CVSS: 4.4EPSS: 0%CPEs: 8EXPL: 0CVE-2024-38615 – cpufreq: exit() callback is optional
https://notcve.org/view.php?id=CVE-2024-38615
In the Linux kernel, the following vulnerability has been resolved: cpufreq: exit() callback is optional The exit() callback is optional and shouldn't be called without checking a valid pointer first. Also, we must clear freq_table pointer even if the exit() callback isn't present. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cpufreq: la devolución de llamada exit() es opcional La devolución de llamada exit() es opcional y no debe llamarse sin verificar primero un puntero válido. Además, debemos borrar el puntero freq_table incluso si la devolución de llamada exit() no está presente. • https://git.kernel.org/stable/c/91a12e91dc39137906d929a4ff6f9c32c59697fa https://git.kernel.org/stable/c/2d730b465e377396d2a09a53524b96b111f7ccb6 https://git.kernel.org/stable/c/dfc56ff5ec9904c008e9376d90a6d7e2d2bec4d3 https://git.kernel.org/stable/c/35db5e76d5e9f752476df5fa0b9018a2398b0378 https://git.kernel.org/stable/c/8bc9546805e572ad101681437a49939f28777273 https://git.kernel.org/stable/c/3e99f060cfd2e36504d62c9132b453ade5027e1c https://git.kernel.org/stable/c/ae37ebca325097d773d7bb6ec069123b30772872 https://git.kernel.org/stable/c/a8204d1b6ff762d2171d365c2c8560285 • CWE-459: Incomplete Cleanup •
CVSS: -EPSS: 0%CPEs: 4EXPL: 0CVE-2024-38614 – openrisc: traps: Don't send signals to kernel mode threads
https://notcve.org/view.php?id=CVE-2024-38614
In the Linux kernel, the following vulnerability has been resolved: openrisc: traps: Don't send signals to kernel mode threads OpenRISC exception handling sends signals to user processes on floating point exceptions and trap instructions (for debugging) among others. There is a bug where the trap handling logic may send signals to kernel threads, we should not send these signals to kernel threads, if that happens we treat it as an error. This patch adds conditions to die if the kernel receives these exceptions in kernel mode code. En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: openrisc: trampas: no envía señales a subprocesos en modo kernel. El manejo de excepciones de OpenRISC envía señales a los procesos del usuario sobre excepciones de punto flotante e instrucciones de captura (para depuración), entre otros. Hay un error en el que la lógica de manejo de trampas puede enviar señales a los subprocesos del kernel. No debemos enviar estas señales a los subprocesos del kernel; si eso sucede, lo tratamos como un error. • https://git.kernel.org/stable/c/27267655c5313ba0f5a3caa9ad35d887d9a12574 https://git.kernel.org/stable/c/c0ed9a711e3392d73e857faa031d8d349c0d70db https://git.kernel.org/stable/c/075c0405b0d7d9fc490609e988a3af0069596538 https://git.kernel.org/stable/c/cea9d0015c140af39477dd5eeb9b20233a45daa9 https://git.kernel.org/stable/c/c88cfb5cea5f8f9868ef02cc9ce9183a26dcf20f •
CVSS: -EPSS: 0%CPEs: 9EXPL: 0CVE-2024-38613 – m68k: Fix spinlock race in kernel thread creation
https://notcve.org/view.php?id=CVE-2024-38613
In the Linux kernel, the following vulnerability has been resolved: m68k: Fix spinlock race in kernel thread creation Context switching does take care to retain the correct lock owner across the switch from 'prev' to 'next' tasks. This does rely on interrupts remaining disabled for the entire duration of the switch. This condition is guaranteed for normal process creation and context switching between already running processes, because both 'prev' and 'next' already have interrupts disabled in their saved copies of the status register. The situation is different for newly created kernel threads. The status register is set to PS_S in copy_thread(), which does leave the IPL at 0. Upon restoring the 'next' thread's status register in switch_to() aka resume(), interrupts then become enabled prematurely. resume() then returns via ret_from_kernel_thread() and schedule_tail() where run queue lock is released (see finish_task_switch() and finish_lock_switch()). A timer interrupt calling scheduler_tick() before the lock is released in finish_task_switch() will find the lock already taken, with the current task as lock owner. This causes a spinlock recursion warning as reported by Guenter Roeck. As far as I can ascertain, this race has been opened in commit 533e6903bea0 ("m68k: split ret_from_fork(), simplify kernel_thread()") but I haven't done a detailed study of kernel history so it may well predate that commit. Interrupts cannot be disabled in the saved status register copy for kernel threads (init will complain about interrupts disabled when finally starting user space). • https://git.kernel.org/stable/c/533e6903bea0440816a0f517b0845ccea4cc7917 https://git.kernel.org/stable/c/2a8d1d95302c7d52c6ac8fa5cb4a6948ae0d3a14 https://git.kernel.org/stable/c/5213cc01d0464c011fdc09f318705603ed3a746b https://git.kernel.org/stable/c/4eeffecc8e3cce25bb559502c2fd94a948bcde82 https://git.kernel.org/stable/c/77b2b67a0f8bce260c53907e5749d61466d90c87 https://git.kernel.org/stable/c/0d9ae1253535f6e85a016e09c25ecbe6f7f59ef0 https://git.kernel.org/stable/c/f3baf0f4f92af32943ebf27b960e0552c6c082fd https://git.kernel.org/stable/c/f1d4274a84c069be0f6098ab10c3443fc •
CVSS: 9.8EPSS: 0%CPEs: 9EXPL: 0CVE-2024-38612 – ipv6: sr: fix invalid unregister error path
https://notcve.org/view.php?id=CVE-2024-38612
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn't called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ipv6: sr: corrige la ruta de error de cancelación de registro no válida La ruta de error de seg6_init() es incorrecta en caso de que CONFIG_IPV6_SEG6_LWTUNNEL no esté definido. En ese caso, si seg6_hmac_init() falla, no se llama a genl_unregister_family(). Este problema existe desde que el commit 46738b1317e1 ("ipv6: sr: agregar opción para controlar la compatibilidad con lwtunnel") y el commit 5559cea2d5aa ("ipv6: sr: corregir posible use-after-free y null-ptr-deref") reemplazó unregister_pernet_subsys() con genl_unregister_family() en esta ruta de error. • https://git.kernel.org/stable/c/46738b1317e169b281ad74690276916e24d1be6d https://git.kernel.org/stable/c/10610575a3ac2a702bf5c57aa931beaf847949c7 https://git.kernel.org/stable/c/646cd236c55e2cb5f146fc41bbe4034c4af5b2a4 https://git.kernel.org/stable/c/00e6335329f23ac6cf3105931691674e28bc598c https://git.kernel.org/stable/c/1a63730fb315bb1bab97edd69ff58ad45e04bb01 https://git.kernel.org/stable/c/e77a3ec7ada84543e75722a1283785a6544de925 https://git.kernel.org/stable/c/3398a40dccb88d3a7eef378247a023a78472db66 https://git.kernel.org/stable/c/85a70ff1e572160f1eeb096ed48d09a1c • CWE-416: Use After Free CWE-476: NULL Pointer Dereference •
CVSS: -EPSS: 0%CPEs: 4EXPL: 0CVE-2024-38611 – media: i2c: et8ek8: Don't strip remove function when driver is builtin
https://notcve.org/view.php?id=CVE-2024-38611
In the Linux kernel, the following vulnerability has been resolved: media: i2c: et8ek8: Don't strip remove function when driver is builtin Using __exit for the remove function results in the remove callback being discarded with CONFIG_VIDEO_ET8EK8=y. When such a device gets unbound (e.g. using sysfs or hotplug), the driver is just removed without the cleanup being performed. This results in resource leaks. Fix it by compiling in the remove callback unconditionally. This also fixes a W=1 modpost warning: WARNING: modpost: drivers/media/i2c/et8ek8/et8ek8: section mismatch in reference: et8ek8_i2c_driver+0x10 (section: .data) -> et8ek8_remove (section: .exit.text) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: medios: i2c: et8ek8: No eliminar la función de eliminación cuando el controlador está integrado. El uso de __exit para la función de eliminación hace que la devolución de llamada de eliminación se descarte con CONFIG_VIDEO_ET8EK8=y. • https://git.kernel.org/stable/c/c5254e72b8edc2ca0a98703e92e8c34959343d2c https://git.kernel.org/stable/c/c1a3803e5bb91c13e9ad582003e4288f67f06cd9 https://git.kernel.org/stable/c/43fff07e4b1956d0e5cf23717507e438278ea3d9 https://git.kernel.org/stable/c/904db2ba44ae60641b6378c5013254d09acf5e80 https://git.kernel.org/stable/c/545b215736c5c4b354e182d99c578a472ac9bfce •