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Sicherheitslücken in linux-intel-iot-realtime · Seite 55

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-intel-iot-realtime: 593. Davon im KEV-Katalog: 0.

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  1. CVE-2026-90431

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    remoteproc: Prevent crash handling to race with rproc_del()

    In the Linux kernel, the following vulnerability has been resolved: remoteproc: Prevent crash handling to race with rproc_del() There's no synchronization between rproc_crash_handler_work() and rproc_del(), as such it's possible for a driver to be removed while crash-handler work is scheduled, or even executing - resulting in use-after-free issues. To avoid this the scheduled work need to be cancelled and synchronized against before the removal proceeds. In order to ensure that this doesn't race with the reporting, and thereby scheduling new work, a "deleting" flag is introduced. This is similar to the RPROC_DELETE state that was introduc

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  2. CVE-2026-90421

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    PCI: Fix UAF when probe runs concurrent to dyn ID removal

    In the Linux kernel, the following vulnerability has been resolved: PCI: Fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when dynids.lock is held, as remove_id_store() can free the node. Thus, make a copy in pci_match_device(). Also, clarify that the id parameter is only valid during probe.

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  3. CVE-2026-90420

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    nilfs2: fix infinite loop in nilfs_clean_segments()

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix infinite loop in nilfs_clean_segments() syzbot reported a hung task in nilfs_transaction_begin(). This occurs because the cleaner ioctl falls into an infinite loop if nilfs_segctor_construct() repeatedly returns -EROFS (e.g. the device is remounted as read-only after an I/O error). Currently in nilfs_clean_segments(), if err is non-zero, it logs the error and sleeps but doesn't abort when it encounters a terminal error like -EROFS. This causes the thread to loop forever. Fix this by breaking out of the loop if nilfs_segctor_construct() returns -EROFS. This mat

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  4. CVE-2026-90419

    Hoch · CVSS 7.1EPSS 0,18%Keine Korrektur veröffentlicht

    nilfs2: prevent out-of-bounds read in super root block parsing

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent out-of-bounds read in super root block parsing super-root inode metadata size is trusted before nilfs_read_inode_common(). Reject super-root inode sizes whose computed on-disk footprint exceeds the filesystem block size. This prevents malformed filesystem images from making nilfs_read_inode_common() read past the end of the super-root block. [ryusuke: clarify the commit title]

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  5. CVE-2026-90418

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix BUG in nilfs_copy_dirty_pages() on dirty state mismatch Syzbot reported a kernel BUG triggered within nilfs_copy_dirty_pages(), which copies dirty DAT file folios/pages to its shadow page cache. The BUG occurs when a retrieved dirty folio/page unexpectedly loses its 'dirty' status. This issue arises because, since the commit referenced below, the 'dirty' flag of a folio/page can be cleared asynchronously after the filesystem detects metadata corruption and transitions to read-only mode. Resolve the issue by returning an -EROFS error if the filesystem has tran

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  6. CVE-2026-90417

    Hoch · CVSS 7.3EPSS 0,22%Keine Korrektur veröffentlicht

    RDMA/cxgb4: Fix dereg_skb leak and double free in write_tpt_entry()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix dereg_skb leak and double free in write_tpt_entry() When the device is in the fatal error state, write_tpt_entry() returns -EIO before handing the caller's preallocated skb to the transmit path; its allocation-failure returns do the same. c4iw_dereg_mr() ignores the error and frees mhp, leaking mhp->dereg_skb. c4iw_get_dma_mr() instead frees the skb a second time after dereg_mem() already consumed it, a double free. Make write_tpt_entry() the sole owner of a non-NULL skb, freeing it on every return preceding handoff to c4iw_ofld_send(): fatal error, tpt and

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  7. CVE-2026-90416

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs get_param() reads a congestion parameter as a u32 but formats it with the signed "%d" into an 11-byte stack buffer. A value with bit 31 set, such as 0x80000000, renders as "-2147483648\n" whose full length is 12. snprintf() stores only 11 bytes yet returns 12, so simple_read_from_buffer() treats 12 bytes as valid and reads one byte past lbuf[]. Size the buffer for the widest unsigned decimal, format with "%u" to match the u32, and use scnprintf() so the length passed to simple_read_from_buffer() reflects the byte

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  8. CVE-2026-90415

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    RDMA/cxgb4: free STAG index when TPT entry write fails

    In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: free STAG index when TPT entry write fails write_tpt_entry() allocates a new STAG index with c4iw_get_resource() and bumps stats.stag.cur before programming the entry. When write_adapter_mem() fails, it returns the error without releasing the index or reversing the statistic. No MR is inserted into rhp->mrs, so deregistration never reclaims it, leaking the index until device teardown. Record whether this call allocated the index and, on a failed write, return it to tpt_table and decrement stats.stag.cur. Key the rollback on both the write error and that flag

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  9. CVE-2026-90414

    Kritisch · CVSS 9.1EPSS 0,51%Keine Korrektur veröffentlicht

    IB/isert: reject PDUs declaring more data than was received

    In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject PDUs declaring more data than was received isert_recv_done() hands each received PDU to the opcode handlers without ever looking at wc->byte_len, the number of bytes the HCA actually placed in the receive descriptor. The handlers then copy that many bytes - the data-segment length the initiator declared in the BHS (ntoh24(hdr->dlength), via the derived unsol_data_len / imm_data_len) - out of the fixed-size descriptor: isert_handle_iscsi_dataout(): sg_copy_from_buffer(sg_start, sg_nents, isert_get_data(rx_desc), unsol_d

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  10. CVE-2026-90413

    Kritisch · CVSS 9.1EPSS 0,84%Keine Korrektur veröffentlicht

    IB/isert: reject login PDUs declaring more data than was received

    In the Linux kernel, the following vulnerability has been resolved: IB/isert: reject login PDUs declaring more data than was received isert_login_recv_done() records how many bytes the HCA actually placed in the login buffer, but nothing compares that against the length the login PDU's BHS declares. isert_rx_login_req() copies min(login_req_len, MAX_KEY_VALUE_PAIRS) bytes into login->req_buf, and the login code then reads the declared length back out of that buffer - for the first PDU in iscsi_target_locate_portal(), payload_length = ntoh24(login_req->dlength); tmpbuf = kmemdup_nul(login->req_buf, payload_length, GFP_KERNEL); and for t

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  11. CVE-2026-90411

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request

    In the Linux kernel, the following vulnerability has been resolved: nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request __nvme_fc_init_request() maps cmd_iu and then rsp_iu for DMA. If the rsp_iu mapping fails, the original code only recorded the error and fell through: it left the already-mapped cmd_iu unmapped and still marked the op as FCPOP_STATE_IDLE before returning. Since blk-mq does not call .exit_request() when .init_request() fails, the cmd_iu mapping is leaked for every op whose rsp_iu mapping fails. Jump to an error path on rsp_iu mapping failure that unmaps cmd_iu and returns the error without marking the op id

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  12. CVE-2026-90410

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    spi: davinci: switch to managed controller allocation

    In the Linux kernel, the following vulnerability has been resolved: spi: davinci: switch to managed controller allocation The controller is allocated with the non-managed spi_alloc_host() while the interrupt is registered with devm_request_threaded_irq(). During removal, spi_bitbang_stop() only unregisters the controller; the subsequent spi_controller_put() then frees the controller together with its embedded davinci_spi devdata, which is the IRQ handler's dev_id. The devm_request_threaded_irq() release action (free_irq()), which drains the handler, does not run until after .remove() returns. A late or latched interrupt can therefore reac

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  13. CVE-2026-90407

    Hoch · CVSS 7.7EPSS 0,18%Keine Korrektur veröffentlicht

    wifi: ath11k: fix overreads in ath11k_wmi_process_csa_switch_count_event()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix overreads in ath11k_wmi_process_csa_switch_count_event() There is no policy entry for WMI_TAG_PDEV_CSA_SWITCH_COUNT_STATUS_EVENT, so the parse infrastructure does not enforce a minimum length for the event struct. Additionally, the num_vdevs field is taken directly from firmware and used as a loop bound over the vdev_ids array without checking that it fits within the TLV payload. Either condition can cause an out-of-bounds read. Add a TLV policy entry for WMI_TAG_PDEV_CSA_SWITCH_COUNT_STATUS_EVENT so the parse infrastructure enforces a minimum length for

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  14. CVE-2026-90403

    Hoch · CVSS 7EPSS 0,15%Keine Korrektur veröffentlicht

    wifi: rtlwifi: pci: fix error path in rtl_pci_probe()

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: pci: fix error path in rtl_pci_probe() In the last error path in rtl_pci_probe(), the cleanup functions are skipped due to a wrong goto label. Moreover, the successful call to rtl_init_rfkill(), ieee80211_register_hw(), rtl_debug_add_one() have to be reverted. Fix this issue by updating the labels and adding the relevant cleanup functions to the last error path.

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  15. CVE-2026-90401

    Hoch · CVSS 7.1EPSS 0,17%Keine Korrektur veröffentlicht

    md: remove REQ_NOWAIT support from raid1/10/456

    In the Linux kernel, the following vulnerability has been resolved: md: remove REQ_NOWAIT support from raid1/10/456 REQ_NOWAIT support in md personalities that can block internally is fundamentally incomplete. While reads can avoid some blocking paths, write requests can still encounter cases where one mirror succeeds while another returns -EAGAIN. At that point md cannot distinguish queue pressure from a real device failure, so it can neither record a bad block nor safely retry the write without REQ_NOWAIT, leaving mirrors with divergent data. Rather than continue advertising REQ_NOWAIT support for personalities that cannot implement it c

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  16. CVE-2026-90398

    Hoch · CVSS 8.4EPSS 0,14%Keine Korrektur veröffentlicht

    wifi: ath11k: fix stride mismatch in mac_phy_caps_parse()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix stride mismatch in mac_phy_caps_parse() Currently, in ath11k_wmi_tlv_mac_phy_caps_parse(), kcalloc() sizes the mac_phy_caps buffer as tot_phy_id * len, where len is clamped to min(firmware_len, sizeof(struct wmi_mac_phy_capabilities)). The subsequent memcpy() destination advances by sizeof(full struct) per slot via C pointer arithmetic, not by the clamped len. When firmware sends short TLVs, the second and later slots are written past the end of the allocation. The reader in ath11k_pull_mac_phy_cap_svc_ready_ext() also indexes the buffer with full-struct

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  17. CVE-2026-90395

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    power: supply: isp1704_charger: cancel work on remove

    In the Linux kernel, the following vulnerability has been resolved: power: supply: isp1704_charger: cancel work on remove The USB notifier and initial VBUS detection can schedule isp->work. The remove path unregisters the notifier and power supply, but does not wait for queued or running work before tearing down the power supply state. Cancel the work after unregistering the notifier. Do this before unregistering the power supply. This issue was found by a static analysis tool.

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  18. CVE-2026-90394

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    power: supply: sc2731_charger: cancel work on remove

    In the Linux kernel, the following vulnerability has been resolved: power: supply: sc2731_charger: cancel work on remove The USB notifier and initial charger detection can schedule info->work. The remove path unregisters the notifier, but does not cancel queued or running work before the devm-allocated driver data is released. Set the platform drvdata used by remove, then cancel the work after unregistering the notifier. This issue was found by a static analysis tool.

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  19. CVE-2026-90393

    Nicht bewertetEPSS 0,23%Keine Korrektur veröffentlicht

    bpf: Fix potential UAF in bpf_netns_link_update_prog

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential UAF in bpf_netns_link_update_prog In bpf_netns_link_update_prog, the checks for old_prog and prog type are currently performed locklessly before acquiring netns_bpf_mutex. This creates a race condition that can lead to a UAF issue. If two threads concurrently execute BPF_LINK_UPDATE on the same netns link, the following execution path can trigger a UAF: CPU0 CPU1 bpf_netns_link_update_prog if (old_prog && old_prog != link->prog) return -EPERM; bpf_netns_link_upd

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  20. CVE-2026-90392

    Hoch · CVSS 7.8EPSS 0,17%Keine Korrektur veröffentlicht

    bpf: Fix potential UAF when reading bpf link info

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential UAF when reading bpf link info In bpf_link_show_fdinfo and bpf_link_get_info_by_fd, link->prog is accessed without holding any locks. If the prog is concurrently replaced via bpf_link_update, the old prog can be freed, leading to a potential UAF issue. Fix this by accessing link->prog under RCU protection to safely fetch the pointer and guarantee its lifetime while reading its fields.

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