start(). Each redundant call corrupts the anchor's doubly-linked list and inflates the URB refcount. When usb_kill_anchored_urbs() traverses the list during stream stop / suspend / disconnect, the corrupted list leads to use-after-free. Remove the redundant usb_anchor_urb() from the resubmit path. | ||||