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Уязвимости linux-azure-edge · Страница 93

За последние 30 дней в linux-azure-edge опубликовано уязвимостей: 1109; в каталоге KEV: 0.

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  1. CVE-2026-93084

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    firmware: arm_scmi: Drop handle on protocol bind failures

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Drop handle on protocol bind failures The SCMI bus notifier acquires an SCMI handle when the driver core emits BUS_NOTIFY_BIND_DRIVER, before invoking the protocol driver probe callback. The protocol probe path only checks whether sdev->handle is set. If device_link_add() fails after the handle has been acquired, the protocol device can still bind with a valid handle but without the dependency link to the SCMI parent. A concurrent parent unbind can then miss the child and tear down the SCMI instance while the child still holds a handle into it. If the

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  2. CVE-2026-93083

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    firmware: arm_scmi: Unwind TX receiver mailbox setup failure

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Unwind TX receiver mailbox setup failure mailbox_chan_setup() can request an additional unidirectional TX receiver channel after successfully acquiring the primary channel. If that second request fails, the function returns immediately and leaves the primary channel allocated. Unwind the primary mailbox channel before returning the error so probe deferral or other setup failures do not leave the channel busy for later probe attempts.

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  3. CVE-2026-93082

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    firmware: arm_scmi: Unwind P2A receiver mailbox setup failure

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Unwind P2A receiver mailbox setup failure mailbox_chan_setup() can request an additional P2A receiver channel after successfully acquiring the primary P2A channel. If that later request fails, the function returns immediately and leaves the primary channel allocated. Unwind the primary mailbox channel before returning the error so probe deferral or other setup failures do not leave the channel busy for later probe attempts.

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  4. CVE-2026-93081

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    firmware: arm_scmi: Fix SCMI device destroy lifetimes

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix SCMI device destroy lifetimes scmi_child_dev_find() drops the reference returned by device_find_child() before returning the scmi_device pointer. A concurrent unregister can then release the device while the destroy path is still using the returned pointer. Make the lookup helper return the device_find_child() reference and keep it until scmi_device_destroy() has finished unregistering the child. Also split device_unregister() in __scmi_device_destroy() so the SCMI bus ID is not made reusable until after device_del() has removed the old scmi_dev.N

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  5. CVE-2026-93080

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    firmware: arm_scmi: Fix transport device teardown lookup

    In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix transport device teardown lookup SCMI transport devices are deliberately excluded from normal SCMI bus matching so protocol drivers cannot bind to the internal transport children. However, scmi_device_destroy() uses the same protocol/name lookup to find devices that must be unregistered during channel teardown. Split the match helper so driver matching still skips transport devices, while explicit child lookup can find them for teardown. Use a shared transport-device name prefix macro for both matching and name generation. Since transport-device na

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  6. CVE-2026-93079

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

    cxl/features: Reject Get Feature count larger than the output buffer

    In the Linux kernel, the following vulnerability has been resolved: cxl/features: Reject Get Feature count larger than the output buffer cxlctl_get_feature() sizes its output buffer from the user's fwctl_rpc.out_len, but the device is told to write cxl_mbox_get_feat_in.count bytes into rpc_out->payload, which is a separate user-controlled value. Nothing bounds count against out_len, so a small out_len with a large count overflows the kvzalloc()'d buffer. A heap OOB write reachable from FWCTL_RPC. Reject requests where count exceeds the available payload room, before allocating.

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  7. CVE-2026-93078

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    cxl/features: Reject Set Features output buffer smaller than the header

    In the Linux kernel, the following vulnerability has been resolved: cxl/features: Reject Set Features output buffer smaller than the header cxlctl_set_feature() sizes its output buffer from the user's fwctl_rpc.out_len but never checks it is large enough to hold even the fwctl_rpc_cxl_out header. With out_len == 0 , kvzalloc() returns ZERO_SIZE_PTR, which passes the !rpc_out check, the subsequent rpc_out->size = 0 then writes through the poison pointer. Reject requests whose output buffer can't hold the response header, before allocating. The Set Feature reply carries no payload, so the header is all that is required.

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  8. CVE-2026-93077

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    cxl/features: Clamp Get Feature output size to the remaining buffer

    In the Linux kernel, the following vulnerability has been resolved: cxl/features: Clamp Get Feature output size to the remaining buffer cxl_get_feature() reads a feature in a loop but passes a fixed size_out as the output capacity every iteration. On the last partial iteration the buffer has less room left, so a device that returns more than asked can overflow feat_out. Use the per-iter size data_to_rd_size, which already tracks the remaining room, as the output capacity.

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  9. CVE-2026-93076

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    dax/fsdev: clear vmemmap_shift when binding static pgmap

    In the Linux kernel, the following vulnerability has been resolved: dax/fsdev: clear vmemmap_shift when binding static pgmap Clear pgmap->vmemmap_shift for static DAX devices. When rebinding a static device from device_dax (which may set vmemmap_shift based on alignment) to fsdev_dax, the stale vmemmap_shift persists on the shared pgmap. Explicitly zero it before devm_memremap_pages() so the vmemmap is built for order-0 folios as fsdev requires.

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  10. CVE-2026-93075

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    dax/fsdev: clear pgmap ops and owner on unbind

    In the Linux kernel, the following vulnerability has been resolved: dax/fsdev: clear pgmap ops and owner on unbind fsdev_dax_probe() sets pgmap->ops = &fsdev_pagemap_ops and pgmap->owner = dev_dax, but nothing ever clears them. For a dynamic device the pgmap is devm-allocated and freed on unbind, so this is harmless. For a static device the pgmap is the shared, long-lived one owned by the dax bus (kill_dev_dax() only NULLs dev_dax->pgmap for the non-static case), and device.c's probe sets only pgmap->type, never clearing ops/owner. So after fsdev unbinds a static device the stale fsdev_pagemap_ops survives on the shared pgmap. If the devic

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  11. CVE-2026-93074

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

    dax/fsdev: use __va(phys) for kaddr in direct_access

    In the Linux kernel, the following vulnerability has been resolved: dax/fsdev: use __va(phys) for kaddr in direct_access Use __va(phys) instead of virt_addr + linear_offset for the kaddr return in __fsdev_dax_direct_access(). The previous code added a device-linear byte offset to virt_addr (which is __va of ranges[0]), but for multi-range devices with physical gaps between ranges, this linear arithmetic crosses the gap and produces a wrong kernel virtual address. Using __va(phys) where phys comes from dax_pgoff_to_phys() is correct for any range layout because the direct map translates each physical address independently. This leaves dev_d

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  12. CVE-2026-93073

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    dax: read holder_ops once in dax_holder_notify_failure()

    In the Linux kernel, the following vulnerability has been resolved: dax: read holder_ops once in dax_holder_notify_failure() dax_holder_notify_failure() reads dax_dev->holder_ops twice without READ_ONCE() -- once for the NULL check and once for the indirect notify_failure() call. A concurrent fs_put_dax() can clear holder_ops between the two reads, so the check can observe a non-NULL pointer while the call dereferences NULL. (kill_dax() also clears holder_ops, but only after synchronize_srcu(), so it cannot race a reader that is inside dax_read_lock(); fs_put_dax() does no such synchronization.) Fetch holder_ops once into a local with READ

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  13. CVE-2026-93072

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    irqchip/renesas-irqc: Fix generic interrupt chip leak on remove

    In the Linux kernel, the following vulnerability has been resolved: irqchip/renesas-irqc: Fix generic interrupt chip leak on remove The driver allocates domain generic chips probe. However, on driver removal, the generic chips are not automatically freed when the interrupt domain is removed because the domain flags do not include IRQ_DOMAIN_FLAG_DESTROY_GC. This causes both the domain generic chips structure and the associated generic chips to be leaked. Additionally, the generic chips remain on the global list and may later be accessed by generic interrupt chip suspend, resume, or shutdown callbacks after the driver has been removed, pote

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  14. CVE-2026-93071

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    media: bcm2835-unicam: Fix asc leaked in error/remove path

    In the Linux kernel, the following vulnerability has been resolved: media: bcm2835-unicam: Fix asc leaked in error/remove path v4l2_async_nf_add_fwnode_remote() allocates the asc, which is freed when v4l2_async_nf_cleanup() is called. Call v4l2_async_nf_cleanup() properly in the driver paths. Discovered with kmemleak after rmmod: unreferenced object 0xffff000084526b80 (size 64): comm "modprobe", pid 185, jiffies 4295013512 hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e8 0d ff bf 00 00 ff ff ................ 40 83 bc 84 00 00 ff ff 60 83 bc 84 00 00 ff ff @.......`....... backtrace (crc ac584083): [<00000000ffb08

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  15. CVE-2026-93070

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

    media: ipu6: Do not free aux device pdata after init

    In the Linux kernel, the following vulnerability has been resolved: media: ipu6: Do not free aux device pdata after init ipu6_bus_initialize_device() stores the isys/psys pdata pointer in struct ipu6_bus_device and initializes the auxiliary device. After that point, error unwinding must drop the auxiliary device reference and let ipu6_bus_release() free both the bus device and adev->pdata. The isys and psys init paths already call put_device() when MMU initialization fails, and ipu6_bus_add_device() calls auxiliary_device_uninit() on auxiliary_device_add() failure. Both paths therefore run the bus release callback. The extra kfree(pdata) i

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  16. CVE-2026-93069

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    OPP: Fix cleanup ordering

    In the Linux kernel, the following vulnerability has been resolved: OPP: Fix cleanup ordering Commit 173e02d67494 ("OPP: Initialize scope-based pointers inline") added initialization for all pointers. In some cases, the ordering was changed so that *opp_table was initialized after *opp. This also changes the order of the registered cleanup functions. When the cleanup happens, this can cause use-after-free errors when the last reference is released and the release function _opp_kref_release tries to access the already freed opp->opp_table. Initialize *opp_table before *opp again to fix this and ensure the correct cleanup order.

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  17. CVE-2026-93068

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    drm/amd/display: Fix DM I2C teardown race

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix DM I2C teardown race DM I2C adapters can remain visible to userspace while DM teardown is already in progress. A concurrent i2c-dev transfer may then enter amdgpu_dm_i2c_xfer() after the backing DM state has been torn down, leading to a NULL pointer dereference. Create a devres group around the DM I2C adapter lifetime and release it at the start of dm_hw_fini(), before HPD, IRQ, and DM state are torn down. This removes the I2C adapters first and waits for in-flight users to drain before the structures used by amdgpu_dm_i2c_xfer() disappear. This fixes

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  18. CVE-2026-93067

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    drm/bridge: tc358767: clamp the reported AUX read size to the request

    In the Linux kernel, the following vulnerability has been resolved: drm/bridge: tc358767: clamp the reported AUX read size to the request tc_aux_transfer() clamps an AUX read to the payload limit: size_t size = min_t(size_t, DP_AUX_MAX_PAYLOAD_BYTES - 1, msg->size); After the transfer it replaces size with the byte count the controller reports in AUX_BYTES: if (size) size = FIELD_GET(AUX_BYTES, auxstatus); AUX_BYTES is GENMASK(15, 8), so it can be up to 255. Nothing clamps it back to the request. tc_aux_read_data() reads that many bytes into the 16-byte auxrdata stack buffer, then copies them into the caller buffer. A reported count

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  19. CVE-2026-93066

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    x86/mm/pat: Take cpa_lock around large-page collapse

    In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Take cpa_lock around large-page collapse Loading and unloading modules concurrently on several CPUs on a KASAN build, with a short delay injected at the CPA page-table lookup to widen the window, faults within minutes: BUG: KASAN: use-after-free in __change_page_attr+0x7cc/0x7e0 Write of size 8 at addr ffff888181139718 by task modprobe ... The buggy address belongs to the physical page: pfn:0x181139 ... page_type: f2(table) cpa_collapse_large_pages() rebuilds a leaf PMD from its 4K PTEs and frees the old PTE-table pages, while __change_page_attr() f

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  20. CVE-2026-93065

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    wifi: iwlwifi: fix counter type in iwl_fwrt_dump_error_logs

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix counter type in iwl_fwrt_dump_error_logs The loop counter 'count' was declared as u8 while num_pc is u32. If firmware advertises more than 255 PC entries the counter wraps back to zero and the loop never terminates potentially causing an infinite loop or reading past the allocated pc_data array. Change the declaration to u32 to match num_pc.

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