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CVSS: -EPSS: 0%CPEs: 6EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: clk: meson: Add missing clocks to axg_clk_regmaps Some clocks were missing from axg_clk_regmaps, which caused kernel panic during cat /sys/kernel/debug/clk/clk_summary [ 57.349402] Unable to handle kernel NULL pointer dereference at virtual address 00000000000001fc ... [ 57.430002] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 57.436900] pc : regmap_read+0x1c/0x88 [ 57.440608] lr : clk_regmap_gate_is_enabled+0x3c/0xb0 [ 57.445611] sp : ffff800082f1b690 [ 57.448888] x29: ffff800082f1b690 x28: 0000000000000000 x27: ffff800080eb9a70 [ 57.455961] x26: 0000000000000007 x25: 0000000000000016 x24: 0000000000000000 [ 57.463033] x23: ffff800080e8b488 x22: 0000000000000015 x21: ffff00000e7e7000 [ 57.470106] x20: ffff00000400ec00 x19: 0000000000000000 x18: ffffffffffffffff [ 57.477178] x17: 0000000000000000 x16: 0000000000000000 x15: ffff0000042a3000 [ 57.484251] x14: 0000000000000000 x13: ffff0000042a2fec x12: 0000000005f5e100 [ 57.491323] x11: abcc77118461cefd x10: 0000000000000020 x9 : ffff8000805e4b24 [ 57.498396] x8 : ffff0000028063c0 x7 : ffff800082f1b710 x6 : ffff800082f1b710 [ 57.505468] x5 : 00000000ffffffd0 x4 : ffff800082f1b6e0 x3 : 0000000000001000 [ 57.512541] x2 : ffff800082f1b6e4 x1 : 000000000000012c x0 : 0000000000000000 [ 57.519615] Call trace: [ 57.522030] regmap_read+0x1c/0x88 [ 57.525393] clk_regmap_gate_is_enabled+0x3c/0xb0 [ 57.530050] clk_core_is_enabled+0x44/0x120 [ 57.534190] clk_summary_show_subtree+0x154/0x2f0 [ 57.538847] clk_summary_show_subtree+0x220/0x2f0 [ 57.543505] clk_summary_show_subtree+0x220/0x2f0 [ 57.548162] clk_summary_show_subtree+0x220/0x2f0 [ 57.552820] clk_summary_show_subtree+0x220/0x2f0 [ 57.557477] clk_summary_show_subtree+0x220/0x2f0 [ 57.562135] clk_summary_show_subtree+0x220/0x2f0 [ 57.566792] clk_summary_show_subtree+0x220/0x2f0 [ 57.571450] clk_summary_show+0x84/0xb8 [ 57.575245] seq_read_iter+0x1bc/0x4b8 [ 57.578954] seq_read+0x8c/0xd0 [ 57.582059] full_proxy_read+0x68/0xc8 [ 57.585767] vfs_read+0xb0/0x268 [ 57.588959] ksys_read+0x70/0x108 [ 57.592236] __arm64_sys_read+0x24/0x38 [ 57.596031] invoke_syscall+0x50/0x128 [ 57.599740] el0_svc_common.constprop.0+0x48/0xf8 [ 57.604397] do_el0_svc+0x28/0x40 [ 57.607675] el0_svc+0x34/0xb8 [ 57.610694] el0t_64_sync_handler+0x13c/0x158 [ 57.615006] el0t_64_sync+0x190/0x198 [ 57.618635] Code: a9bd7bfd 910003fd a90153f3 aa0003f3 (b941fc00) [ 57.624668] ---[ end trace 0000000000000000 ]--- [jbrunet: add missing Fixes tag] En el kernel de Linux, se resolvió la siguiente vulnerabilidad: clk: meson: Agregar relojes faltantes a axg_clk_regmaps Faltaban algunos relojes en axg_clk_regmaps, lo que provocó pánico en el kernel durante cat /sys/kernel/debug/clk/clk_summary [ 57.349402] No se puede manejar Kernel Null Pointer Derferencia en la dirección virtual 0000000000000001FC ... [57.430002] PState: 6000000005 (NZCV DAIF -PAN -UAO -TCO -DIT -SSBS BTYPE = -) [57.436900] PC: RegMap_read+0x1c/0x888 [57.44060608] CLK_REGMAP_GATE_IS_Enabled+0x3c/0xb0 [57.445611] SP: FFFFF800082F1B690 [57.448888] x29: ffff800082f1b690 x28: 0000000000000000000000000000808080B9A70 [57. 000000000007 x25: 000000000000000016 X24: 000000000000000000 [57.463033] X23: FFFF800080E8B488 X22: 000000000000000015 X21: FFFFFF00000E7E7000 [57.470106] X20: FFFF00000400EC00 X19: 000000000000000000 X18: FFFFFFFFFFFFFFF [57.477178] x17: 00000000000000000000000016: 000000000000000000 X15: FFFFFFFF0000042A3000 [57.484251] X14 2fec x12: 000000000005F5E100 [57.491323] x11: ABCC77118461CEFD x10: 0000000000000020 X9: FFFF8000805E4B24 [57.498396] x8: FFFF0000028063C0 X7: FFFF800082F1B710 X6: FFFF800082F1B710 [57.505468] x5: 0000000000ffffd0 x4: ffffff800082f1b6e0 x3: 00000000001000 [57.512541] 0000000000012C x0: 000000000000000000 [57.519615] Traza de llamada: [57.522030] regMap_read+0x1c/0x88 [57.525393] clk_regmap_gate_is_enabled+ 0x3c/0xb0 [ 57.530050] clk_core_is_enabled+0x44/0x120 [ 57.534190] clk_summary_show_subtree+0x154/0x2f0 [ 57.538847] clk_summary_show_subtree+0x220/0x2f0 [ 57.543505 ] clk_summary_show_subtree+0x220/0x2f0 [ 57.548162] clk_summary_show_subtree+0x220/0x2f0 [ 57.552820] clk_summary_show_subtree+0x220/ 0x2f0 [ 57.557477] clk_summary_show_subtree+0x220/0x2f0 [ 57.562135] clk_summary_show_subtree+0x220/0x2f0 [ 57.566792] clk_summary_show_subtree+0x220/0x2f0 [ 57.571450] cl k_summary_show+0x84/0xb8 [ 57.575245] seq_read_iter+0x1bc/0x4b8 [ 57.578954] seq_read+0x8c/0xd0 [ 57.582059] full_proxy_read+0x68/0xc8 [ 57.585767] vfs_read+0xb0/0x268 [ 57.588959] ksys_read+0x70/0x108 [ 57.592236] __arm64_sys_read+0x24/0x38 [ 57.59 6031] invoke_syscall+0x50/0x128 [ 57.599740] el0_svc_common.constprop.0+0x48/ 0xf8 [ 57.604397] do_el0_svc+0x28/0x40 [ 57.607675] el0_svc+0x34/0xb8 [ 57.610694] el0t_64_sync_handler+0x13c/0x158 [ 57.615006] /0x198 [ 57.618635] Código: a9bd7bfd 910003fd a90153f3 aa0003f3 (b941fc00) [ 57.624668] -- -[ seguimiento final 0000000000000000 ]--- [jbrunet: agregar etiqueta de correcciones faltantes] • https://git.kernel.org/stable/c/14ebb3154b8f3d562cb18331b08ff1a22609ae59 https://git.kernel.org/stable/c/a03ed00787b0ce7a83eebabd0fa95ecc4a5cac84 https://git.kernel.org/stable/c/7ae1b0dc12ec407f12f80b49d22c6ad2308e2202 https://git.kernel.org/stable/c/0cbefc7b5bdad86b18a263d837450cdc9a56f8d7 https://git.kernel.org/stable/c/a860aaebacbc908fa06e2642402058f40bfffe10 https://git.kernel.org/stable/c/9f3e5df38b4528213449e55b80f0316864f2a1c8 https://git.kernel.org/stable/c/ba535bce57e71463a86f8b33a0ea88c26e3a6418 •

CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: quota: Fix potential NULL pointer dereference Below race may cause NULL pointer dereference P1 P2 dquot_free_inode quota_off drop_dquot_ref remove_dquot_ref dquots = i_dquot(inode) dquots = i_dquot(inode) srcu_read_lock dquots[cnt]) != NULL (1) dquots[type] = NULL (2) spin_lock(&dquots[cnt]->dq_dqb_lock) (3) .... If dquot_free_inode(or other routines) checks inode's quota pointers (1) before quota_off sets it to NULL(2) and use it (3) after that, NULL pointer dereference will be triggered. So let's fix it by using a temporary pointer to avoid this issue. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cuota: corrige una posible desreferencia del puntero NULL La siguiente carrera puede causar una desreferencia del puntero NULL P1 P2 dquot_free_inode quote_off drop_dquot_ref remove_dquot_ref dquots = i_dquot(inode) dquots = i_dquot(inode) srcu_read_lock dquots[cnt]) != NULL (1) dquots[tipo] = NULL (2) spin_lock(&dquots[cnt]->dq_dqb_lock) (3) .... Si dquot_free_inode(u otras rutinas) verifica los punteros de cuota del inodo (1) antes de que cuota_off lo establezca a NULL(2) y usarlo (3) después de eso, se activará la desreferencia del puntero NULL. • https://git.kernel.org/stable/c/8514899c1a4edf802f03c408db901063aa3f05a1 https://git.kernel.org/stable/c/49669f8e7eb053f91d239df7b1bfb4500255a9d0 https://git.kernel.org/stable/c/61380537aa6dd32d8a723d98b8f1bd1b11d8fee0 https://git.kernel.org/stable/c/1ca72a3de915f87232c9a4cb9bebbd3af8ed3e25 https://git.kernel.org/stable/c/7f9e833fc0f9b47be503af012eb5903086939754 https://git.kernel.org/stable/c/40a673b4b07efd6f74ff3ab60f38b26aa91ee5d5 https://git.kernel.org/stable/c/f2649d98aa9ca8623149b3cb8df00c944f5655c7 https://git.kernel.org/stable/c/6afc9f4434fa8063aa768c2bf5bf98583 • CWE-476: NULL Pointer Dereference •

CVSS: -EPSS: 0%CPEs: 7EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: crypto: xilinx - call finalize with bh disabled When calling crypto_finalize_request, BH should be disabled to avoid triggering the following calltrace: ------------[ cut here ]------------ WARNING: CPU: 2 PID: 74 at crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118 Modules linked in: cryptodev(O) CPU: 2 PID: 74 Comm: firmware:zynqmp Tainted: G O 6.8.0-rc1-yocto-standard #323 Hardware name: ZynqMP ZCU102 Rev1.0 (DT) pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : crypto_finalize_request+0xa0/0x118 lr : crypto_finalize_request+0x104/0x118 sp : ffffffc085353ce0 x29: ffffffc085353ce0 x28: 0000000000000000 x27: ffffff8808ea8688 x26: ffffffc081715038 x25: 0000000000000000 x24: ffffff880100db00 x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000 x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0 x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8 x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001 x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000 x2 : ffffffc7f9653000 x1 : 0000000000000000 x0 : ffffff8802d20000 Call trace: crypto_finalize_request+0xa0/0x118 crypto_finalize_aead_request+0x18/0x30 zynqmp_handle_aes_req+0xcc/0x388 crypto_pump_work+0x168/0x2d8 kthread_worker_fn+0xfc/0x3a0 kthread+0x118/0x138 ret_from_fork+0x10/0x20 irq event stamp: 40 hardirqs last enabled at (39): [<ffffffc0812416f8>] _raw_spin_unlock_irqrestore+0x70/0xb0 hardirqs last disabled at (40): [<ffffffc08122d208>] el1_dbg+0x28/0x90 softirqs last enabled at (36): [<ffffffc080017dec>] kernel_neon_begin+0x8c/0xf0 softirqs last disabled at (34): [<ffffffc080017dc0>] kernel_neon_begin+0x60/0xf0 ---[ end trace 0000000000000000 ]--- En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: xilinx - llamada a finalizar con bh deshabilitado Al llamar a crypto_finalize_request, BH debe estar deshabilitado para evitar que se active el siguiente seguimiento de llamadas: ------------[ cut aquí ]------------ ADVERTENCIA: CPU: 2 PID: 74 en crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118 Módulos vinculados en: cryptodev(O) CPU: 2 PID: 74 Comm : firmware:zynqmp Contaminado: GO 6.8.0-rc1-yocto-standard #323 Nombre del hardware: ZynqMP ZCU102 Rev1.0 (DT) pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc: crypto_finalize_request+0xa0/0x118 lr: crypto_finalize_request+0x104/0x118 sp: ffffffc085353ce0 x29: ffffffc085353ce0 x28: 00000000000000000 x27: ffffff8808ea8688 x26: 15038 x25: 0000000000000000 x24: ffffff880100db00 x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000 x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0 x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8 x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001 x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000 x2 : ffffffc7f9653000 x1: 0000000000000000 x0: ffffff8802d20000 Rastreo de llamadas: crypto_finalize_request+0xa0/0x118 crypto_finalize_aead_request+0x18/0x30 zynqmp_handle_aes_req+0xcc/0x388 crypto_pump_work+0x 168/0x2d8 kthread_worker_fn+0xfc/0x3a0 kthread+0x118/0x138 ret_from_fork+0x10/0x20 sello de evento irq: 40 hardirqs habilitado por última vez en (39): [] _raw_spin_unlock_irqrestore+0x70/0xb0 hardirqs habilitado por última vez en (40): [] el1_dbg+0x28/0x90 softirqs habilitado por última vez en (36): [] _comenzar +0x8c/0xf0 softirqs se deshabilitó por última vez en (34): [] kernel_neon_begin+0x60/0xf0 ---[ final de seguimiento 0000000000000000 ]--- • https://git.kernel.org/stable/c/4d96f7d48131fefe30d7c1d1e2a23ef37164dbf5 https://git.kernel.org/stable/c/8a01335aedc50a66d04dd39203c89f4bc8042596 https://git.kernel.org/stable/c/03e6d4e948432a61b35783323b6ab2be071d2619 https://git.kernel.org/stable/c/a71f66bd5f7b9b35a8aaa49e29565eca66299399 https://git.kernel.org/stable/c/23bc89fdce71124cd2126fc919c7076e7cb489cf https://git.kernel.org/stable/c/9db89b1fb85557892e6681724b367287de5f9f20 https://git.kernel.org/stable/c/dbf291d8ffffb70f48286176a15c6c54f0bb0743 https://git.kernel.org/stable/c/a853450bf4c752e664abab0b2fad395b7 •

CVSS: -EPSS: 0%CPEs: 4EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: adv7511: fix crash on irq during probe Moved IRQ registration down to end of adv7511_probe(). If an IRQ already is pending during adv7511_probe (before adv7511_cec_init) then cec_received_msg_ts could crash using uninitialized data: Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5 Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP Call trace: cec_received_msg_ts+0x48/0x990 [cec] adv7511_cec_irq_process+0x1cc/0x308 [adv7511] adv7511_irq_process+0xd8/0x120 [adv7511] adv7511_irq_handler+0x1c/0x30 [adv7511] irq_thread_fn+0x30/0xa0 irq_thread+0x14c/0x238 kthread+0x190/0x1a8 En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/bridge: adv7511: corrige el fallo en irq durante la sonda Se movió el registro de IRQ al final de adv7511_probe(). Si ya hay una IRQ pendiente durante adv7511_probe (antes de adv7511_cec_init), entonces cec_received_msg_ts podría fallar usando datos no inicializados: No se puede manejar la lectura del kernel desde memoria ilegible en la dirección virtual 00000000000003d5 Error interno: Ups: 96000004 [#1] PREEMPT_RT SMP Seguimiento de llamadas: _ts+0x48 /0x990 [cec] adv7511_cec_irq_process+0x1cc/0x308 [adv7511] adv7511_irq_process+0xd8/0x120 [adv7511] adv7511_irq_handler+0x1c/0x30 [adv7511] irq_thread_fn+0x30/0xa0 leer+0x14c/0x238 khilo+0x190/0x1a8 • https://git.kernel.org/stable/c/3b1b975003e4a3da4b93ab032487a3ae4afca7b5 https://git.kernel.org/stable/c/50f4b57e9a9db4ede9294f39b9e75b5f26bae9b7 https://git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e https://git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924 •

CVSS: 6.4EPSS: 0%CPEs: 9EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix uaf in pvr2_context_set_notify [Syzbot reported] BUG: KASAN: slab-use-after-free in pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35 Read of size 4 at addr ffff888113aeb0d8 by task kworker/1:1/26 CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc4/0x620 mm/kasan/report.c:488 kasan_report+0xda/0x110 mm/kasan/report.c:601 pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35 pvr2_context_notify drivers/media/usb/pvrusb2/pvrusb2-context.c:95 [inline] pvr2_context_disconnect+0x94/0xb0 drivers/media/usb/pvrusb2/pvrusb2-context.c:272 Freed by task 906: kasan_save_stack+0x33/0x50 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640 poison_slab_object mm/kasan/common.c:241 [inline] __kasan_slab_free+0x106/0x1b0 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x105/0x340 mm/slub.c:4409 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline] pvr2_context_thread_func+0x69d/0x960 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 [Analyze] Task A set disconnect_flag = !0, which resulted in Task B's condition being met and releasing mp, leading to this issue. [Fix] Place the disconnect_flag assignment operation after all code in pvr2_context_disconnect() to avoid this issue. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: pvrusb2: corrige uaf en pvr2_context_set_notify [Syzbot informó] ERROR: KASAN: slab-use-after-free en pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2 -context.c:35 Lectura del tamaño 4 en la dirección ffff888113aeb0d8 por tarea kworker/1:1/26 CPU: 1 PID: 26 Comm: kworker/1:1 No contaminado 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 25/01/2024 Cola de trabajo: usb_hub_wq hub_event Seguimiento de llamadas: __dump_stack lib/dump_stack.c:88 [en línea] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c :106 print_address_description mm/kasan/report.c:377 [en línea] print_report+0xc4/0x620 mm/kasan/report.c:488 kasan_report+0xda/0x110 mm/kasan/report.c:601 pvr2_context_set_notify+0x2c4/0x310 controladores/ media/usb/pvrusb2/pvrusb2-context.c:35 pvr2_context_notify controladores/media/usb/pvrusb2/pvrusb2-context.c:95 [en línea] pvr2_context_disconnect+0x94/0xb0 controladores/media/usb/pvrusb2/pvrusb2-context.c :272 Liberado por la tarea 906: kasan_save_stack+0x33/0x50 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640 veneno_slab_object mm/kasan/common.c:241 [en línea] __kasan_slab_free+0x106/0x1b0 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [en línea] slab_free_hook mm/slub.c:2121 [en línea] slab_free mm/slub.c:4299 [en línea] kfree+0x105/0x340 mm/slub.c:4409 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [en línea] pvr2_context_thread_func+0x69d/0x960 controladores/medios /usb/pvrusb2/pvrusb2-context.c:158 [Analizar] La tarea A estableció desconectar_flag = !0, lo que resultó en que se cumpliera la condición de la tarea B y se liberara mp, lo que generó este problema. [Solución] Coloque la operación de asignaciónconnect_flag después de todo el código en pvr2_context_disconnect() para evitar este problema. • https://git.kernel.org/stable/c/e5be15c63804e05b5a94197524023702a259e308 https://git.kernel.org/stable/c/ed8000e1e8e9684ab6c30cf2b526c0cea039929c https://git.kernel.org/stable/c/d29ed08964cec8b9729bc55c7bb23f679d7a18fb https://git.kernel.org/stable/c/ab896d93fd6a2cd1afeb034c3cc9226cb499209f https://git.kernel.org/stable/c/eb6e9dce979c08210ff7249e5e0eceb8991bfcd7 https://git.kernel.org/stable/c/3a1ec89708d2e57e2712f46241282961b1a7a475 https://git.kernel.org/stable/c/8e60b99f6b7ccb3badeb512f5eb613ad45904592 https://git.kernel.org/stable/c/40cd818fae875c424a8335009db33c7b5 • CWE-416: Use After Free •