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Search Results (414343 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-126261 | 1 Fortinet | 1 Fortimanager | 2026-11-10 | 9 Critical |
| A improper authorization vulnerability in Fortinet FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.5, FortiManager 7.2.0 through 7.2.8 may allow an unauthenticated attacker that can reach the FGFM port to execute code or commands via crafted FGFM packets. | ||||
| CVE-2026-59632 | 2026-11-10 | 7.5 High | ||
| In RespondReceivedMessage of MtsMessageController.cpp, there is a possible way to trigger memory exhaustion via an undrained message queue due to a type confusion. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. | ||||
| CVE-2026-59585 | 2026-11-10 | 7.5 High | ||
| In SetDisplayName of RegInfoContact.cpp, there is a possible denial of service due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. | ||||
| CVE-2026-58789 | 2026-11-10 | 7.5 High | ||
| In s_gen_tile_param of multiple files, there is a possible way to trigger an out of bounds write in tile parameter arrays due to an incorrect bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. | ||||
| CVE-2025-0008 | 2026-11-10 | N/A | ||
| Insufficient verification of data authenticity may allow a local attacker to bypass Secure Debug Unlock (SDU), potentially resulting in unauthorized debug access. | ||||
| CVE-2025-48504 | 2026-11-10 | N/A | ||
| Operation on a resource after expiration or release in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to manipulate metadata pages potentially resulting in the loss of confidentiality and integrity of guest memory. | ||||
| CVE-2025-29941 | 2026-11-10 | N/A | ||
| Incorrect usage of seeds in pseudo-random number generator in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor or migration agent to import a forged guest context potentially resulting in loss of confidentiality for derived guest keys. | ||||
| CVE-2026-0003 | 2026-11-10 | N/A | ||
| Use of a per-part static key in the ASP Bootloader could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory potentially resulting in loss of confidentiality. | ||||
| CVE-2026-0435 | 2026-11-10 | N/A | ||
| Operation on a resource after expiration or release in the AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges to swap out a guest device without the guest's knowledge, potentially resulting in a loss of confidentiality and integrity. | ||||
| CVE-2026-0454 | 2026-11-10 | N/A | ||
| An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity. | ||||
| CVE-2026-0480 | 2026-11-10 | N/A | ||
| Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality. | ||||
| CVE-2026-28248 | 2026-11-10 | N/A | ||
| Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially launch a guest whose attestation report contains an ID key digest for an ID block that doesn't match the guest's measurement resulting in loss of integrity. | ||||
| CVE-2026-28247 | 2026-11-10 | N/A | ||
| Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to change the encryption bit for guest context pages potentially resulting in loss of integrity. | ||||
| CVE-2026-28249 | 2026-11-10 | N/A | ||
| Improper preservation of consistency between independent representations of shared state in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially affect cache coherency for guest context pages resulting in loss of integrity. | ||||
| CVE-2026-40668 | 2026-11-10 | N/A | ||
| Authentication bypass by spoofing in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to request attestation reports for VMPL 0. | ||||
| CVE-2026-40669 | 2026-11-10 | N/A | ||
| An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity. | ||||
| CVE-2026-40670 | 2026-11-10 | N/A | ||
| Improper check for unusual or exceptional conditions in AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) could allow a privileged attacker to potentially overlap MMIO regions with DRAM regions resulting in loss of integrity. | ||||
| CVE-2026-4897 | 2 Freedesktop, Redhat | 6 Polkit, Enterprise Linux, Hummingbird and 3 more | 2026-11-10 | 5.5 Medium |
| A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system. | ||||
| CVE-2026-90834 | 2026-11-10 | 5.5 Medium | ||
| The user-mode syscall verifiers for the 16-bit ("wide data") UART API in drivers/serial/uart_handlers.c validated the wrong driver operation. z_vrfy_uart_poll_out_u16(), z_vrfy_uart_tx_u16() and z_vrfy_uart_rx_enable_u16() each ran K_SYSCALL_DRIVER_UART() against the 8-bit op (poll_out, tx, rx_enable) rather than the 16-bit op that the corresponding implementation dereferences (poll_out_u16, tx_u16, rx_enable_u16). z_impl_uart_poll_out_u16(), z_impl_uart_tx_u16() and z_impl_uart_rx_enable_u16() in include/zephyr/drivers/uart/uart_internal.h call their op unconditionally, with no NULL guard of their own, because the verifier is supposed to have established that the op exists. CONFIG_UART_WIDE_DATA is an application-selectable option that no driver selects, and only a handful of the serial drivers in the tree implement any _u16 operation; every other driver leaves those struct uart_driver_api members NULL while still providing the 8-bit ops the old check inspected. In a build with CONFIG_USERSPACE and CONFIG_UART_WIDE_DATA (plus CONFIG_UART_ASYNC_API for the uart_tx_u16() and uart_rx_enable_u16() variants), an unprivileged user-mode thread that legitimately holds access to such a UART device object can invoke the _u16 syscall: the object, permission and op checks all pass, and the kernel-side implementation then performs an indirect call through a NULL function pointer while running at supervisor privilege. The result is a CPU exception taken in kernel context instead of the intended K_OOPS or -ENOSYS return. With the default k_sys_fatal_error_handler() this halts the system (or warm-reboots it under CONFIG_RESET_ON_FATAL_ERROR), so a thread confined by the userspace sandbox can deny service to the whole device — a capability the user-mode privilege boundary is specifically meant to withhold. The call target is a fixed NULL, so there is no attacker-controlled code execution and no memory disclosure; the separate K_SYSCALL_MEMORY_ARRAY_READ()/K_SYSCALL_MEMORY_ARRAY_WRITE() bounds checks on the caller's buffer were and remain correct. The fix points each verifier at the matching _u16 op, using a plain K_SYSCALL_OBJ() object check where the op does not exist or where the implementation already tests it for NULL. | ||||
| CVE-2026-90833 | 2026-11-10 | 7.8 High | ||
| The simulated EEPROM driver validated access ranges in eeprom_range_is_valid() (drivers/eeprom/eeprom_simulator.c) with a single test, (offset + len) <= config->size. Because offset is a signed off_t and len an unsigned size_t of the same rank, the addition is evaluated in unsigned arithmetic: a negative offset combined with a compensating len wraps the sum back into the accepted range. eeprom_sim_read() and eeprom_sim_write() then memcpy() through the EEPROM(addr) macro, which is plain pointer arithmetic on the driver's static mock_eeprom array, so the copy addresses memory located before that array. eeprom_read() and eeprom_write() are __syscall entry points, and their verification handlers in drivers/eeprom/eeprom_handlers.c check only the device object and the caller's own data buffer (K_SYSCALL_MEMORY_READ/K_SYSCALL_MEMORY_WRITE) — the offset argument is passed to the driver unvalidated. With CONFIG_USERSPACE=y, a CONFIG_EEPROM_SIMULATOR device instance, and the device object granted to a user thread (the usage the in-tree tests/drivers/eeprom/api suite exercises from ZTEST_USER threads), an unprivileged thread could supply a negative offset and have the kernel perform the copy on its behalf. The result is an out-of-bounds read of kernel .bss returned into the caller's buffer and, via the write path, an out-of-bounds write of caller-supplied bytes over kernel memory preceding mock_eeprom. Both the start address and the length of the affected span are attacker-selected, so the primitive is sufficient to corrupt adjacent kernel state and escape the user-mode sandbox. Exposure is limited to builds that instantiate the simulated EEPROM (status = "okay" by default on qemu_x86 and native_sim, otherwise added by a devicetree overlay) together with userspace isolation. The fix rejects negative offsets and performs the remaining bound check without overflow. | ||||