CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2023-52673 – drm/amd/display: Fix a debugfs null pointer error
https://notcve.org/view.php?id=CVE-2023-52673
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a debugfs null pointer error [WHY & HOW] Check whether get_subvp_en() callback exists before calling it. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amd/display: corrige un error de puntero null de debugfs [POR QUÉ Y CÓMO] Verifique si la devolución de llamada get_subvp_en() existe antes de llamarla. • https://git.kernel.org/stable/c/43235db21fc23559f50a62f8f273002eeb506f5a https://git.kernel.org/stable/c/efb91fea652a42fcc037d2a9ef4ecd1ffc5ff4b7 •
CVSS: -EPSS: 0%CPEs: 3EXPL: 0CVE-2023-52671 – drm/amd/display: Fix hang/underflow when transitioning to ODM4:1
https://notcve.org/view.php?id=CVE-2023-52671
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix hang/underflow when transitioning to ODM4:1 [Why] Under some circumstances, disabling an OPTC and attempting to reclaim its OPP(s) for a different OPTC could cause a hang/underflow due to OPPs not being properly disconnected from the disabled OPTC. [How] Ensure that all OPPs are unassigned from an OPTC when it gets disabled. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amd/display: corrigió bloqueo/desbordamiento insuficiente al realizar la transición a ODM4:1 [Por qué] En algunas circunstancias, deshabilitar un OPTC e intentar reclamar sus OPP para otro OPTC podría causar un bloqueo/desbordamiento insuficiente debido a que los OPP no se desconectan correctamente del OPTC deshabilitado. [Cómo] Asegúrese de que todos los OPP estén desasignados de un OPTC cuando se deshabilite. • https://git.kernel.org/stable/c/ae62f1dde66a6f0eee98defc4c7a346bd5acd239 https://git.kernel.org/stable/c/4b6b479b2da6badff099b2e3abf0248936eefbf5 https://git.kernel.org/stable/c/e7b2b108cdeab76a7e7324459e50b0c1214c0386 •
CVSS: -EPSS: 0%CPEs: 2EXPL: 0CVE-2024-35832 – bcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit
https://notcve.org/view.php?id=CVE-2024-35832
In the Linux kernel, the following vulnerability has been resolved: bcachefs: kvfree bch_fs::snapshots in bch2_fs_snapshots_exit bch_fs::snapshots is allocated by kvzalloc in __snapshot_t_mut. It should be freed by kvfree not kfree. Or umount will triger: [ 406.829178 ] BUG: unable to handle page fault for address: ffffe7b487148008 [ 406.830676 ] #PF: supervisor read access in kernel mode [ 406.831643 ] #PF: error_code(0x0000) - not-present page [ 406.832487 ] PGD 0 P4D 0 [ 406.832898 ] Oops: 0000 [#1] PREEMPT SMP PTI [ 406.833512 ] CPU: 2 PID: 1754 Comm: umount Kdump: loaded Tainted: G OE 6.7.0-rc7-custom+ #90 [ 406.834746 ] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.16.3-1-1 04/01/2014 [ 406.835796 ] RIP: 0010:kfree+0x62/0x140 [ 406.836197 ] Code: 80 48 01 d8 0f 82 e9 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 78 9f 1f 01 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 56 9f 1f 01 <48> 8b 50 08 48 89 c7 f6 c2 01 0f 85 b0 00 00 00 66 90 48 8b 07 f6 [ 406.837810 ] RSP: 0018:ffffb9d641607e48 EFLAGS: 00010286 [ 406.838213 ] RAX: ffffe7b487148000 RBX: ffffb9d645200000 RCX: ffffb9d641607dc4 [ 406.838738 ] RDX: 000065bb00000000 RSI: ffffffffc0d88b84 RDI: ffffb9d645200000 [ 406.839217 ] RBP: ffff9a4625d00068 R08: 0000000000000001 R09: 0000000000000001 [ 406.839650 ] R10: 0000000000000001 R11: 000000000000001f R12: ffff9a4625d4da80 [ 406.840055 ] R13: ffff9a4625d00000 R14: ffffffffc0e2eb20 R15: 0000000000000000 [ 406.840451 ] FS: 00007f0a264ffb80(0000) GS:ffff9a4e2d500000(0000) knlGS:0000000000000000 [ 406.840851 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 406.841125 ] CR2: ffffe7b487148008 CR3: 000000018c4d2000 CR4: 00000000000006f0 [ 406.841464 ] Call Trace: [ 406.841583 ] <TASK> [ 406.841682 ] ? __die+0x1f/0x70 [ 406.841828 ] ? page_fault_oops+0x159/0x470 [ 406.842014 ] ? fixup_exception+0x22/0x310 [ 406.842198 ] ? exc_page_fault+0x1ed/0x200 [ 406.842382 ] ? • https://git.kernel.org/stable/c/56590678791119b9a655202e49898edfb9307271 https://git.kernel.org/stable/c/369acf97d6fd5da620d053d0f1878ffe32eff555 •
CVSS: -EPSS: 0%CPEs: 4EXPL: 0CVE-2023-52664 – net: atlantic: eliminate double free in error handling logic
https://notcve.org/view.php?id=CVE-2023-52664
In the Linux kernel, the following vulnerability has been resolved: net: atlantic: eliminate double free in error handling logic Driver has a logic leak in ring data allocation/free, where aq_ring_free could be called multiple times on same ring, if system is under stress and got memory allocation error. Ring pointer was used as an indicator of failure, but this is not correct since only ring data is allocated/deallocated. Ring itself is an array member. Changing ring allocation functions to return error code directly. This simplifies error handling and eliminates aq_ring_free on higher layer. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: atlantic: elimina double free en la lógica de manejo de errores El controlador tiene una fuga lógica en la asignación de datos del anillo/free, donde se podría llamar a aq_ring_free varias veces en el mismo anillo, si el sistema está bajo estrés y obtuve un error de asignación de memoria. Se utilizó un puntero de anillo como indicador de error, pero esto no es correcto ya que solo se asignan/desasignan datos de anillo. El anillo en sí es un miembro de la matriz. Cambiar las funciones de asignación de anillos para devolver el código de error directamente. • https://git.kernel.org/stable/c/0edb3ae8bfa31cd544b0c195bdec00e036002b5d https://git.kernel.org/stable/c/c11a870a73a3bc4cc7df6dd877a45b181795fcbf https://git.kernel.org/stable/c/d1fde4a7e1dcc4d49cce285107a7a43c3030878d https://git.kernel.org/stable/c/b3cb7a830a24527877b0bc900b9bd74a96aea928 •
CVSS: -EPSS: 0%CPEs: 9EXPL: 0CVE-2024-35822 – usb: udc: remove warning when queue disabled ep
https://notcve.org/view.php?id=CVE-2024-35822
In the Linux kernel, the following vulnerability has been resolved: usb: udc: remove warning when queue disabled ep It is possible trigger below warning message from mass storage function, WARNING: CPU: 6 PID: 3839 at drivers/usb/gadget/udc/core.c:294 usb_ep_queue+0x7c/0x104 pc : usb_ep_queue+0x7c/0x104 lr : fsg_main_thread+0x494/0x1b3c Root cause is mass storage function try to queue request from main thread, but other thread may already disable ep when function disable. As there is no function failure in the driver, in order to avoid effort to fix warning, change WARN_ON_ONCE() in usb_ep_queue() to pr_debug(). En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: udc: elimina la advertencia cuando la cola está deshabilitada ep Es posible que se active el siguiente mensaje de advertencia desde la función de almacenamiento masivo, ADVERTENCIA: CPU: 6 PID: 3839 en drivers/usb/gadget/udc /core.c:294 usb_ep_queue+0x7c/0x104 pc: usb_ep_queue+0x7c/0x104 lr: fsg_main_thread+0x494/0x1b3c La causa principal es que la función de almacenamiento masivo intenta poner en cola la solicitud desde el hilo principal, pero es posible que otro hilo ya deshabilite ep cuando la función se deshabilita. Como no hay ningún fallo de función en el controlador, para evitar el esfuerzo de corregir la advertencia, cambie WARN_ON_ONCE() en usb_ep_queue() a pr_debug(). • https://git.kernel.org/stable/c/2b002c308e184feeaeb72987bca3f1b11e5f70b8 https://git.kernel.org/stable/c/68d951880d0c52c7f13dcefb5501b69b8605ce8c https://git.kernel.org/stable/c/3e944ddc17c042945d983e006df7860687a8849a https://git.kernel.org/stable/c/df5cbb908f1687e8ab97e222a16b7890d5501acf https://git.kernel.org/stable/c/f74c5e0b54b02706d9a862ac6cddade30ac86bcf https://git.kernel.org/stable/c/99731076722eb7ed26b0c87c879da7bb71d24290 https://git.kernel.org/stable/c/36177c2595df12225b95ce74eb1ac77b43d5a58c https://git.kernel.org/stable/c/30511676eb54d480d014352bf784f0257 •