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Sicherheitslücken in linux-azure-fips · Seite 35

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-azure-fips: 464. Davon im KEV-Katalog: 0.

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  1. CVE-2026-93830

    Hoch · CVSS 7.5EPSS 0,49%Keine Korrektur veröffentlicht

    net: stmmac: xgmac2: disable RBUE in default RX interrupt mask

    In the Linux kernel, the following vulnerability has been resolved: net: stmmac: xgmac2: disable RBUE in default RX interrupt mask Enabling the RX Buffer Unavailable (RBUE) interrupt is counterproductive and can trigger a MAC interrupt storm under heavy RX pressure. When the DMA runs out of RX descriptors it fires RBUE continuously until software refills the ring. However, RBUE is redundant: the normal RX completion interrupt (RIE) already triggers NAPI, which processes completed descriptors and refills the ring, causing the DMA to resume. The RBUE handler itself only sets handle_rx - the same outcome as RIE. On Agilex5 under heavy RX pre

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  2. CVE-2026-93829

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    smb: client: fix races in cifsd thread creation

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix races in cifsd thread creation The cifsd demultiplex thread can run and access tcp_ses before the parent thread has finished populating tcp_ses, which the worker thread accesses locklessly. Also, the kthread_run macro may start the thread before returning the thread pointer. Because the pointer is part of the structure that the thread can access, if the kernel is preempted after the thread is spawned, but before the thread pointer is populated and the thread attempts to exit, it will sleep, waiting for a SIGKILL signal. Fix this by moving creation of the

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  3. CVE-2026-93828

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

    exfat: fix handling of damaged volume in exfat_create_upcase_table()

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix handling of damaged volume in exfat_create_upcase_table() When the size of the upcase table is set to zero in the dentry for any reason(e.g. corrupted media or misbehaving device), an integer overflow causes the module to loop indefinitely. If the size of the upcase table is read zero, do not attempt to load the table. Instead, fallback to loading the default upcase table. If the size of the upcase table is zero or no upcase table is found, raise exfat_fs_error() to mark the volume read-only.

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  4. CVE-2026-93827

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

    virtio-fs: avoid double-free on failed queue setup

    In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtio_fs_setup_vqs() allocates fs->vqs and fs->mq_map before calling virtio_find_vqs(). If virtio_find_vqs() fails, the error path frees both pointers and returns an error to virtio_fs_probe(). virtio_fs_probe() then drops the last kobject reference, and virtio_fs_ktype_release() frees fs->vqs and fs->mq_map again. This leaves dangling pointers in struct virtio_fs and can trigger a double-free during probe failure cleanup. Set fs->vqs and fs->mq_map to NULL immediately after kfree() in the virtio_fs_setup_vqs() error pat

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  5. CVE-2026-93826

    Hoch · CVSS 7.5EPSS 0,23%Keine Korrektur veröffentlicht

    HID: hidpp: fix potential UAF in hidpp_connect_event()

    In the Linux kernel, the following vulnerability has been resolved: HID: hidpp: fix potential UAF in hidpp_connect_event() If input_register_device() fails, we call input_free_device(), but keep stale pointer to the old device in hidpp->input, which could potentially lead to UAF. Fix that by resetting it to NULL before returning from hidpp_connect_event().

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  6. CVE-2026-93825

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    spi: Add NULL check for spi_get_device_id() in spi_get_device_match_data()

    In the Linux kernel, the following vulnerability has been resolved: spi: Add NULL check for spi_get_device_id() in spi_get_device_match_data() Prevent NULL pointer dereference when spi_get_device_id() returns NULL, which can happen when using driver_override without matching SPI ID entry.

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  7. CVE-2026-93824

    Hoch · CVSS 8.4EPSS 0,17%Keine Korrektur veröffentlicht

    tls: reject the combination of TLS and sockmap

    In the Linux kernel, the following vulnerability has been resolved: tls: reject the combination of TLS and sockmap TLS and sockmap (BPF psock) integration hides a lot of latent bugs. Bugs which may be more or less relevant for real users but they are definitely exploitable. We could not find anyone actively using this integration so let's reject this config. Adding a TLS socket to a sockmap was already rejected by sk_psock_init() through the inet_csk_has_ulp() check. We need to reject the attempts to configure the TLS keys (rather than adding the ULP itself) because checking prior to the ULP installation is tricky without risking a race wi

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  8. CVE-2026-93823

    Mittel · CVSS 6.8EPSS 0,17%Keine Korrektur veröffentlicht

    drm/amdkfd: Let driver decide buffer size at AMDKFD_IOC_GET_DMABUF_INFO ioctl

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Let driver decide buffer size at AMDKFD_IOC_GET_DMABUF_INFO ioctl amdkfd driver needs allocate buffer to return bo metadata to user space. The buffer size is controlled by user currently. It is a potential security issue that hostile value (e.g. 2 GiB) lets any render-group user trigger order-MAX allocation/OOM in kernel context. This patch first finds bo metadata size. If the size is smaller than user provided value drive can safely allocate buffer in kernel space and copy to user space buffer. If not, driver will let user know, not allocate and copy. User wil

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  9. CVE-2026-93822

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    PCI: iproc: Protect root bus removal with rescan lock

    In the Linux kernel, the following vulnerability has been resolved: PCI: iproc: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

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  10. CVE-2026-93821

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    PCI: altera: Protect root bus removal with rescan lock

    In the Linux kernel, the following vulnerability has been resolved: PCI: altera: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

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  11. CVE-2026-93820

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    PCI: rockchip: Protect root bus removal with rescan lock

    In the Linux kernel, the following vulnerability has been resolved: PCI: rockchip: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

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  12. CVE-2026-93819

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    PCI: mediatek: Protect root bus removal with rescan lock

    In the Linux kernel, the following vulnerability has been resolved: PCI: mediatek: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

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  13. CVE-2026-93818

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    PCI: plda: Protect root bus removal with rescan lock

    In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

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  15. CVE-2026-93816

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

    f2fs: validate inline dentry name lengths before conversion

    In the Linux kernel, the following vulnerability has been resolved: f2fs: validate inline dentry name lengths before conversion Inline dentry conversion copies names out of the inline dentry area before checking that each recorded name length fits in the available filename slots. A corrupted image can therefore make the conversion path read past the inline filename storage while building the regular dentry block. Validate each inline dentry name length against the inline filename area before copying it.

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  16. CVE-2026-93815

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    net: au1000: move free_irq out of the close-time spinlocked section

    In the Linux kernel, the following vulnerability has been resolved: net: au1000: move free_irq out of the close-time spinlocked section au1000_close() calls free_irq() while aup->lock is still held with spin_lock_irqsave(). free_irq() can sleep because it takes the IRQ descriptor request mutex, so it does not belong inside the close-time spinlocked section. This was found by our static analysis tool and then confirmed by manual review of the in-tree au1000_close() .ndo_stop path. The reviewed path keeps aup->lock held across the MAC reset, queue stop and free_irq(dev->irq, dev). A directed runtime validation kept that ndo_stop carrier and

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  17. CVE-2026-93814

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    spi: core: Abort active target transfer on controller suspend

    In the Linux kernel, the following vulnerability has been resolved: spi: core: Abort active target transfer on controller suspend When an SPI controller operating in target mode has a transfer in progress at the time of system suspend, the suspend path proceeds without aborting the ongoing transfer. This can leave the hardware in an inconsistent state, potentially causing the system to hang or fail to resume cleanly. Fix this by invoking the controller's target_abort callback from spi_controller_suspend() when the controller is in target mode and the callback is registered. This ensures any active target transfer is cleanly terminated befo

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  18. CVE-2026-93813

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

    btrfs: tree-checker: validate INODE_REF's namelen

    In the Linux kernel, the following vulnerability has been resolved: btrfs: tree-checker: validate INODE_REF's namelen [BUG] A crafted btrfs image can trigger the following crash: BUG: unable to handle page fault for address: ffffd1dc42884000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page CPU: 9 UID: 0 PID: 1034 Comm: poc Not tainted 7.1.0-rc4-custom+ #383 PREEMPT(full) 46af0a92938a63be7132e0dfd71e62327c51d5c2 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 02/02/2022 RIP: 0010:memcpy+0xc/0x10 Call Trace: <TASK> read_extent_buffer+0xe4/0x100 [btrfs 3cf0785dd58fec8

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  19. CVE-2026-93812

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix sd_ndr.data memory leak in ksmbd_vfs_set_sd_xattr ndr_encode_v4_ntacl() allocates sd_ndr.data via kzalloc() at entry. If any subsequent ndr_write_*() call returns error during encoding, the allocated sd_ndr.data won't be freed and causes memory leak. Move kfree(sd_ndr.data) into out label to ensure the buffer gets released on all success and error return paths.

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  20. CVE-2026-93811

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix acl.sd_buf memory leak and invalid sd_size error handling 1. When ndr_decode_v4_ntacl() fails, the code jumped to free_n_data which only freed n.data, skipping kfree(acl.sd_buf) and leaking the buffer. Zero-initialize struct xattr_ntacl acl, reorder error labels to out_free to release acl.sd_buf on all error paths. 2. if (acl.sd_size < sizeof(struct smb_ntsd)) is true, original code returned success without freeing sd_buf and left stale *pntsd. Set rc = -EINVAL before jumping to out_free to return error code and free buffer.

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