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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-raspi-realtime: 755. Davon im KEV-Katalog: 0.

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  1. CVE-2026-80973

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    ALSA: 6fire: bound the MIDI event length from the device

    In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: bound the MIDI event length from the device usb6fire_comm_receiver_handler() forwards a MIDI event using a length byte the device supplies, with no bound and no check that the transfer delivered that many bytes: if (!urb->status) { if (rt->receiver_buffer[0] == 0x10) /* midi in event */ if (midi_rt) midi_rt->in_received(midi_rt, rt->receiver_buffer + 2, rt->receiver_buffer[1]); } receiver_buffer is a 64-byte kzalloc() buffer (COMM_RECEIVER_BUFSIZE), so only 62 bytes follow the two-byte header. receiver_buffer[1] is a u8 the device choo

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  2. CVE-2026-80972

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ALSA: aloop: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Check card index validity at probe aloop driver blindly trusts that the given devptr->id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  3. CVE-2026-80971

    Hoch · CVSS 7.8EPSS 0,16%Keine Korrektur veröffentlicht

    ALSA: bcd2000: clear the URB pointers on disconnect

    In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: clear the URB pointers on disconnect bcd2000_free_usb_related_resources() frees both URBs and leaves the pointers behind: usb_kill_urb(bcd2k->midi_out_urb); usb_kill_urb(bcd2k->midi_in_urb); usb_free_urb(bcd2k->midi_out_urb); usb_free_urb(bcd2k->midi_in_urb); The rawmidi device outlives that call. A substream that is still open when the device is unplugged reaches bcd2000_midi_send() from the trigger path on close. That function writes to the freed URB and then hands it to the USB core: bcd2k->midi_out_urb->transfer_buffer_length = BUFSIZE; ... r

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  4. CVE-2026-80969

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    ALSA: mpu401: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: mpu401: Check card index validity at probe mpu401 driver blindly trusts that the given devptr->id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  5. CVE-2026-80968

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    ALSA: mts64: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: mts64: Check card index validity at probe Although mts64 driver has a check of the given devptr->id value, it doesn't check for a negative id, which is often given as "none" or such value when bound via sysfs. This may lead to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  6. CVE-2026-80967

    Hoch · CVSS 8.4EPSS 0,18%Keine Korrektur veröffentlicht

    ALSA: pcxhr: initialize mutexes before requesting threaded IRQ

    In the Linux kernel, the following vulnerability has been resolved: ALSA: pcxhr: initialize mutexes before requesting threaded IRQ pcxhr_probe() requests pcxhr_threaded_irq() before initializing mgr->lock, even though the threaded handler takes that mutex. Initialize the manager locks before request_threaded_irq() so an early interrupt cannot run against uninitialized mutex state during probe.

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  7. CVE-2026-80966

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    ALSA: portman2x4: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: portman2x4: Check card index validity at probe Although portman2x4 driver has a check of the given devptr->id value, it doesn't check for a negative id, which is often given as "none" or such value when bound via sysfs. This may lead to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  8. CVE-2026-80965

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    ALSA: serial-u16550: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: serial-u16550: Check card index validity at probe serial-u16550 driver blindly trusts that the given devptr->id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  9. CVE-2026-80964

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ALSA: virmidi: Check card index validity at probe

    In the Linux kernel, the following vulnerability has been resolved: ALSA: virmidi: Check card index validity at probe virmidi driver blindly trusts that the given devptr->id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time, but if the device is bound manually via sysfs interface, this could be -1 as "none", and this leads to OOB access for index[] and other parameters. Add a sanity check for the card index and warn/correct it if it's a value out of the range.

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  10. CVE-2026-80963

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    dm-stats: fix a crash if allocation of per-cpu data fails

    In the Linux kernel, the following vulnerability has been resolved: dm-stats: fix a crash if allocation of per-cpu data fails If "dm_kvzalloc(percpu_alloc_size, cpu_to_node(cpu))" fails, the code jumps to the "out" label and calls dm_stat_free. dm_stat_free does "for_each_possible_cpu(cpu) { dm_kvfree(s->stat_percpu[cpu][0].histogram, s->histogram_alloc_size);", which crashes with NULL pointer dereference if s->stat_percpu[cpu] is NULL. This commit fixes the bug by testing s->stat_percpu[cpu] for NULL before using it.

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  11. CVE-2026-80952

    Hoch · CVSS 7.8EPSS 0,13%Keine Korrektur veröffentlicht

    i3c: master: Fix info leak and UAF in device unregister path

    In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix info leak and UAF in device unregister path i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before calling device_unregister(). During device_unregister(), device_del() emits a KOBJ_REMOVE uevent and unbinds the driver while the device descriptor is still expected to be valid. As a result, i3c_device_uevent() and a racing modalias_show() can observe a NULL desc and fall back to an uninitialized stack struct i3c_device_info, leaking kernel stack contents in the generated modalias. Driver .remove() callbacks may also encounter an unexpected NULL

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  12. CVE-2026-80951

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    i3c: master: svc: bound IBI payload to the requested max_payload_len

    In the Linux kernel, the following vulnerability has been resolved: i3c: master: svc: bound IBI payload to the requested max_payload_len svc_i3c_master_handle_ibi() reads the IBI payload from the RX FIFO into the IBI slot. The loop is bounded by the hardware FIFO size (SVC_I3C_FIFO_SIZE), not by the slot size. slot->data points into the IBI pool, which i3c_generic_ibi_alloc_pool() sizes at max_payload_len per slot. svc_i3c_master_request_ibi() only rejects a max_payload_len larger than SVC_I3C_FIFO_SIZE, so a driver can request a smaller one. mctp-i3c requests 1. Each readsb() then copies the controller RXCOUNT bytes (up to 31) with no che

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  13. CVE-2026-80949

    Nicht bewertetEPSS 0,18%Keine Korrektur veröffentlicht

    wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()

    In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control() The memory allocated for buf is not freed in some of the error paths in brcmf_sdio_read_control(). Fix that by adding vfree() calls. [arend: rework as suggested by Johannes]

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  14. CVE-2026-80948

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start() In iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses the out_free_eeprom_blob label. Consequently, error paths triggered after successfully parsing the EEPROM free priv->nvm_data but leak priv->eeprom_blob. Fix this memory leak by reordering the error handling labels so that out_free_eeprom falls through to out_free_eeprom_blob. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under d

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  15. CVE-2026-80947

    Hoch · CVSS 7.8EPSS 0,16%Keine Korrektur veröffentlicht

    wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix use-after-free from rx_urb_wq on stop rtl8xxxu arms rx_urb_wq from the RX completion path: rtl8xxxu_rx_complete() hands the URB to rtl8xxxu_queue_rx_urb(), which queues it on rx_urb_pending_list and, once the list grows past RTL8XXXU_RX_URB_PENDING_WATER, schedules rx_urb_wq. The worker rtl8xxxu_rx_urb_work() drains rx_urb_pending_list, recovers priv through container_of, and resubmits each URB through rtl8xxxu_submit_rx_urb(), which anchors it on rx_anchor and dereferences priv->udev. rtl8xxxu_stop() cancels the sibling work items (c2hcmd_work, ra_wat

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  16. CVE-2026-80945

    Kritisch · CVSS 9.1EPSS 0,5%Keine Korrektur veröffentlicht

    crypto: iaa - unmap dst before software fallback on decompress

    In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - unmap dst before software fallback on decompress On a hardware analytics error, decompress retries through the software fallback, which writes req->dst with the CPU while it is still mapped DMA_FROM_DEVICE. With SWIOTLB active the later dma_unmap_sg() copies the stale bounce buffer over req->dst, corrupting the result. Unmap before the fallback runs. The async path unmaps inline; the sync path signals the retry with -EAGAIN so iaa_comp_adecompress() runs the fallback after unmapping.

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  17. CVE-2026-80944

    Hoch · CVSS 7.8EPSS 0,13%Keine Korrektur veröffentlicht

    wifi: mwifiex: Detach sync cmd buffer on interrupted wait

    In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Detach sync cmd buffer on interrupted wait mwifiex synchronous commands keep the caller-provided data buffer in cmd_node->data_buf. Several callers pass stack-allocated objects there. If wait_event_interruptible_timeout() is interrupted, the caller can return and release that stack object while the firmware command is still the current command. A late firmware response then reaches the normal response handler, which can copy data through cmd_node->data_buf into the stale stack address. This fixes a stack corruption observed during repeated association and d

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  18. CVE-2026-80941

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb() The skb passed to the rtw_hci_tx_write() is expected to be freed when the function fails, but the error path in rtw_txq_push_skb() does not free the skb before returning. This can lead to a memory leak in rtw_txq_push() where a dequeued skb is passed to rtw_txq_push_skb().

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  19. CVE-2026-80939

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    wifi: rtw89: pci: add .shutdown callback to stop rfkill polling on reboot

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: add .shutdown callback to stop rfkill polling on reboot Since the hardware rfkill polling was introduced, arm64 platforms can panic with an asynchronous SError during warm reboot: SError Interrupt on CPU8, code 0x00000000be000011 -- SError Workqueue: events_power_efficient rfkill_poll [rfkill] rtw89_pci_ops_read8+0x94/0x160 [rtw89_pci] rtw89_core_rfkill_poll+0x50/0x1e0 [rtw89_core] rtw89_ops_rfkill_poll+0x40/0x68 [rtw89_core] ieee80211_rfkill_poll+0x3c/0x70 [mac80211] cfg80211_rfkill_poll+0x40/0x2a0 [cfg80211] rfkill_poll+0x30/

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  20. CVE-2026-80938

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7615: avoid waiting for mac work under the mt76 mutex mt7615_suspend() acquired the mt76 mutex and then called cancel_delayed_work_sync() on mac_work. mt7615_mac_work() acquires the same mutex via mt7615_mutex_acquire() at the top of the worker, so if mac_work is already running and blocked on the mutex, the suspend path deadlocks waiting for the work it holds the mutex against. Flush scan_work and mac_work before taking the mutex, matching the suspend paths in mt7921 and mt7925. scan_work only takes the mt76 spinlock, but moving it keeps the sequence consi

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