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Уязвимости linux-raspi · Страница 144

За последние 30 дней в linux-raspi опубликовано уязвимостей: 835; в каталоге KEV: 0.

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  1. CVE-2026-80899

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    erofs: remove fscache backend entirely

    In the Linux kernel, the following vulnerability has been resolved: erofs: remove fscache backend entirely EROFS over fscache was introduced to provide image lazy pulling functionality. After the feature landed, the fscache subsystem made netfs a new hard dependency, which is unexpected for a local filesystem and has an kernel-defined caching hierarchy which could be inflexible compared to the fanotify pre-content hooks. Therefore, this feature has been deprecated for almost two years. As EROFS file-backed mounts and fanotify pre-content hooks both upstream for a while and already providing equivalent functionality (erofs-utils has support

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  2. CVE-2026-80898

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    netfs: clear PG_private_2 on copy-to-cache append failure

    In the Linux kernel, the following vulnerability has been resolved: netfs: clear PG_private_2 on copy-to-cache append failure netfs_pgpriv2_copy_to_cache() marks the folio with PG_private_2 before netfs_pgpriv2_copy_folio() appends it to the copy-to-cache rolling buffer. If the append fails, the folio is not queued for cache writeback, so the PG_private_2 state and its reference must be released immediately.

    linux-raspiОперационные системы
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  3. CVE-2026-80897

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    netfs: release readahead folios on iterator preparation failure

    In the Linux kernel, the following vulnerability has been resolved: netfs: release readahead folios on iterator preparation failure netfs_prepare_read_iterator() batches readahead folios in put_batch so that the folio references can be dropped after the I/O iterator has been prepared. If rolling_buffer_load_from_ra() fails after earlier folios have been batched, the function returns immediately and leaves those references held. Release the batch before returning the error.

    linux-raspiОперационные системы
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  4. CVE-2026-80896

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    mshv: Fix race in mshv_irqfd_deassign

    In the Linux kernel, the following vulnerability has been resolved: mshv: Fix race in mshv_irqfd_deassign mshv_irqfd_deactivate() and the hlist traversal of pt_irqfds_list require pt->pt_irqfds_lock to be held, but mshv_irqfd_deassign() omits it. This races with the EPOLLHUP path in mshv_irqfd_wakeup(), which does take the lock before calling mshv_irqfd_deactivate(). Additionally, mshv_irqfd_deactivate() uses hlist_del() which poisons the node pointers rather than resetting them. Since mshv_irqfd_is_active() relies on hlist_unhashed() (checks pprev == NULL), a poisoned node still appears active. If a concurrent path calls mshv_irqfd_deacti

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  5. CVE-2026-80895

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    mshv: Order pt_vp_array publish against irqfd assertion path

    In the Linux kernel, the following vulnerability has been resolved: mshv: Order pt_vp_array publish against irqfd assertion path mshv_partition_ioctl_create_vp() initialises a VP struct (allocations, mutex_init, init_waitqueue_head, page mappings) and then publishes the pointer into partition->pt_vp_array. Several ISR paths read this array locklessly: the intercept ISR, the two scheduler ISRs, and mshv_try_assert_irq_fast() on the irqfd fast path. Of these, only mshv_try_assert_irq_fast() can structurally race the publish. It runs from an eventfd waker without holding pt_mutex, and MSHV_IRQFD does not require the target lapic_apic_id (==

    linux-raspiОперационные системы
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  6. CVE-2026-80894

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    iommufd: Fix wrong hwpt passed to iommufd_auto_response_faults on replace

    In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix wrong hwpt passed to iommufd_auto_response_faults on replace iommufd_hwpt_replace_device() calls: iommufd_auto_response_faults(hwpt, old_handle); passing the *new* hwpt together with the handle of the device's *old* domain. This should be a parameter mismatch: 1. Semantically, iommufd_auto_response_faults(x, handle) scans x->fault's deliver list and response xarray for groups matching "handle". A group is queued under the hwpt that was attached at fault-delivery time. old_handle is fetched *before* the domain switch, so its group lives on old->f

    linux-raspiОперационные системы
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  7. CVE-2026-80893

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork()

    In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix swap entry corruption when clearing uffd-wp at fork() copy_hugetlb_page_range() clears the uffd-wp bit of migration and hwpoison entries with huge_pte_clear_uffd_wp(), which operates on the present-PTE bit position. Swap entries keep the uffd-wp state elsewhere -- the migration branch reads and sets it with pte_swp_uffd_wp() and pte_swp_mkuffd_wp() -- and the present-PTE position falls into the swap payload. On x86-64 it lands in the inverted swap offset, where a naturally-aligned hugetlb PFN always has the affected bit set, so the clear advances the encod

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  8. CVE-2026-80892

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    erofs: cap LZMA stream pool size

    In the Linux kernel, the following vulnerability has been resolved: erofs: cap LZMA stream pool size fs/erofs/decompressor_lzma.c sizes the module-global MicroLZMA stream pool from num_possible_cpus() when the lzma_streams module parameter is unset, then z_erofs_load_lzma_config() preallocates one image-supplied dictionary per stream, accepting dictionaries up to 8 MiB. On high-CPU systems, a small EROFS image can pin hundreds of MiB of vmalloc-backed decoder state until the erofs module is unloaded. Impact: An EROFS image mounted by the system can pin up to 8 MiB of vmalloc memory per LZMA stream, either as intended or unexpectedly. Bou

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  9. CVE-2026-80891

    Высокий · CVSS 8.4EPSS 0,21%Нет опубликованного исправления

    KVM: s390: pci: Validate AIBV and AISB before pinning guest pages

    In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Validate AIBV and AISB before pinning guest pages The AIBV holds one bit per MSI-X vector for a given function. The size of the bit vector is derived from the NOI and the AIBVO. If the size of the AIBV exceeds a single page boundary, then reject the request as we cannot safely pin the guest AIBV. Similarly reject the request if the AISB address is not 8-byte aligned as the architecture requires doubleword alignment for the summary bit address. Since the AISBO can address up to 64 bits, the size of the AISB can only be 8 bytes for the function. This also ens

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  10. CVE-2026-80890

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    sctp: reject stale cookies with mismatched verification tags

    In the Linux kernel, the following vulnerability has been resolved: sctp: reject stale cookies with mismatched verification tags sctp_unpack_cookie() skips cookie expiration checks whenever an association already exists. This is broader than the exception in RFC 9260 Section 5.2.4. For an existing association, Section 5.2.4 permits an expired State Cookie only when both Verification Tags in the cookie match the current association. Otherwise, the packet SHOULD be discarded and a Stale Cookie ERROR MUST be sent. The broad check lets an expired Action A restart cookie reach sctp_sf_do_dupcook_a(). In a runtime test with the default 60 se

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  11. CVE-2026-80888

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    drm/vmwgfx: drop dma_buf reference on foreign-fd prime import

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: drop dma_buf reference on foreign-fd prime import ttm_prime_fd_to_handle() returns -ENOSYS when the imported fd's dma_buf->ops do not match the ttm_object_device's ops, but does so without releasing the reference acquired by dma_buf_get(). Any unprivileged renderD client passing a non-vmwgfx prime fd through the DRM_VMW_GB_SURFACE_REF{,_EXT} path leaks one dma_buf reference per call and indefinitely pins the foreign exporter's GEM resources. Funnel the error path through the existing dma_buf_put() so the reference is always dropped.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  12. CVE-2026-80887

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    drm/vmwgfx: use check_add_overflow for shader size+offset bound

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: use check_add_overflow for shader size+offset bound vmw_shader_define() validates the user-supplied shader window against its backing buffer with (u64)buffer->tbo.base.size < (u64)size + (u64)offset drm_vmw_shader_create_arg::offset is __u64 in the uapi; when it is near U64_MAX the unsigned addition wraps and the resulting tiny value passes the check. The unbounded offset is then stored in res->guest_memory_offset and forwarded to host SVGA shader-create commands. Use check_add_overflow() to detect the wrap and compare the resulting endpoint against the buf

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  13. CVE-2026-80886

    Без оценкиEPSS 0,22%Нет опубликованного исправления

    serial: msm: Disable DMA for kernel console UART

    In the Linux kernel, the following vulnerability has been resolved: serial: msm: Disable DMA for kernel console UART At the moment, concurrent writes from userspace and the kernel to the console can trigger a race condition that results in an infinite loop of the same messages printed over and over again. This is most likely to happen during system startup or shutdown when the init system starts/stops a large number of system services that interact with various kernel code. When userspace writes to the TTY device, the driver initiates an asynchronous DMA transfer and releases the port lock. At the same moment, the kernel printk path might

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  14. CVE-2026-80885

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    afs: Fix uncancelled rxrpc OOB message handler

    In the Linux kernel, the following vulnerability has been resolved: afs: Fix uncancelled rxrpc OOB message handler Fix AFS to cancel its OOB message processing (typically to respond to security challenges). Also move OOB message processing to afs_wq so that it's also waited for and make the OOB handler just return if the net namespace is no longer live.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  15. CVE-2026-80884

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    ntb: Store original DMA address for future release

    In the Linux kernel, the following vulnerability has been resolved: ntb: Store original DMA address for future release The DMA API requires that dma_free_attrs receive the exact dma_handle originally returned by the allocation function. Do not modify it.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  16. CVE-2026-80883

    Высокий · CVSS 7.3EPSS 0,16%Нет опубликованного исправления

    drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered

    In the Linux kernel, the following vulnerability has been resolved: drm/tegra: gr2d/gr3d: Initialize address register map before HOST1X client is registered The host1x_client_register() function is called just prior to register map initialization loop, making the device available to userspace. This may result in userspace attempting to submits a job before the register map is initialized. Address this by moving register initialization before host1x client registration.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  17. CVE-2026-80882

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    crypto: tegra - Return ENOMEM when input buffer allocation fails for ccm

    In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Return ENOMEM when input buffer allocation fails for ccm Ensure the ENOMEM error value is set when the input buffer allocation fails in tegra_ccm_do_one_req.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  18. CVE-2026-80881

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    ocfs2: fix buffer head management in ocfs2_read_blocks()

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2_read_blocks() In ocfs2_read_blocks(), caller should't assume that buffer head returned by 'sb_getblk()' is exclusively owned and so 'put_bh()' always drops b_count from 1 to 0. If it is not so, buffer head remains on hold and likely to be returned by the next call to 'sb_getblk()' unchanged - that is, with BH_Uptodate bit set even if it has failed validation previously, thus allowing to insert that buffer head into OCFS2 metadata cache and submit it to upper layers. To avoid such a scenario, BH_Uptodate should be cleared immediat

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  19. CVE-2026-80880

    Без оценкиEPSS 0,16%Нет опубликованного исправления

    IB/mlx5: Properly support implicit ODP rereg_mr

    In the Linux kernel, the following vulnerability has been resolved: IB/mlx5: Properly support implicit ODP rereg_mr Due to all the child mkeys in the implicit ODP configuration we cannot change anything in place for the parent mkey. Instead the whole thing needs to be rebuilt if any change is requested. If the user does not specify a translation then force the implicit values which will then fall through the logic into mlx5_ib_reg_user_mr() to allocate a completely new MR. Since implicit children were also touching the mr->pd, this removes another case where the access was racy.

    linux-raspiОперационные системы
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  20. CVE-2026-80879

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    ocfs2: fix circular locking dependency in ocfs2_dio_end_io_write

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix circular locking dependency in ocfs2_dio_end_io_write A circular locking dependency involves INODE_ALLOC_SYSTEM_INODE, EXTENT_ALLOC_SYSTEM_INODE, and ORPHAN_DIR_SYSTEM_INODE. 1. ocfs2_mknod() acquires INODE_ALLOC then EXTENT_ALLOC. 2. ocfs2_dio_end_io_write() acquires EXTENT_ALLOC for unwritten extents, then ORPHAN_DIR via ocfs2_del_inode_from_orphan() while still holding EXTENT_ALLOC. 3. ocfs2_wipe_inode() acquires ORPHAN_DIR then INODE_ALLOC via ocfs2_remove_inode. Break the cycle in ocfs2_dio_end_io_write() by freeing the allocation contexts (rele

    linux-raspiОперационные системы
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