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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-gcp-fips: 439. Davon im KEV-Katalog: 0.

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  1. CVE-2026-43158

    Hoch · CVSS 8.8EPSS 0,47%Keine Korrektur veröffentlicht

    xfs: fix freemap adjustments when adding xattrs to leaf blocks

    In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code after ~20 minutes of running on my test VMs: ASSERT(ichdr->firstused >= ichdr->count * sizeof(xfs_attr_leaf_entry_t) + xfs_attr3_leaf_hdr_size(leaf)); Upon enabling quite a lot more debugging code, I narrowed this down to fsstress trying to set a local extended attribute with namelen=3 and valuelen=71. This results in an entry size of 80 bytes. At the start of xfs_attr3_leaf_add_work, the freemap looks like this: i

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  2. CVE-2026-43156

    Mittel · CVSS 5.5EPSS 0,12%Keine Korrektur veröffentlicht

    net: usb: pegasus: enable basic endpoint checking

    In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: enable basic endpoint checking pegasus_probe() fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usb_rcvbulkpipe(dev, 1) for RX data - usb_sndbulkpipe(dev, 2) for TX data - usb_rcvintpipe(dev, 3) for status interrupts A malformed USB device can present these endpoints with transfer types that differ from what the driver assumes. Add a pegasus_usb_ep enum for endpoint numbers, replacing magic constants throughout. Add usb_check_bulk_endpoints() and usb_check_int_endpoints() calls before any resource allocation

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  4. CVE-2026-43149

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()

    In the Linux kernel, the following vulnerability has been resolved: net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean() The priv->rx_buffer and priv->tx_buffer are alloc'd together as contiguous buffers in uhdlc_init() but freed as two buffers in uhdlc_memclean(). Change the cleanup to only call dma_free_coherent() once on the whole buffer.

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  5. CVE-2026-43141

    Hoch · CVSS 7.1EPSS 0,13%Keine Korrektur veröffentlicht

    ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut

    In the Linux kernel, the following vulnerability has been resolved: ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddown_pow_of_two will cause undefined behaviour and should not be performed. This patch ensures that rounddown_pow_of_two is called on valid value.

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  6. CVE-2026-43140

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    HID: magicmouse: Do not crash on missing msc->input

    In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: Do not crash on missing msc->input Fake USB devices can send their own report descriptors for which the input_mapping() hook does not get called. In this case, msc->input stays NULL, leading to a crash at a later time. Detect this condition in the input_configured() hook and reject the device. This is not supposed to happen with actual magic mouse devices, but can be provoked by imposing as a magic mouse USB device.

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  7. CVE-2026-43139

    Hoch · CVSS 8.6EPSS 0,38%Keine Korrektur veröffentlicht

    xfrm6: fix uninitialized saddr in xfrm6_get_saddr()

    In the Linux kernel, the following vulnerability has been resolved: xfrm6: fix uninitialized saddr in xfrm6_get_saddr() xfrm6_get_saddr() does not check the return value of ipv6_dev_get_saddr(). When ipv6_dev_get_saddr() fails to find a suitable source address (returns -EADDRNOTAVAIL), saddr->in6 is left uninitialized, but xfrm6_get_saddr() still returns 0 (success). This causes the caller xfrm_tmpl_resolve_one() to use the uninitialized address in xfrm_state_find(), triggering KMSAN warning: ===================================================== BUG: KMSAN: uninit-value in xfrm_state_find+0x2424/0xa940 xfrm_state_find+0x2424/0xa940 xfrm

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  8. CVE-2026-43136

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    HID: logitech-hidpp: Check maxfield in hidpp_get_report_length()

    In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Check maxfield in hidpp_get_report_length() Do not crash when a report has no fields. Fake USB gadgets can send their own HID report descriptors and can define report structures without valid fields. This can be used to crash the kernel over USB.

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  9. CVE-2026-43135

    Mittel · CVSS 5.5EPSS 0,12%Keine Korrektur veröffentlicht

    media: cx23885: Add missing unmap in snd_cx23885_hw_params()

    In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Add missing unmap in snd_cx23885_hw_params() In error path, add cx23885_alsa_dma_unmap() to release the resource acquired by cx23885_alsa_dma_map().

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  10. CVE-2026-43134

    Hoch · CVSS 8.1EPSS 0,12%Keine Korrektur veröffentlicht

    Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix missing key size check for L2CAP_LE_CONN_REQ This adds a check for encryption key size upon receiving L2CAP_LE_CONN_REQ which is required by L2CAP/LE/CFC/BV-15-C which expects L2CAP_CR_LE_BAD_KEY_SIZE.

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  11. CVE-2026-43132

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    dm-verity: correctly handle dm_bufio_client_create() failure

    In the Linux kernel, the following vulnerability has been resolved: dm-verity: correctly handle dm_bufio_client_create() failure If either of the calls to dm_bufio_client_create() in verity_fec_ctr() fails, then dm_bufio_client_destroy() is later called with an ERR_PTR() argument. That causes a crash. Fix this.

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  12. CVE-2026-43126

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

    ALSA: mixer: oss: Add card disconnect checkpoints

    In the Linux kernel, the following vulnerability has been resolved: ALSA: mixer: oss: Add card disconnect checkpoints ALSA OSS mixer layer calls the kcontrol ops rather individually, and pending calls might be not always caught at disconnecting the device. For avoiding the potential UAF scenarios, add sanity checks of the card disconnection at each entry point of OSS mixer accesses. The rwsem is taken just before that check, hence the rest context should be covered by that properly.

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  13. CVE-2026-43124

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    pstore: ram_core: fix incorrect success return when vmap() fails

    In the Linux kernel, the following vulnerability has been resolved: pstore: ram_core: fix incorrect success return when vmap() fails In persistent_ram_vmap(), vmap() may return NULL on failure. If offset is non-zero, adding offset_in_page(start) causes the function to return a non-NULL pointer even though the mapping failed. persistent_ram_buffer_map() therefore incorrectly returns success. Subsequent access to prz->buffer may dereference an invalid address and cause crashes. Add proper NULL checking for vmap() failures.

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  14. CVE-2026-43123

    Mittel · CVSS 5.5EPSS 0,13%Keine Korrektur veröffentlicht

    fbcon: check return value of con2fb_acquire_newinfo()

    In the Linux kernel, the following vulnerability has been resolved: fbcon: check return value of con2fb_acquire_newinfo() If fbcon_open() fails when called from con2fb_acquire_newinfo() then info->fbcon_par pointer remains NULL which is later dereferenced. Add check for return value of the function con2fb_acquire_newinfo() to avoid it. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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  15. CVE-2026-43118

    Mittel · CVSS 5.5EPSS 0,16%Keine Korrektur veröffentlicht

    btrfs: fix zero size inode with non-zero size after log replay

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix zero size inode with non-zero size after log replay When logging that an inode exists, as part of logging a new name or logging new dir entries for a directory, we always set the generation of the logged inode item to 0. This is to signal during log replay (in overwrite_item()), that we should not set the i_size since we only logged that an inode exists, so the i_size of the inode in the subvolume tree must be preserved (as when we log new names or that an inode exists, we don't log extents). This works fine except when we have already logged an inode in full mo

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  16. CVE-2026-43117

    Kritisch · CVSS 9.1EPSS 0,46%Keine Korrektur veröffentlicht

    btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() If overlay is used on top of btrfs, dentry->d_sb translates to overlay's super block and fsid assignment will lead to a crash. Use file_inode(file)->i_sb to always get btrfs_sb.

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  17. CVE-2026-43116

    Hoch · CVSS 7.8EPSS 0,1%Keine Korrektur veröffentlicht

    netfilter: ctnetlink: ensure safe access to master conntrack

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: ensure safe access to master conntrack Holding reference on the expectation is not sufficient, the master conntrack object can just go away, making exp->master invalid. To access exp->master safely: - Grab the nf_conntrack_expect_lock, this gets serialized with clean_from_lists() which also holds this lock when the master conntrack goes away. - Hold reference on master conntrack via nf_conntrack_find_get(). Not so easy since the master tuple to look up for the master conntrack is not available in the existing problematic paths. This patch g

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  18. CVE-2026-43115

    Mittel · CVSS 5.6EPSS 0,15%Keine Korrektur veröffentlicht

    srcu: Use irq_work to start GP in tiny SRCU

    In the Linux kernel, the following vulnerability has been resolved: srcu: Use irq_work to start GP in tiny SRCU Tiny SRCU's srcu_gp_start_if_needed() directly calls schedule_work(), which acquires the workqueue pool->lock. This causes a lockdep splat when call_srcu() is called with a scheduler lock held, due to: call_srcu() [holding pi_lock] srcu_gp_start_if_needed() schedule_work() -> pool->lock workqueue_init() / create_worker() [holding pool->lock] wake_up_process() -> try_to_wake_up() -> pi_lock Also add irq_work_sync() to cleanup_srcu_struct() to prevent a use-after-free if a queued irq_work fires after cleanup be

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  19. CVE-2026-43113

    Hoch · CVSS 8.8EPSS 0,24%Keine Korrektur veröffentlicht

    wifi: wl1251: validate packet IDs before indexing tx_frames

    In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing tx_frames wl1251_tx_packet_cb() uses the firmware completion ID directly to index the fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the completion block, and the callback does not currently verify that it fits the array before dereferencing it. Reject completion IDs that fall outside wl->tx_frames[] and keep the existing NULL check in the same guard. This keeps the fix local to the trust boundary and avoids touching the rest of the completion flow.

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  20. CVE-2026-43111

    Hoch · CVSS 7.8EPSS 0,1%Keine Korrektur veröffentlicht

    HID: roccat: fix use-after-free in roccat_report_event

    In the Linux kernel, the following vulnerability has been resolved: HID: roccat: fix use-after-free in roccat_report_event roccat_report_event() iterates over the device->readers list without holding the readers_lock. This allows a concurrent roccat_release() to remove and free a reader while it's still being accessed, leading to a use-after-free. Protect the readers list traversal with the readers_lock mutex.

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