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Уязвимости linux-raspi · Страница 131

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

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  1. CVE-2026-89586

    Высокий · CVSS 8.2EPSS 0,61%Нет опубликованного исправления

    ata: libata-scsi: fix DSM TRIM for sector sizes larger than 2048 bytes

    In the Linux kernel, the following vulnerability has been resolved: ata: libata-scsi: fix DSM TRIM for sector sizes larger than 2048 bytes ata_scsi_write_same_xlat() translates a SCSI WRITE SAME command with the UNMAP bit set into an ATA DATA SET MANAGEMENT TRIM command. The TRIM descriptor is built by ata_format_dsm_trim_descr() into the 2048-byte ata_scsi_rbuf staging buffer, and the number of bytes copied is compared against the logical sector size by the caller: size = ata_format_dsm_trim_descr(scmd, trmax, block, n_block); if (size != len) /* len == sdp->sector_size */ goto invalid_param_len; ata_format_dsm_trim_descr() clamps

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  2. CVE-2026-89585

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

    auxdisplay: charlcd: cancel backlight work on registration failure

    In the Linux kernel, the following vulnerability has been resolved: auxdisplay: charlcd: cancel backlight work on registration failure With CONFIG_CHARLCD_BL_FLASH, charlcd_init() schedules bl_work before charlcd_register() calls misc_register(). If registration fails, the caller frees the charlcd object while delayed work still contains its address. Add charlcd_deinit() to cancel the delayed work and turn the backlight off. Use it for both registration rollback and normal unregistration.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  3. CVE-2026-89584

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

    block: validate user space vectors during extraction

    In the Linux kernel, the following vulnerability has been resolved: block: validate user space vectors during extraction The bio-based drivers don't necessarily check the alignment split, and stacking block drivers don't always handle a misalignment detected after submitting the bio. Validate user vectors against the device's dma_alignment as the bio is built from the iov_iter, rejecting misaligned early with -EINVAL.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  4. CVE-2026-89583

    Высокий · CVSS 8.1EPSS 0,27%Нет опубликованного исправления

    Bluetooth: eir: Fix OOB read in eir_get_service_data()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix OOB read in eir_get_service_data() eir_get_service_data() walks the advertising data for a Service Data field with a matching UUID. On a mismatch it advances: eir += dlen; eir_len -= dlen; eir_get_data() reports dlen as the field's data length, but the field spans dlen + 2 bytes once its length and type bytes count, and more when non-Service-Data fields were skipped to reach it. The pointer lands correctly on the next field. eir_len does not, and the shortfall compounds across fields until eir_get_data() reads the length and type bytes of a

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  5. CVE-2026-89582

    Без оценкиEPSS 0,18%Нет опубликованного исправления

    bnx2x: fix double free in bnx2x_init_firmware() error path

    In the Linux kernel, the following vulnerability has been resolved: bnx2x: fix double free in bnx2x_init_firmware() error path bnx2x_init_firmware() frees bp->init_ops, bp->init_data and bp->init_ops_offsets in its error path without setting them to NULL. The cleanup function bnx2x_release_firmware() frees the same three pointers unconditionally, so if init_firmware fails and release_firmware is later called (e.g. from __bnx2x_remove or through the function state machine), all three are freed a second time. Set each pointer to NULL after kfree() in the error path so that the subsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-o

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  6. CVE-2026-89581

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

    bpf, x86: Fix per-CPU address resolution into an extended register

    In the Linux kernel, the following vulnerability has been resolved: bpf, x86: Fix per-CPU address resolution into an extended register The destination of the per-CPU address MOV is encoded in ModRM.reg, which is extended by REX.R, but the REX prefix is built with add_1mod(), which sets REX.B. REX.B extends ModRM.rm and SIB.base, and this instruction addresses memory as disp32 with no base, so the bit has no effect at all and the high register bit is simply lost. Every is_ereg() destination therefore resolves to the wrong register, picking whichever one shares the low three bits: R5 -> RAX R7 -> RBP R8 -> RSI R9 -> RDI With BPF

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  7. CVE-2026-89580

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

    bpf: Disable preemption in __bpf_get_stack

    In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in __bpf_get_stack get_perf_callchain() returns a per-CPU perf_callchain_entry buffer and releases its recursion slot via put_callchain_entry() before returning, so nothing keeps the entry reserved while __bpf_get_stack() consumes it below. A preemptible BPF program (e.g. a non-sleepable raw tracepoint program on a PREEMPT kernel, which runs under migrate_disable() but not preempt_disable()) can be scheduled out between obtaining the entry and the copy. Another task scheduled on the same CPU then reuses the same per-CPU buffer and overwrites trace->

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  8. CVE-2026-89579

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

    bpf: Harden bloom filter sizing and indexing on 32-bit kernels

    In the Linux kernel, the following vulnerability has been resolved: bpf: Harden bloom filter sizing and indexing on 32-bit kernels bloom_map_alloc() has two 32-bit-specific problems when the computed bitmap reaches the U32_MAX fallback case. First, BITS_TO_BYTES(U32_MAX) is evaluated with 32-bit arithmetic. The addition performed by DIV_ROUND_UP wraps, so the map allocates only the fixed-size bloom filter object while keeping bitset_mask == U32_MAX. Subsequent updates can then write past the allocated object. Second, fixing only the allocation size is not sufficient. The bloom hash is a u32, but set_bit() takes a signed long bit number an

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  9. CVE-2026-89578

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    dm-io: clone the source bio instead of copying its biovec

    In the Linux kernel, the following vulnerability has been resolved: dm-io: clone the source bio instead of copying its biovec For DM_IO_BIO requests, do_region() built each destination bio by walking the source bio's biovec and re-adding the pages one at a time, tracking the remaining transfer in sectors. The vector lengths are byte granular and need not be sector aligned (e.g. a misaligned O_DIRECT buffer split across pages), so the sector-based accounting could lose a sub-sector fragment: to_sector() truncated the remainder and the outer loop spun forever submitting empty bios, hanging the I/O. There is no need to rebuild the biovec at a

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  10. CVE-2026-89577

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    dm-io: report non-retryable errors separatedly

    In the Linux kernel, the following vulnerability has been resolved: dm-io: report non-retryable errors separatedly The error codes BLK_STS_NOTSUPP and BLK_STS_INVAL should not cause leg failure on dm-raid1. This patch changes the interface to dm-io, so that it reports two error bitmaps - error_bits and unsup_bits. The unsup_bit bitmap tracks BLK_STS_NOTSUPP or BLK_STS_INVAL errors, the error_bits bitmap tracks all the other errors. dm-raid1 is changed so that it won't fail a leg if it receives an error in the unsup_bits bitmap. This patch (with 62dc37a819a5) fixes misbehavior if the user uses unaligned bio vectors on dm-raid1.

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  11. CVE-2026-89576

    Без оценкиEPSS 0,22%Нет опубликованного исправления

    dm-era: fix shadowed superblock leak on take-snap failure

    In the Linux kernel, the following vulnerability has been resolved: dm-era: fix shadowed superblock leak on take-snap failure metadata_take_snap() bumps the live superblock refcount and then dm_tm_shadow_block() allocates a new block for the metadata snapshot. If the subsequent dm_sm_inc_block() of writeset_tree_root or era_array_root fails, the function only unlocks the clone and returns. The newly allocated shadow block is never returned to the metadata space map, so each failed take-snap permanently leaks one metadata block. Free the clone with dm_sm_dec_block() on those error paths, matching the final step of metadata_drop_snap().

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  12. CVE-2026-89575

    Без оценкиEPSS 0,23%Нет опубликованного исправления

    dm raid1: reserve space for NUL-terminator in build_constructor_string()

    In the Linux kernel, the following vulnerability has been resolved: dm raid1: reserve space for NUL-terminator in build_constructor_string() Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  13. CVE-2026-89574

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

    dm array: validate array block headers on read

    In the Linux kernel, the following vulnerability has been resolved: dm array: validate array block headers on read array_block_check() validates blocknr and csum and nothing else, while node_check(), next to it, has bounded the structural fields since both were written. dm_array_cursor_next() takes its loop bound from the on-disk nr_entries and element_at() is unguarded pointer arithmetic, so a count larger than the block holds keeps the cursor in one block while the index grows past it and the read walks off the dm-bufio buffer -- dm_cache_load_mappings() drives it once per cache block at activation. Check the header against itself: rejec

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  14. CVE-2026-89573

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

    dm array: reject an array block whose value size is not the caller's

    In the Linux kernel, the following vulnerability has been resolved: dm array: reject an array block whose value size is not the caller's array_block_check() can only compare the header against itself, so a block with value_size 4 and max_entries 1018 is internally consistent and passes. dm-cache keeps two arrays -- mappings at 8 bytes and hints at 4 -- and the roots for both live in the superblock. Point the mappings root at a hint block and __load_mappings() walks it through an info whose value size is 8, so element_at() strides 8 bytes over 4-byte entries and reaches offset 8160 of a 4096-byte block. get_ablock() and __shadow_ablock() ar

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  15. CVE-2026-89572

    Без оценкиEPSS 0,17%Нет опубликованного исправления

    cpufreq: apple-soc: Fix OPP table cleanup

    In the Linux kernel, the following vulnerability has been resolved: cpufreq: apple-soc: Fix OPP table cleanup apple_soc_cpufreq_init() adds OPP tables from firmware, but some failure paths do not remove them. The driver also uses dev_pm_opp_remove_all_dynamic(), which is not the right cleanup helper for OPP tables loaded from firmware. Use the cpumask OPP helper after the policy CPU mask has been populated. Pair it with the matching cpumask remove helper on failure paths and in apple_soc_cpufreq_exit(). This also removes the separate dev_pm_opp_set_sharing_cpus() call, as the cpumask helper loads the DT OPP tables for all CPUs in the polic

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  16. CVE-2026-89571

    Высокий · CVSS 7.1EPSS 0,16%Нет опубликованного исправления

    cxl/features: bound fwctl command payload to the input buffer

    In the Linux kernel, the following vulnerability has been resolved: cxl/features: bound fwctl command payload to the input buffer fwctl_cmd_rpc() copies cmd->in_len bytes into inbuf = kvzalloc(cmd->in_len) and passes inbuf and in_len to ->fw_rpc(). The CXL callback cxlctl_fw_rpc() ignores in_len and never checks the user-controlled op_size against it. cxlctl_set_feature() bounds op_size only from below (op_size <= sizeof(feat_in->hdr)) and then reads op_size - sizeof(hdr) bytes from feat_in->feat_data via cxl_set_feature(). With a small in_len and a large op_size the first memcpy() already reads past the kvzalloc(in_len) buffer; the out-of

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  17. CVE-2026-89570

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

    cxl/mce: Make the MCE notifier per-region

    In the Linux kernel, the following vulnerability has been resolved: cxl/mce: Make the MCE notifier per-region Flavien Solt reported lifetime issues with the CXL MCE notifier, which can lead to NULL dereferences and use-after-free in the MCE handler. The notifier was registered per memory device and stored in 'struct cxl_memdev_state', even though it only needs the region state (the region's SPA range and its extended linear cache size). Instead of keeping the memory device and endpoint alive, the correct fix is to move the notifier into 'struct cxl_region' and register it from cxl_region_probe() as it should be a per-region notifier. Setup

    linux-raspiОперационные системы
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  18. CVE-2026-89569

    Высокий · CVSS 8.8EPSS 0,34%Нет опубликованного исправления

    Bluetooth: RFCOMM: serialize security confirmation handling

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcomm_security_cfm() looks up a session on session_list and then walks its DLC list without holding rfcomm_mutex. Since RFCOMM session teardown uses rfcomm_mutex, krfcommd can close and free the same session and DLCs concurrently: hci_rx_work krfcommd ----------- --------- rfcomm_session_get() rfcomm_lock() rfcomm_session_close() rfcomm_dlc_unlink()

    linux-raspiОперационные системы
    Опубликовано Обновлено
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  19. CVE-2026-89568

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    kho: fix size calculation in kho_preserved_memory_reserve()

    In the Linux kernel, the following vulnerability has been resolved: kho: fix size calculation in kho_preserved_memory_reserve() kho_preserved_memory_reserve() calculates the size of a preservation by doing 1 << (order + PAGE_SHIFT). Since the '1' is a 32-bit integer, it can only be shifted by 31. That is, it will only work for preservations up to 2 GiB. Larger preservations will trigger undefined behaviour. While preservations larger than 2 GiB can't be obtained via folios currently, they can be obtained via kho_preserve_pages(). For example, memblock reserve_mem uses kho_preserve_pages(). Reservations larger than 2 GiB are valid and will

    linux-raspiОперационные системы
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  20. CVE-2026-89567

    Средний · CVSS 5.7EPSS 0,21%Нет опубликованного исправления

    jbd2: bound shrinker scans by examined checkpoint buffers

    In the Linux kernel, the following vulnerability has been resolved: jbd2: bound shrinker scans by examined checkpoint buffers The jbd2 shrinker currently accounts only checkpoint buffers that it successfully releases against nr_to_scan. Busy buffers therefore do not consume the scan budget. If a checkpoint transaction contains mostly busy buffers, the shrinker can scan its entire checkpoint list while holding journal->j_list_lock. Large checkpoint lists can result in excessive lock hold times and leave other CPUs spinning on j_list_lock, causing soft lockups or RCU stalls. Pass nr_to_scan into journal_shrink_one_cp_list() and decrement i

    linux-raspiОперационные системы
    Опубликовано Обновлено
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