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Уязвимости linux · Страница 153

За последние 30 дней в linux опубликовано уязвимостей: 407; в каталоге KEV: 0.

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  1. CVE-2023-53765

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    dm cache: free background tracker's queued work in btracker_destroy

    In the Linux kernel, the following vulnerability has been resolved: dm cache: free background tracker's queued work in btracker_destroy Otherwise the kernel can BUG with: [ 2245.426978] ============================================================================= [ 2245.435155] BUG bt_work (Tainted: G B W ): Objects remaining in bt_work on __kmem_cache_shutdown() [ 2245.445233] ----------------------------------------------------------------------------- [ 2245.445233] [ 2245.454879] Slab 0x00000000b0ce2b30 objects=64 used=2 fp=0x000000000a3c6a4e flags=0x17ffffc0000200(slab|node=0|zone=2|lastcpupid=0x1fffff) [ 2245.467300] CPU

    linuxОперационные системы
    Опубликовано Обновлено
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  2. CVE-2023-53757

    Без оценкиEPSS 0,19%Нет опубликованного исправления

    irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe

    In the Linux kernel, the following vulnerability has been resolved: irqchip/irq-mvebu-gicp: Fix refcount leak in mvebu_gicp_probe of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.

    linuxОперационные системы
    Опубликовано Обновлено
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  3. CVE-2023-53754

    Средний · CVSS 5.1EPSS 0,19%Нет опубликованного исправления

    scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup() When if_type equals zero and pci_resource_start(pdev, PCI_64BIT_BAR4) returns false, drbl_regs_memmap_p is not remapped. This passes a NULL pointer to iounmap(), which can trigger a WARN() on certain arches. When if_type equals six and pci_resource_start(pdev, PCI_64BIT_BAR4) returns true, drbl_regs_memmap_p may has been remapped and ctrl_regs_memmap_p is not remapped. This is a resource leak and passes a NULL pointer to iounmap(). To fix these issues, we need to add null checks before iounmap(), and change some

    linuxОперационные системы
    Опубликовано Обновлено
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  4. CVE-2023-53753

    Высокий · CVSS 7.8EPSS 0,14%Нет опубликованного исправления

    drm/amd/display: fix mapping to non-allocated address

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address [Why] There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. [How] Patch correct numbers of bounds for using.

    linuxОперационные системы
    Опубликовано Обновлено
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  5. CVE-2023-53748

    Высокий · CVSS 7.1EPSS 0,14%Нет опубликованного исправления

    media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup

    In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup variable *nplanes is provided by user via system call argument. The possible value of q_data->fmt->num_planes is 1-3, while the value of *nplanes can be 1-8. The array access by index i can cause array out-of-bounds. Fix this bug by checking *nplanes against the array size.

    linuxОперационные системы
    Опубликовано Обновлено
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  6. CVE-2023-53747

    Высокий · CVSS 7.8EPSS 0,14%Нет опубликованного исправления

    vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF

    In the Linux kernel, the following vulnerability has been resolved: vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF After a call to console_unlock() in vcs_write() the vc_data struct can be freed by vc_port_destruct(). Because of that, the struct vc_data pointer must be reloaded in the while loop in vcs_write() after console_lock() to avoid a UAF when vcs_size() is called. Syzkaller reported a UAF in vcs_size(). BUG: KASAN: slab-use-after-free in vcs_size (drivers/tty/vt/vc_screen.c:215) Read of size 4 at addr ffff8880beab89a8 by task repro_vcs_size/4119 Call Trace: <TASK> __asan_report_load4_noabort (mm/kas

    linuxОперационные системы
    Опубликовано Обновлено
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  7. CVE-2023-53746

    Без оценкиEPSS 0,19%Нет опубликованного исправления

    s390/vfio-ap: fix memory leak in vfio_ap device driver

    In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix memory leak in vfio_ap device driver The device release callback function invoked to release the matrix device uses the dev_get_drvdata(device *dev) function to retrieve the pointer to the vfio_matrix_dev object in order to free its storage. The problem is, this object is not stored as drvdata with the device; since the kfree function will accept a NULL pointer, the memory for the vfio_matrix_dev object is never freed. Since the device being released is contained within the vfio_matrix_dev object, the container_of macro will be used to retrieve its pointe

    linuxОперационные системы
    Опубликовано Обновлено
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  8. CVE-2022-50630

    Высокий · CVSS 7.8EPSS 0,15%Нет опубликованного исправления

    mm: hugetlb: fix UAF in hugetlb_handle_userfault

    In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: fix UAF in hugetlb_handle_userfault The vma_lock and hugetlb_fault_mutex are dropped before handling userfault and reacquire them again after handle_userfault(), but reacquire the vma_lock could lead to UAF[1,2] due to the following race, hugetlb_fault hugetlb_no_page /*unlock vma_lock */ hugetlb_handle_userfault handle_userfault /* unlock mm->mmap_lock*/ vm_mmap_pgoff do_mmap mmap_region

    linuxОперационные системы
    Опубликовано Обновлено
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  9. CVE-2022-50616

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    regulator: core: Use different devices for resource allocation and DT lookup

    In the Linux kernel, the following vulnerability has been resolved: regulator: core: Use different devices for resource allocation and DT lookup Following by the below discussion, there's the potential UAF issue between regulator and mfd. https://lore.kernel.org/all/20221128143601.1698148-1-yangyingliang@huawei.com/ From the analysis of Yingliang CPU A |CPU B mt6370_probe() | devm_mfd_add_devices() | |mt6370_regulator_probe() | regulator_register() | //allocate init_data and add it to devres | regulator_of_get_init_data() i2c_unregister_device() | device_del() | devres_release_all() | // init_d

    linuxОперационные системы
    Опубликовано Обновлено
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  10. CVE-2022-50614

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    misc: pci_endpoint_test: Fix pci_endpoint_test_{copy,write,read}() panic

    In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Fix pci_endpoint_test_{copy,write,read}() panic The dma_map_single() doesn't permit zero length mapping. It causes a follow panic. A panic was reported on arm64: [ 60.137988] ------------[ cut here ]------------ [ 60.142630] kernel BUG at kernel/dma/swiotlb.c:624! [ 60.147508] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 60.152992] Modules linked in: dw_hdmi_cec crct10dif_ce simple_bridge rcar_fdp1 vsp1 rcar_vin videobuf2_vmalloc rcar_csi2 v4l 2_mem2mem videobuf2_dma_contig videobuf2_memops pci_endpoint_test videobuf2_v4l2 videobuf2_co

    linuxОперационные системы
    Опубликовано Обновлено
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  11. CVE-2025-40323

    Высокий · CVSS 7.8EPSS 0,14%Нет опубликованного исправления

    fbcon: Set fb_display[i]->mode to NULL when the mode is released

    In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fb_display[i]->mode to NULL when the mode is released Recently, we discovered the following issue through syzkaller: BUG: KASAN: slab-use-after-free in fb_mode_is_equal+0x285/0x2f0 Read of size 4 at addr ff11000001b3c69c by task syz.xxx ... Call Trace: <TASK> dump_stack_lvl+0xab/0xe0 print_address_description.constprop.0+0x2c/0x390 print_report+0xb9/0x280 kasan_report+0xb8/0xf0 fb_mode_is_equal+0x285/0x2f0 fbcon_mode_deleted+0x129/0x180 fb_set_var+0xe7f/0x11d0 do_fb_ioctl+0x6a0/0x750 fb_ioctl+0xe0/0x140 __x64_sys_ioctl+0x193/0x210 do_syscall_64+0x5f/

    linuxОперационные системы
    Опубликовано Обновлено
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  12. CVE-2025-40322

    Высокий · CVSS 7.1EPSS 0,14%Нет опубликованного исправления

    fbdev: bitblit: bound-check glyph index in bit_putcs*

    In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bit_putcs* bit_putcs_aligned()/unaligned() derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count and read past the end of the built-in font array. Clamp the index to the actual glyph count before computing the address. This fixes a global out-of-bounds read reported by syzbot.

    linuxОперационные системы
    Опубликовано Обновлено
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  13. CVE-2025-40321

    Средний · CVSS 6EPSS 0,2%Нет опубликованного исправления

    wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix crash while sending Action Frames in standalone AP Mode Currently, whenever there is a need to transmit an Action frame, the brcmfmac driver always uses the P2P vif to send the "actframe" IOVAR to firmware. The P2P interfaces were available when wpa_supplicant is managing the wlan interface. However, the P2P interfaces are not created/initialized when only hostapd is managing the wlan interface. And if hostapd receives an ANQP Query REQ Action frame even from an un-associated STA, the brcmfmac driver tries to use an uninitialized P2P vif pointer for sen

    linuxОперационные системы
    Опубликовано Обновлено
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  14. CVE-2025-40315

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    usb: gadget: f_fs: Fix epfile null pointer access after ep enable.

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Fix epfile null pointer access after ep enable. A race condition occurs when ffs_func_eps_enable() runs concurrently with ffs_data_reset(). The ffs_data_clear() called in ffs_data_reset() sets ffs->epfiles to NULL before resetting ffs->eps_count to 0, leading to a NULL pointer dereference when accessing epfile->ep in ffs_func_eps_enable() after successful usb_ep_enable(). The ffs->epfiles pointer is set to NULL in both ffs_data_clear() and ffs_data_close() functions, and its modification is protected by the spinlock ffs->eps_lock. And the whole ffs_func_

    linuxОперационные системы
    Опубликовано Обновлено
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  15. CVE-2025-40312

    Высокий · CVSS 7.1EPSS 0,2%Нет опубликованного исправления

    jfs: Verify inode mode when loading from disk

    In the Linux kernel, the following vulnerability has been resolved: jfs: Verify inode mode when loading from disk The inode mode loaded from corrupted disk can be invalid. Do like what commit 0a9e74051313 ("isofs: Verify inode mode when loading from disk") does.

    linuxОперационные системы
    Опубликовано Обновлено
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  16. CVE-2025-40306

    Высокий · CVSS 7.8EPSS 0,16%Нет опубликованного исправления

    orangefs: fix xattr related buffer overflow...

    In the Linux kernel, the following vulnerability has been resolved: orangefs: fix xattr related buffer overflow... Willy Tarreau <w@1wt.eu> forwarded me a message from Disclosure <disclosure@aisle.com> with the following warning: > The helper `xattr_key()` uses the pointer variable in the loop condition > rather than dereferencing it. As `key` is incremented, it remains non-NULL > (until it runs into unmapped memory), so the loop does not terminate on > valid C strings and will walk memory indefinitely, consuming CPU or hanging > the thread. I easily reproduced this with setfattr and getfattr, causing a kernel oops, hung user processes an

    linuxОперационные системы
    Опубликовано Обновлено
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  17. CVE-2025-40304

    Высокий · CVSS 7.8EPSS 0,14%Нет опубликованного исправления

    fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds

    In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundaries when rendering text near screen edges. Return early if the Y position is off-screen and clip image height to screen boundary. Break from the rendering loop if the X position is off-screen. When clipping image width to fit the screen, update the character count to match the clipped width to prevent buffer size mismatches. Without the character count update, bit_putcs_aligned and bit_putcs_unaligned receive mismatched parameters where the buf

    linuxОперационные системы
    Опубликовано Обновлено
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  18. CVE-2025-40303

    Высокий · CVSS 7.8EPSS 0,14%Нет опубликованного исправления

    btrfs: ensure no dirty metadata is written back for an fs with errors

    In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure no dirty metadata is written back for an fs with errors [BUG] During development of a minor feature (make sure all btrfs_bio::end_io() is called in task context), I noticed a crash in generic/388, where metadata writes triggered new works after btrfs_stop_all_workers(). It turns out that it can even happen without any code modification, just using RAID5 for metadata and the same workload from generic/388 is going to trigger the use-after-free. [CAUSE] If btrfs hits an error, the fs is marked as error, no new transaction is allowed thus metadata is in a froze

    linuxОперационные системы
    Опубликовано Обновлено
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  19. CVE-2025-40289

    Средний · CVSS 6.8EPSS 0,22%Нет опубликованного исправления

    drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM Otherwise accessing them can cause a crash.

    linuxОперационные системы
    Опубликовано Обновлено
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  20. CVE-2025-40288

    Средний · CVSS 6.8EPSS 0,19%Нет опубликованного исправления

    drm/amdgpu: Fix NULL pointer dereference in VRAM logic for APU devices

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix NULL pointer dereference in VRAM logic for APU devices Previously, APU platforms (and other scenarios with uninitialized VRAM managers) triggered a NULL pointer dereference in `ttm_resource_manager_usage()`. The root cause is not that the `struct ttm_resource_manager *man` pointer itself is NULL, but that `man->bdev` (the backing device pointer within the manager) remains uninitialized (NULL) on APUs—since APUs lack dedicated VRAM and do not fully set up VRAM manager structures. When `ttm_resource_manager_usage()` attempts to acquire `man->bdev->lru_lock`, i

    linuxОперационные системы
    Опубликовано Обновлено
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