CVSS: 5.2EPSS: 0%CPEs: 9EXPL: 0CVE-2024-27043 – media: edia: dvbdev: fix a use-after-free
https://notcve.org/view.php?id=CVE-2024-27043
In the Linux kernel, the following vulnerability has been resolved: media: edia: dvbdev: fix a use-after-free In dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed in several error-handling paths. However, *pdvbdev is not set to NULL after dvbdev's deallocation, causing use-after-frees in many places, for example, in the following call chain: budget_register |-> dvb_dmxdev_init |-> dvb_register_device |-> dvb_dmxdev_release |-> dvb_unregister_device |-> dvb_remove_device |-> dvb_device_put |-> kref_put When calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in dvb_register_device) could point to memory that had been freed in dvb_register_device. Thereafter, this pointer is transferred to kref_put and triggering a use-after-free. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: medios: edia: dvbdev: corregir un use-after-free En dvb_register_device, *pdvbdev se establece igual a dvbdev, que se libera en varias rutas de manejo de errores. • https://git.kernel.org/stable/c/b61901024776b25ce7b8edc31bb1757c7382a88e https://git.kernel.org/stable/c/d0f5c28333822f9baa5280d813124920720fd856 https://git.kernel.org/stable/c/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086 https://git.kernel.org/stable/c/096237039d00c839f3e3a5fe6d001bf0db45b644 https://git.kernel.org/stable/c/0d3fe80b6d175c220b3e252efc6c6777e700e98e https://git.kernel.org/stable/c/437a111f79a2f5b2a5f21e27fdec6f40c8768712 https://git.kernel.org/stable/c/779e8db7efb22316c8581d6c229636d2f5694a62 https://git.kernel.org/stable/c/35674111a043b0482a9bc69da8850a83f •
CVSS: 5.5EPSS: 0%CPEs: 6EXPL: 0CVE-2024-27037 – clk: zynq: Prevent null pointer dereference caused by kmalloc failure
https://notcve.org/view.php?id=CVE-2024-27037
In the Linux kernel, the following vulnerability has been resolved: clk: zynq: Prevent null pointer dereference caused by kmalloc failure The kmalloc() in zynq_clk_setup() will return null if the physical memory has run out. As a result, if we use snprintf() to write data to the null address, the null pointer dereference bug will happen. This patch uses a stack variable to replace the kmalloc(). En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: clk: zynq: evita la desreferencia del puntero nulo causada por una falla de kmalloc. El kmalloc() en zynq_clk_setup() devolverá nulo si la memoria física se ha agotado. Como resultado, si usamos snprintf() para escribir datos en la dirección nula, se producirá el error de desreferencia del puntero nulo. • https://git.kernel.org/stable/c/0ee52b157b8ed88550ddd6291e54bb4bfabde364 https://git.kernel.org/stable/c/01511ac7be8e45f80e637f6bf61af2d3d2dee9db https://git.kernel.org/stable/c/8c4889a9ea861d7be37463c10846eb75e1b49c9d https://git.kernel.org/stable/c/0801c893fd48cdba66a3c8f44c3fe43cc67d3b85 https://git.kernel.org/stable/c/ca976c6a592f789700200069ef9052493c0b73d8 https://git.kernel.org/stable/c/58a946ab43501f2eba058d24d96af0ad1122475b https://git.kernel.org/stable/c/7938e9ce39d6779d2f85d822cc930f73420e54a6 • CWE-476: NULL Pointer Dereference •
CVSS: 7.0EPSS: 0%CPEs: 8EXPL: 0CVE-2024-27020 – netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()
https://notcve.org/view.php?id=CVE-2024-27020
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_tables_expressions list in __nft_expr_type_get(). Therefore, there is potential data-race of nf_tables_expressions list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_expressions list in __nft_expr_type_get(), and use rcu_read_lock() in the caller nft_expr_type_get() to protect the entire type query process. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: netfilter: nf_tables: corrige una posible ejecución de datos en __nft_expr_type_get() nft_unregister_expr() puede concurrente con __nft_expr_type_get(), y no hay ninguna protección cuando se itera sobre la lista nf_tables_expressions en __nft_expr_type_get() . Por lo tanto, existe una posible ejecución de datos en la entrada de la lista nf_tables_expressions. Utilice list_for_each_entry_rcu() para iterar sobre la lista nf_tables_expressions en __nft_expr_type_get() y utilice rcu_read_lock() en el llamador nft_expr_type_get() para proteger todo el proceso de consulta de tipos. • https://git.kernel.org/stable/c/ef1f7df9170dbd875ce198ba84e6ab80f6fc139e https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05 https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907 https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5 https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773a • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-27013 – tun: limit printing rate when illegal packet received by tun dev
https://notcve.org/view.php?id=CVE-2024-27013
In the Linux kernel, the following vulnerability has been resolved: tun: limit printing rate when illegal packet received by tun dev vhost_worker will call tun call backs to receive packets. If too many illegal packets arrives, tun_do_read will keep dumping packet contents. When console is enabled, it will costs much more cpu time to dump packet and soft lockup will be detected. net_ratelimit mechanism can be used to limit the dumping rate. PID: 33036 TASK: ffff949da6f20000 CPU: 23 COMMAND: "vhost-32980" #0 [fffffe00003fce50] crash_nmi_callback at ffffffff89249253 #1 [fffffe00003fce58] nmi_handle at ffffffff89225fa3 #2 [fffffe00003fceb0] default_do_nmi at ffffffff8922642e #3 [fffffe00003fced0] do_nmi at ffffffff8922660d #4 [fffffe00003fcef0] end_repeat_nmi at ffffffff89c01663 [exception RIP: io_serial_in+20] RIP: ffffffff89792594 RSP: ffffa655314979e8 RFLAGS: 00000002 RAX: ffffffff89792500 RBX: ffffffff8af428a0 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff8af428a0 RBP: 0000000000002710 R8: 0000000000000004 R9: 000000000000000f R10: 0000000000000000 R11: ffffffff8acbf64f R12: 0000000000000020 R13: ffffffff8acbf698 R14: 0000000000000058 R15: 0000000000000000 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #5 [ffffa655314979e8] io_serial_in at ffffffff89792594 #6 [ffffa655314979e8] wait_for_xmitr at ffffffff89793470 #7 [ffffa65531497a08] serial8250_console_putchar at ffffffff897934f6 #8 [ffffa65531497a20] uart_console_write at ffffffff8978b605 #9 [ffffa65531497a48] serial8250_console_write at ffffffff89796558 #10 [ffffa65531497ac8] console_unlock at ffffffff89316124 #11 [ffffa65531497b10] vprintk_emit at ffffffff89317c07 #12 [ffffa65531497b68] printk at ffffffff89318306 #13 [ffffa65531497bc8] print_hex_dump at ffffffff89650765 #14 [ffffa65531497ca8] tun_do_read at ffffffffc0b06c27 [tun] #15 [ffffa65531497d38] tun_recvmsg at ffffffffc0b06e34 [tun] #16 [ffffa65531497d68] handle_rx at ffffffffc0c5d682 [vhost_net] #17 [ffffa65531497ed0] vhost_worker at ffffffffc0c644dc [vhost] #18 [ffffa65531497f10] kthread at ffffffff892d2e72 #19 [ffffa65531497f50] ret_from_fork at ffffffff89c0022f En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tun: limita la velocidad de impresión cuando el paquete ilegal recibido por tun dev vhost_worker llamará a tun para recibir paquetes. Si llegan demasiados paquetes ilegales, tun_do_read seguirá descargando el contenido de los paquetes. Cuando la consola está habilitada, le costará mucho más tiempo a la CPU volcar el paquete y se detectará un bloqueo suave. El mecanismo net_ratelimit se puede utilizar para limitar la tasa de dumping. • https://git.kernel.org/stable/c/ef3db4a5954281bc1ea49a4739c88eaea091dc71 https://git.kernel.org/stable/c/68459b8e3ee554ce71878af9eb69659b9462c588 https://git.kernel.org/stable/c/4b0dcae5c4797bf31c63011ed62917210d3fdac3 https://git.kernel.org/stable/c/14cdb43dbc827e18ac7d5b30c5b4c676219f1421 https://git.kernel.org/stable/c/a50dbeca28acf7051dfa92786b85f704c75db6eb https://git.kernel.org/stable/c/62e27ef18eb4f0d33bbae8e9ef56b99696a74713 https://git.kernel.org/stable/c/40f4ced305c6c47487d3cd8da54676e2acc1a6ad https://git.kernel.org/stable/c/52854101180beccdb9dc2077a3bea31b6 • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-27008 – drm: nv04: Fix out of bounds access
https://notcve.org/view.php?id=CVE-2024-27008
In the Linux kernel, the following vulnerability has been resolved: drm: nv04: Fix out of bounds access When Output Resource (dcb->or) value is assigned in fabricate_dcb_output(), there may be out of bounds access to dac_users array in case dcb->or is zero because ffs(dcb->or) is used as index there. The 'or' argument of fabricate_dcb_output() must be interpreted as a number of bit to set, not value. Utilize macros from 'enum nouveau_or' in calls instead of hardcoding. Found by Linux Verification Center (linuxtesting.org) with SVACE. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm: nv04: corregir el acceso fuera de los límites Cuando se asigna el valor del recurso de salida (dcb->or) en fabricate_dcb_output(), puede haber acceso fuera de los límites a la matriz dac_users en caso de que dcb->or es cero porque ffs(dcb->or) se usa como índice allí. El argumento 'o' de fabricate_dcb_output() debe interpretarse como un número de bits a configurar, no como un valor. Utilice macros de 'enum nouveau_or' en las llamadas en lugar de codificarlas. Encontrado por el Centro de verificación de Linux (linuxtesting.org) con SVACE. • https://git.kernel.org/stable/c/2e5702aff39532662198459726c624d5eadbdd78 https://git.kernel.org/stable/c/c2b97f26f081ceec3298151481687071075a25cb https://git.kernel.org/stable/c/5050ae879a828d752b439e3827aac126709da6d1 https://git.kernel.org/stable/c/097c7918fcfa1dee233acfd1f3029f00c3bc8062 https://git.kernel.org/stable/c/df0991da7db846f7fa4ec6740350f743d3b69b04 https://git.kernel.org/stable/c/5fd4b090304e450aa0e7cc9cc2b4873285c6face https://git.kernel.org/stable/c/6690cc2732e2a8d0eaca44dcbac032a4b0148042 https://git.kernel.org/stable/c/26212da39ee14a52c76a202c6ae5153a8 •