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Уязвимости linux · Страница 183

За последние 30 дней в linux опубликовано уязвимостей: 324; в каталоге KEV: 0.

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  1. CVE-2025-38262

    Высокий · CVSS 7.8EPSS 0,19%Нет опубликованного исправления

    tty: serial: uartlite: register uart driver in init

    In the Linux kernel, the following vulnerability has been resolved: tty: serial: uartlite: register uart driver in init When two instances of uart devices are probing, a concurrency race can occur. If one thread calls uart_register_driver function, which first allocates and assigns memory to 'uart_state' member of uart_driver structure, the other instance can bypass uart driver registration and call ulite_assign. This calls uart_add_one_port, which expects the uart driver to be fully initialized. This leads to a kernel panic due to a null pointer dereference: [ 8.143581] BUG: kernel NULL pointer dereference, address: 00000000000002b8 [

    linuxОперационные системы
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  2. CVE-2025-38261

    Высокий · CVSS 7.8EPSS 0,24%Нет опубликованного исправления

    riscv: save the SR_SUM status over switches

    In the Linux kernel, the following vulnerability has been resolved: riscv: save the SR_SUM status over switches When threads/tasks are switched we need to ensure the old execution's SR_SUM state is saved and the new thread has the old SR_SUM state restored. The issue was seen under heavy load especially with the syz-stress tool running, with crashes as follows in schedule_tail: Unable to handle kernel access to user memory without uaccess routines at virtual address 000000002749f0d0 Oops [#1] Modules linked in: CPU: 1 PID: 4875 Comm: syz-executor.0 Not tainted 5.12.0-rc2-syzkaller-00467-g0d7588ab9ef9 #0 Hardware name: riscv-virtio,qemu (D

    linuxОперационные системы
    Опубликовано Обновлено
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  3. CVE-2025-38250

    Высокий · CVSS 7.8EPSS 0,18%Нет опубликованного исправления

    Bluetooth: hci_core: Fix use-after-free in vhci_flush()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix use-after-free in vhci_flush() syzbot reported use-after-free in vhci_flush() without repro. [0] From the splat, a thread close()d a vhci file descriptor while its device was being used by iotcl() on another thread. Once the last fd refcnt is released, vhci_release() calls hci_unregister_dev(), hci_free_dev(), and kfree() for struct vhci_data, which is set to hci_dev->dev->driver_data. The problem is that there is no synchronisation after unlinking hdev from hci_dev_list in hci_unregister_dev(). There might be another thread still accessing the

    linuxОперационные системы
    Опубликовано Обновлено
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  4. CVE-2025-38245

    Высокий · CVSS 7.8EPSS 0,19%Нет опубликованного исправления

    atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister().

    In the Linux kernel, the following vulnerability has been resolved: atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister(). syzbot reported a warning below during atm_dev_register(). [0] Before creating a new device and procfs/sysfs for it, atm_dev_register() looks up a duplicated device by __atm_dev_lookup(). These operations are done under atm_dev_mutex. However, when removing a device in atm_dev_deregister(), it releases the mutex just after removing the device from the list that __atm_dev_lookup() iterates over. So, there will be a small race window where the device does not exist on the device list but procfs/sysf

    linuxОперационные системы
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  5. CVE-2024-36357

    Средний · CVSS 5.6EPSS 0,36%Нет опубликованного исправления

    CVE-2024-36357

    A transient execution vulnerability in some AMD processors may allow an attacker to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.

    linuxОперационные системы
    Опубликовано Обновлено
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  6. CVE-2024-36350

    Средний · CVSS 5.6EPSS 0,49%Нет опубликованного исправления

    CVE-2024-36350

    A transient execution vulnerability in some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information.

    linuxОперационные системы
    Опубликовано Обновлено
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  7. CVE-2025-38237

    Средний · CVSS 5.7EPSS 0,18%Нет опубликованного исправления

    media: platform: exynos4-is: Add hardware sync wait to fimc_is_hw_change_mode()

    In the Linux kernel, the following vulnerability has been resolved: media: platform: exynos4-is: Add hardware sync wait to fimc_is_hw_change_mode() In fimc_is_hw_change_mode(), the function changes camera modes without waiting for hardware completion, risking corrupted data or system hangs if subsequent operations proceed before the hardware is ready. Add fimc_is_hw_wait_intmsr0_intmsd0() after mode configuration, ensuring hardware state synchronization and stable interrupt handling.

    linuxОперационные системы
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  8. CVE-2025-38234

    Высокий · CVSS 7.8EPSS 0,17%Нет опубликованного исправления

    sched/rt: Fix race in push_rt_task

    In the Linux kernel, the following vulnerability has been resolved: sched/rt: Fix race in push_rt_task Overview ======== When a CPU chooses to call push_rt_task and picks a task to push to another CPU's runqueue then it will call find_lock_lowest_rq method which would take a double lock on both CPUs' runqueues. If one of the locks aren't readily available, it may lead to dropping the current runqueue lock and reacquiring both the locks at once. During this window it is possible that the task is already migrated and is running on some other CPU. These cases are already handled. However, if the task is migrated and has already been executed a

    linuxОперационные системы
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  9. CVE-2025-38230

    Высокий · CVSS 7.8EPSS 0,19%Нет опубликованного исправления

    jfs: validate AG parameters in dbMount() to prevent crashes

    In the Linux kernel, the following vulnerability has been resolved: jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheigh

    linuxОперационные системы
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  10. CVE-2025-38229

    Средний · CVSS 5.5EPSS 0,18%Нет опубликованного исправления

    media: cxusb: no longer judge rbuf when the write fails

    In the Linux kernel, the following vulnerability has been resolved: media: cxusb: no longer judge rbuf when the write fails syzbot reported a uninit-value in cxusb_i2c_xfer. [1] Only when the write operation of usb_bulk_msg() in dvb_usb_generic_rw() succeeds and rlen is greater than 0, the read operation of usb_bulk_msg() will be executed to read rlen bytes of data from the dvb device into the rbuf. In this case, although rlen is 1, the write operation failed which resulted in the dvb read operation not being executed, and ultimately variable i was not initialized. [1] BUG: KMSAN: uninit-value in cxusb_gpio_tuner drivers/media/usb/dvb-us

    linuxОперационные системы
    Опубликовано Обновлено
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  11. CVE-2025-38226

    Высокий · CVSS 7.8EPSS 0,19%Нет опубликованного исправления

    media: vivid: Change the siize of the composing

    In the Linux kernel, the following vulnerability has been resolved: media: vivid: Change the siize of the composing syzkaller found a bug: BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_pattern drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2608 [inline] BUG: KASAN: vmalloc-out-of-bounds in tpg_fill_plane_buffer+0x1a9c/0x5af0 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:2705 Write of size 1440 at addr ffffc9000d0ffda0 by task vivid-000-vid-c/5304 CPU: 0 UID: 0 PID: 5304 Comm: vivid-000-vid-c Not tainted 6.14.0-rc2-syzkaller-00039-g09fbf3d50205 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1

    linuxОперационные системы
    Опубликовано Обновлено
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  12. CVE-2025-38222

    Средний · CVSS 6.8EPSS 0,18%Нет опубликованного исправления

    ext4: inline: fix len overflow in ext4_prepare_inline_data

    In the Linux kernel, the following vulnerability has been resolved: ext4: inline: fix len overflow in ext4_prepare_inline_data When running the following code on an ext4 filesystem with inline_data feature enabled, it will lead to the bug below. fd = open("file1", O_RDWR | O_CREAT | O_TRUNC, 0666); ftruncate(fd, 30); pwrite(fd, "a", 1, (1UL << 40) + 5UL); That happens because write_begin will succeed as when ext4_generic_write_inline_data calls ext4_prepare_inline_data, pos + len will be truncated, leading to ext4_prepare_inline_data parameter to be 6 instead of 0x10000000006. Then, later when write_end is called,

    linuxОперационные системы
    Опубликовано Обновлено
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  13. CVE-2025-38219

    Средний · CVSS 5.5EPSS 0,18%Нет опубликованного исправления

    f2fs: prevent kernel warning due to negative i_nlink from corrupted image

    In the Linux kernel, the following vulnerability has been resolved: f2fs: prevent kernel warning due to negative i_nlink from corrupted image WARNING: CPU: 1 PID: 9426 at fs/inode.c:417 drop_nlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Modules linked in: CPU: 1 UID: 0 PID: 9426 Comm: syz-executor568 Not tainted 6.14.0-12627-g94d471a4f428 #2 PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 RIP: 0010:drop_nlink+0xac/0xd0 home/cc/linux/fs/inode.c:417 Code: 48 8b 5d 28 be 08 00 00 00 48 8d bb 70 07 00 00 e8 f9 67 e6 ff f0 48 ff 83 70 07 00 00 5b 5d e9 9a 12 82 ff e8 95 12 82 ff 90 &lt;0f&gt;

    linuxОперационные системы
    Опубликовано Обновлено
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  14. CVE-2025-38218

    Высокий · CVSS 7.8EPSS 0,19%Нет опубликованного исправления

    f2fs: fix to do sanity check on sit_bitmap_size

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on sit_bitmap_size w/ below testcase, resize will generate a corrupted image which contains inconsistent metadata, so when mounting such image, it will trigger kernel panic: touch img truncate -s $((512*1024*1024*1024)) img mkfs.f2fs -f img $((256*1024*1024)) resize.f2fs -s -i img -t $((1024*1024*1024)) mount img /mnt/f2fs ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.h:863! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 11 UID: 0 PID: 3922 Comm: mount Not tainted 6.15.0-rc1+ #191 PREEMPT(voluntary) Hardware name: QEMU Stand

    linuxОперационные системы
    Опубликовано Обновлено
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  15. CVE-2025-38215

    Средний · CVSS 5.6EPSS 0,17%Нет опубликованного исправления

    fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var

    In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix do_register_framebuffer to prevent null-ptr-deref in fb_videomode_to_var If fb_add_videomode() in do_register_framebuffer() fails to allocate memory for fb_videomode, it will later lead to a null-ptr dereference in fb_videomode_to_var(), as the fb_info is registered while not having the mode in modelist that is expected to be there, i.e. the one that is described in fb_info->var. ================================================================ general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN

    linuxОперационные системы
    Опубликовано Обновлено
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  16. CVE-2025-38214

    Средний · CVSS 5.7EPSS 0,19%Нет опубликованного исправления

    fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var

    In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fb_set_var to prevent null-ptr-deref in fb_videomode_to_var If fb_add_videomode() in fb_set_var() fails to allocate memory for fb_videomode, later it may lead to a null-ptr dereference in fb_videomode_to_var(), as the fb_info is registered while not having the mode in modelist that is expected to be there, i.e. the one that is described in fb_info->var. ================================================================ general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [

    linuxОперационные системы
    Опубликовано Обновлено
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  17. CVE-2025-38212

    Высокий · CVSS 7.8EPSS 0,2%Нет опубликованного исправления

    ipc: fix to protect IPCS lookups using RCU

    In the Linux kernel, the following vulnerability has been resolved: ipc: fix to protect IPCS lookups using RCU syzbot reported that it discovered a use-after-free vulnerability, [0] [0]: https://lore.kernel.org/all/67af13f8.050a0220.21dd3.0038.GAE@google.com/ idr_for_each() is protected by rwsem, but this is not enough. If it is not protected by RCU read-critical region, when idr_for_each() calls radix_tree_node_free() through call_rcu() to free the radix_tree_node structure, the node will be freed immediately, and when reading the next node in radix_tree_for_each_slot(), the already freed memory may be read. Therefore, we need to add c

    linuxОперационные системы
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  18. CVE-2025-38211

    Критический · CVSS 9.8EPSS 0,41%Нет опубликованного исправления

    RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction

    In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplified cm_id resource management by freeing cm_id once all references to the cm_id were removed. The references are removed either upon completion of iw_cm event handlers or when the application destroys the cm_id. This commit introduced the use-after-free condition where cm_id_private object could still be in use by event handler works during the destruction of cm_id. The commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free re

    linuxОперационные системы
    Опубликовано Обновлено
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  19. CVE-2025-38207

    Средний · CVSS 5.5EPSS 0,21%Нет опубликованного исправления

    mm: fix uprobe pte be overwritten when expanding vma

    In the Linux kernel, the following vulnerability has been resolved: mm: fix uprobe pte be overwritten when expanding vma Patch series "Fix uprobe pte be overwritten when expanding vma". This patch (of 4): We encountered a BUG alert triggered by Syzkaller as follows: BUG: Bad rss-counter state mm:00000000b4a60fca type:MM_ANONPAGES val:1 And we can reproduce it with the following steps: 1. register uprobe on file at zero offset 2. mmap the file at zero offset: addr1 = mmap(NULL, 2 * 4096, PROT_NONE, MAP_PRIVATE, fd, 0); 3. mremap part of vma1 to new vma2: addr2 = mremap(addr1, 4096, 2 * 4096, MREMAP_MAYMOVE); 4. mremap back to or

    linuxОперационные системы
    Опубликовано Обновлено
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  20. CVE-2025-38204

    Высокий · CVSS 7.8EPSS 0,23%Нет опубликованного исправления

    jfs: fix array-index-out-of-bounds read in add_missing_indices

    In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds read in add_missing_indices stbl is s8 but it must contain offsets into slot which can go from 0 to 127. Added a bound check for that error and return -EIO if the check fails. Also make jfs_readdir return with error if add_missing_indices returns with an error.

    linuxОперационные системы
    Опубликовано Обновлено
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