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Уязвимости linux-raspi · Страница 137

За последние 30 дней в linux-raspi опубликовано уязвимостей: 790; в каталоге KEV: 0.

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  1. CVE-2026-74381

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    gpu: host1x: Allow entries in BO caches to be freed

    In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Allow entries in BO caches to be freed When a buffer object is pinned via host1x_bo_pin() with a cache, the resulting mapping is kept in the cache so it can be reused on subsequent pins. Each mapping held a reference to the underlying host1x_bo (taken in tegra_bo_pin / gather_bo_pin), so as long as a mapping was cached, the bo itself could not be freed. However, the only way to remove the cached mapping was through the free path of the buffer object. This meant that if a bo got cached, it could never get freed again. Resolve the circularity by holding a weak

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  2. CVE-2026-74380

    Высокий · CVSS 8.8EPSS 0,18%Нет опубликованного исправления

    gpu: host1x: Fix iommu_map_sgtable() return value check

    In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix iommu_map_sgtable() return value check Commit "iommu: return full error code from iommu_map_sg[_atomic]()" changed iommu_map_sgtable() to return an ssize_t and negative values in error cases, rather than a size_t and a zero. pin_job() also was incorrectly assigning to 'int', which could cause overflows into negative values. Update pin_job() to correctly check for errors from iommu_map_sgtable.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  3. CVE-2026-74379

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    dax/kmem: account for partial discontiguous resource upon removal

    In the Linux kernel, the following vulnerability has been resolved: dax/kmem: account for partial discontiguous resource upon removal When dev_dax_kmem_probe() partially succeeds (at least one range is mapped) but a subsequent range fails request_mem_region() or add_memory_driver_managed(), the probe silently continues, ultimately returning success, but with the corresponding range resource NULL'ed out. dev_dax_kmem_remove() iterates over all dax_device ranges regardless of if the underlying resource exists. When remove_memory() is called later, it returns 0 because the memory was never added which causes dev_dax_kmem_remove() to incorrec

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  4. CVE-2026-74378

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

    RDMA/rxe: Fix TOCTOU heap overflow in get_srq_wqe

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix TOCTOU heap overflow in get_srq_wqe get_srq_wqe() reads wqe->dma.num_sge from the shared receive queue buffer, which is mapped into userspace. It validates num_sge against max_sge, but then re-reads the same field to calculate the memcpy size. A concurrent userspace thread can modify num_sge between validation and use, causing a heap buffer overflow when copying the WQE into qp->resp.srq_wqe. Read num_sge into a local variable and use it for both the bounds check and the size calculation.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  5. CVE-2026-74377

    Высокий · CVSS 7.8EPSS 0,13%Нет опубликованного исправления

    RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path For non-SRQ QPs, the responder reads WQE fields directly from the shared queue buffer mapped into userspace. This allows a malicious user to modify fields like num_sge or sge entries while the kernel is processing the WQE, leading to out-of-bounds reads in rxe_resp_check_length() and copy_data(). Introduce get_recv_wqe() that validates num_sge and copies the WQE to a kernel-local buffer before processing, matching the approach already used for SRQ WQEs in get_srq_wqe(). The srq_wqe buffer is reused since SRQ and no

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  6. CVE-2026-74376

    Критический · CVSS 9.8EPSS 0,5%Нет опубликованного исправления

    md/raid10: reset read_slot when reusing r10bio for discard

    In the Linux kernel, the following vulnerability has been resolved: md/raid10: reset read_slot when reusing r10bio for discard put_all_bios() always drops devs[i].bio, but it only drops devs[i].repl_bio when r10_bio->read_slot < 0. If discard reuses an r10bio that was previously used for a read, read_slot can still be non-negative, and discard cleanup can skip bio_put() on repl_bio. Reset read_slot to -1 when preparing an r10bio for discard so the replacement bio is always released correctly.

    linux-raspiОперационные системы
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  7. CVE-2026-74375

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    md/raid1,raid10: fix deadlock in read error recovery path

    In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix deadlock in read error recovery path raid1d and raid10d may resubmit a split md cloned bio while handling a read error. In this case, resubmitting the bio can lead to a deadlock if the array is suspended before md_handle_request() acquires an active_io reference via percpu_ref_tryget_live(). Since the cloned bio already holds an active_io reference, trying to acquire another reference via percpu_ref_tryget_live() can lead to a deadlock while the array is suspended. Fix this by using percpu_ref_get() for md cloned bios.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  8. CVE-2026-74374

    Высокий · CVSS 7.5EPSS 0,63%Нет опубликованного исправления

    md/raid1,raid10: fix error-path detection with md_cloned_bio()

    In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix error-path detection with md_cloned_bio() Detect the error path using md_cloned_bio() instead of relying on r1_bio in raid1 or r10_bio->read_slot in raid10, which may be NULL or -1 after splitting and resubmitting a failed bio. As a result, the error path may not be recognized and memory allocations can incorrectly use GFP_NOIO instead of (GFP_NOIO | __GFP_HIGH), which can lead to a deadlock under memory pressure.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  9. CVE-2026-74373

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    md/raid1,raid10: fix bio accounting for split md cloned bios

    In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: fix bio accounting for split md cloned bios Use md_cloned_bio() to control bio accounting instead of relying on r1bio_existed in raid1 or the io_accounting flag in raid10. The previous logic does not reliably reflect whether a bio is an md cloned bio. When a failed bio is split and resubmitted via bio_submit_split_bioset() on the error path, this can lead to either double accounting for md cloned bios, or missing accounting for bios returned from bio_submit_split_bioset() Fix this by using md_cloned_bio() to detect md cloned bios and skip accounting accor

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  10. CVE-2026-74368

    Средний · CVSS 6.9EPSS 0,17%Нет опубликованного исправления

    wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix memory leak in ath12k_wifi7_dp_rx_h_verify_tkip_mic() In ath12k_wifi7_dp_rx_h_verify_tkip_mic(), the call to ath12k_dp_rx_check_nwifi_hdr_len_valid() may return false when the NWIFI header length is invalid, causing the function to abort early with -EINVAL. When this happens, the error propagates to ath12k_wifi7_dp_rx_h_defrag(), which clears first_frag by setting it to NULL. As a result, the corresponding MSDU is no longer referenced by the defragmentation path and is never freed. This leads to a memory leak for the affected MSDU on this error path. Pro

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  11. CVE-2026-74365

    Высокий · CVSS 7.3EPSS 0,13%Нет опубликованного исправления

    nvdimm/btt: Handle preemption in BTT lane acquisition

    In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Handle preemption in BTT lane acquisition BTT lanes serialize access to per-lane metadata and workspace state during BTT I/O. The btt-check unit test reports data mismatches during BTT writes due to a race in lane acquisition that can lead to silent data corruption. The existing lane model uses a spinlock together with a per-CPU recursion count. That recursion model stopped being valid after BTT lanes became preemptible: another task can run on the same CPU, observe a non-zero recursion count, bypass locking, and use the same lane concurrently. BTT lanes are a

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  12. CVE-2026-74363

    Высокий · CVSS 7.8EPSS 0,13%Нет опубликованного исправления

    bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs

    In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 ("bpf: Avoid RCU context warning when unpinning htab with internal structs") moved inode cleanup from ->free_inode() into ->destroy_inode() to avoid sleeping in RCU context when calling bpf_any_put(). However this removed the RCU delay on freeing the inode itself and the cached symlink body (i_link), both of which can be accessed by RCU pathwalk (pick_link, may_lookup etc.). This causes a use-after-free when a concurrent unlinkat() drops the last inode reference and destroy_inode() frees the i

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  13. CVE-2026-74362

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    ext2: fix ignored return value of generic_write_sync()

    In the Linux kernel, the following vulnerability has been resolved: ext2: fix ignored return value of generic_write_sync() Fix ext2_dio_write_iter() to propagate the error returned by generic_write_sync() instead of silently discarding it, which could cause write(2) to return success to userspace on O_SYNC/O_DSYNC files even when the sync failed. The correct pattern, already used in ext2_dax_write_iter() in the same file and in ext4, xfs, f2fs among others, is: if (ret > 0) ret = generic_write_sync(iocb, ret); Found by Linux Verification Center (linuxtesting.org) with SVACE. [JK: Reflect also filemap_write_and_wait() return v

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  14. CVE-2026-74359

    Высокий · CVSS 7.8EPSS 0,13%Нет опубликованного исправления

    configfs_lookup(): don't leave ->s_dentry dangling on failure

    In the Linux kernel, the following vulnerability has been resolved: configfs_lookup(): don't leave ->s_dentry dangling on failure Normally ->s_dentry is cleared when dentry it's pointing to becomes negative (on eviction, realistically). However, that only happens if dentry gets to be positive in the first place; in case of inode allocation failure dentry never becomes positive, so ->d_iput() is not called at all. We do part of what normally would've been done by configfs_d_iput() (dropping the reference to configfs_dirent) manually, but we do not clear ->s_dentry there. Sloppy as it is, it does not matter in case of configfs_create_{dir,

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  15. CVE-2026-74356

    Высокий · CVSS 7.4EPSS 0,25%Нет опубликованного исправления

    vhost: fix vhost_get_avail_idx for a non empty ring

    In the Linux kernel, the following vulnerability has been resolved: vhost: fix vhost_get_avail_idx for a non empty ring vhost_get_avail_idx is supposed to report whether it has updated vq->avail_idx. Instead, it returns whether all entries have been consumed, which is usually the same. But not always - in drivers/vhost/net.c and when mergeable buffers have been enabled, the driver checks whether the combined entries are big enough to store an incoming packet. If not, the driver re-enables notifications with available entries still in the ring. The incorrect return value from vhost_get_avail_idx propagates through vhost_enable_notify and cau

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  16. CVE-2026-74351

    Без оценкиEPSS 0,22%Нет опубликованного исправления

    ocfs2: rebase copied fsdlm LVB pointers in locking_state

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: rebase copied fsdlm LVB pointers in locking_state The locking_state debugfs iterator snapshots struct ocfs2_lock_res by value under ocfs2_dlm_tracking_lock and later formats that copy in ocfs2_dlm_seq_show(). That is fine for the inline fields, but the userspace fsdlm stack stores the LVB through lksb_fsdlm.sb_lvbptr. Once the iterator drops the tracking lock, a copied non-NULL sb_lvbptr still points into the original lockres owner, so teardown can free that container before the debugfs dump walks the raw LVB bytes. Rebase the copied sb_lvbptr to the copied l_lksb

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  17. CVE-2026-74350

    Критический · CVSS 9.8EPSS 0,48%Нет опубликованного исправления

    ocfs2: validate fast symlink target during inode read

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate fast symlink target during inode read ocfs2_validate_inode_block() already rejects several inconsistent self-contained dinodes before they are exposed to the rest of the filesystem. Fast symlinks need the same treatment. A zero-cluster symlink is treated as a fast symlink and later read through page_get_link() and ocfs2_fast_symlink_read_folio(). That path uses strnlen() on the inline payload and then copies len + 1 bytes into the folio. If a corrupt dinode stores an i_size that does not fit the inline area or omits the terminating NUL at i_size, that co

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  18. CVE-2026-74349

    Высокий · CVSS 7.1EPSS 0,13%Нет опубликованного исправления

    ocfs2: reject FITRIM ranges shorter than a cluster

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject FITRIM ranges shorter than a cluster ocfs2_trim_mainbm() trims the global bitmap in cluster units, but its too-short range validation only checks sb->s_blocksize. On filesystems with a cluster size larger than the block size, a FITRIM range that is at least one block but shorter than one cluster is accepted and shifted down to len == 0. The later start + len - 1 and len -= ... arithmetic then underflows and can drive trimming past the requested range. Reject ranges shorter than s_clustersize instead. That preserves the existing -EINVAL behavior for reques

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  19. CVE-2026-74348

    Без оценкиEPSS 0,22%Нет опубликованного исправления

    ocfs2/dlm: require a ref for locking_state debugfs open

    In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: require a ref for locking_state debugfs open debug_lockres_open() copies inode->i_private into struct debug_lockres and debug_lockres_release() later drops that pointer with dlm_put(). That only works if open successfully pins the struct dlm_ctxt. Today open calls dlm_grab(dlm) but ignores its return value. Once the last domain unregister has removed the context from dlm_domains, dlm_grab() returns NULL, yet open still stores the raw pointer and returns success. The later release path is outside the debugfs removal barrier, so it can call dlm_put() after dlm_

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  20. CVE-2026-74347

    Высокий · CVSS 7.8EPSS 0,13%Нет опубликованного исправления

    netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount

    In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount Add a refcount for struct nf_ct_timeout which is used by ct extension to set the custom ct timeout policy, this tells us that the ct timeout is being used by a conntrack entry. When the last conntrack entry drops the refcount on the ct timeout, the ct timeout is released. Remove the refcount for control plane which controls if the ruleset refers to the timeout policy. After this update, it is possible to remove the ct timeout policy from nfnetlink_cttimeout immediately. This is for simplicity not

    linux-raspiОперационные системы
    Опубликовано Обновлено
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