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Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
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Title: kernel de Linux
Description: En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdkfd: Reparar advertencia de dependencia de bloqueo =============================== ======================== ADVERTENCIA: posible dependencia de bloqueo circular detectada 6.5.0-kfd-fkuehlin #276 No contaminado -------- ---------------------------------------------- ktrabajador/8: 2/2676 está intentando adquirir el bloqueo: ffff9435aae95c88 ((work_completion)(&svm_bo->eviction_work)){+.+.}-{0:0}, en: __flush_work+0x52/0x550 pero la tarea ya mantiene el bloqueo: ffff9435cd8e1720 ( &svms->lock){+.+.}-{3:3}, en: svm_range_deferred_list_work+0xe8/0x340 [amdgpu] cuyo bloqueo ya depende del nuevo bloqueo. la cadena de dependencia existente (en orden inverso) es: -> #2 (&svms->lock){+.+.}-{3:3}: __mutex_lock+0x97/0xd30 kfd_ioctl_alloc_memory_of_gpu+0x6d/0x3c0 [amdgpu] kfd_ioctl+0x1b2 /0x5d0 [amdgpu] __x64_sys_ioctl+0x86/0xc0 do_syscall_64+0x39/0x80 Entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #1 (&mm->mmap_lock){++++}-{3:3}: down_read+0x42/0x160 svm_range_evi ct_svm_bo_worker+ 0x8b/0x340 [amdgpu] proceso_one_work+0x27a/0x540 trabajador_thread+0x53/0x3e0 kthread+0xeb/0x120 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x11/0x20 -> #0 ((work_completion)(&svm_bo->eviction_work) ){+.+ .}-{0:0}: __lock_acquire+0x1426/0x2200 lock_acquire+0xc1/0x2b0 __flush_work+0x80/0x550 __cancel_work_timer+0x109/0x190 svm_range_bo_release+0xdc/0x1c0 [amdgpu] svm_range_free+0x175 /0x180 [amdgpu] svm_range_deferred_list_work+0x15d/0x340 [amdgpu] Process_one_work+0x27a/0x540 trabajador_thread+0x53/0x3e0 kthread+0xeb/0x120 ret_from_fork+0x31/0x50 ret_from_fork_asm+0x11/0x20 otra información que podría ayudarnos a depurar esto: Existe cadena de: (work_completion)(&svm_bo->eviction_work) --> &mm->mmap_lock --> &svms->lock Posible escenario de bloqueo inseguro: CPU0 CPU1 ---- ---- lock(&svms->lock); bloquear(&mm->mmap_lock); bloquear(&svms->bloquear); loc
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Fix lock dependency warning
======================================================
WARNING: possible circular locking dependency detected
6.5.0-kfd-fkuehlin #276 Not tainted
------------------------------------------------------
kworker/8:2/2676 is trying to acquire lock:
ffff9435aae95c88 ((work_completion)(&svm_bo->eviction_work)){+.+.}-{0:0}, at: __flush_work+0x52/0x550
but task is already holding lock:
ffff9435cd8e1720 (&svms->lock){+.+.}-{3:3}, at: svm_range_deferred_list_work+0xe8/0x340 [amdgpu]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&svms->lock){+.+.}-{3:3}:
__mutex_lock+0x97/0xd30
kfd_ioctl_alloc_memory_of_gpu+0x6d/0x3c0 [amdgpu]
kfd_ioctl+0x1b2/0x5d0 [amdgpu]
__x64_sys_ioctl+0x86/0xc0
do_syscall_64+0x39/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #1 (&mm->mmap_lock){++++}-{3:3}:
down_read+0x42/0x160
svm_range_evict_svm_bo_worker+0x8b/0x340 [amdgpu]
process_one_work+0x27a/0x540
worker_thread+0x53/0x3e0
kthread+0xeb/0x120
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x11/0x20
-> #0 ((work_completion)(&svm_bo->eviction_work)){+.+.}-{0:0}:
__lock_acquire+0x1426/0x2200
lock_acquire+0xc1/0x2b0
__flush_work+0x80/0x550
__cancel_work_timer+0x109/0x190
svm_range_bo_release+0xdc/0x1c0 [amdgpu]
svm_range_free+0x175/0x180 [amdgpu]
svm_range_deferred_list_work+0x15d/0x340 [amdgpu]
process_one_work+0x27a/0x540
worker_thread+0x53/0x3e0
kthread+0xeb/0x120
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x11/0x20
other info that might help us debug this:
Chain exists of:
(work_completion)(&svm_bo->eviction_work) --> &mm->mmap_lock --> &svms->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&svms->lock);
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Fix lock dependency warning
======================================================
WARNING: possible circular locking dependency detected
6.5.0-kfd-fkuehlin #276 Not tainted
------------------------------------------------------
kworker/8:2/2676 is trying to acquire lock:
ffff9435aae95c88 ((work_completion)(&svm_bo->eviction_work)){+.+.}-{0:0}, at: __flush_work+0x52/0x550
but task is already holding lock:
ffff9435cd8e1720 (&svms->lock){+.+.}-{3:3}, at: svm_range_deferred_list_work+0xe8/0x340 [amdgpu]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&svms->lock){+.+.}-{3:3}:
__mutex_lock+0x97/0xd30
kfd_ioctl_alloc_memory_of_gpu+0x6d/0x3c0 [amdgpu]
kfd_ioctl+0x1b2/0x5d0 [amdgpu]
__x64_sys_ioctl+0x86/0xc0
do_syscall_64+0x39/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #1 (&mm->mmap_lock){++++}-{3:3}:
down_read+0x42/0x160
svm_range_evict_svm_bo_worker+0x8b/0x340 [amdgpu]
process_one_work+0x27a/0x540
worker_thread+0x53/0x3e0
kthread+0xeb/0x120
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x11/0x20
-> #0 ((work_completion)(&svm_bo->eviction_work)){+.+.}-{0:0}:
__lock_acquire+0x1426/0x2200
lock_acquire+0xc1/0x2b0
__flush_work+0x80/0x550
__cancel_work_timer+0x109/0x190
svm_range_bo_release+0xdc/0x1c0 [amdgpu]
svm_range_free+0x175/0x180 [amdgpu]
svm_range_deferred_list_work+0x15d/0x340 [amdgpu]
process_one_work+0x27a/0x540
worker_thread+0x53/0x3e0
kthread+0xeb/0x120
ret_from_fork+0x31/0x50
ret_from_fork_asm+0x11/0x20
other info that might help us debug this:
Chain exists of:
(work_completion)(&svm_bo->eviction_work) --> &mm->mmap_lock --> &svms->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&svms->lock);
Added
Reference
Linux https://git.kernel.org/stable/c/28d2d623d2fbddcca5c24600474e92f16ebb3a05 [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/47bf0f83fc86df1bf42b385a91aadb910137c5c9 [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/7a70663ba02bd4e19aea8d70c979eb3bd03d839d [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/8b25d397162b0316ceda40afaa63ee0c4a97d28b [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/cb96e492d72d143d57db2d2bc143a1cee8741807 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2024-26628 NVD
Published Date: 03/06/2024 NVD
Last Modified: 03/20/2024
Source: kernel.org
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