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Sicherheitslücken in linux-intel-iot-realtime · Seite 51

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

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  1. CVE-2026-93159

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    crypto: atmel-sha204a - fix heap info leak on I2C transfer failure

    In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - fix heap info leak on I2C transfer failure The nonblocking RNG path allocates a work_data structure to track the state of an in-flight asynchronous I2C request. This pointer is stored in rng->priv and later consumed by the read path once the transaction completes. If the underlying I2C transfer fails, the completion callback is invoked with a non-zero status. In this case, the allocated work_data is not usable for producing RNG output and must not remain associated with the hwrng state. Previously, the failure path only logged a warning but left th

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  2. CVE-2026-93158

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    crypto: sa2ul - stop probe if context pool creation fails

    In the Linux kernel, the following vulnerability has been resolved: crypto: sa2ul - stop probe if context pool creation fails sa_ul_probe() calls sa_init_mem() to create the DMA pool used for security context buffers, but ignores its return value. If pool creation fails, probe still continues with DMA setup, algorithm registration and child population even though later request setup depends on that pool. Stop probing when sa_init_mem() fails, and route that failure to the PM cleanup path without attempting to destroy an uncreated DMA pool.

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  3. CVE-2026-93155

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    crypto: keembay - Fix AEAD unregister count in error path

    In the Linux kernel, the following vulnerability has been resolved: crypto: keembay - Fix AEAD unregister count in error path register_aes_algs() registers the AEAD algorithms before registering the skcipher algorithms. If skcipher registration fails, the function unwinds the earlier AEAD registration with crypto_engine_unregister_aeads(), but it passes ARRAY_SIZE(algs), which is the skcipher table size. Use ARRAY_SIZE(algs_aead) for the AEAD unwind path so the unregister helper iterates over the same table that was registered. Also clarify the nearby comment: the crypto registration helpers clean up algorithms registered within the same

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  4. CVE-2026-93154

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

    RDMA/irdma: Add refcounting to user ring MRs

    In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Add refcounting to user ring MRs Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings by bumping the MR's refcount upon association.

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  5. CVE-2026-93151

    Hoch · CVSS 7.5EPSS 0,68%Keine Korrektur veröffentlicht

    nvmet-rdma: fix response resource leak on queue teardown

    In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: fix response resource leak on queue teardown When an nvme target with rdma transport is removed while I/Os are in flight, a response can be posted but its send completion is never delivered before the connection is torn down. As a result nvmet_rdma_send_done() and nvmet_rdma_release_rsp() are never called for the response, and this leaks the allocated RDMA read/write context and request SGLs. These leaks are recreated by running blktests nvme/061 with the rdma transport and the siw driver. Kernel kmemleak feature reports them as follows: unreferenced object

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  6. CVE-2026-93150

    Niedrig · CVSS 1.8EPSS 0,21%Keine Korrektur veröffentlicht

    cgroup/cpuset: Make nr_deadline_tasks an atomic_t

    In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Make nr_deadline_tasks an atomic_t The nr_deadline_tasks variable in the cpuset structure was introduced by commit 6c24849f5515 ("sched/cpuset: Keep track of SCHED_DEADLINE task in cpusets"). It is reported by sashiko [1] that nr_deadline_tasks can currently be modified by inc_dl_tasks_cs() under rq->lock and by cpuset_attach() under cpuset_mutex. So if both updates happen simultaneously, the nr_deadline_tasks variable can be corrupted leading to incorrect operations down the road. Fix that by changing its type to atomic_t so that nr_deadline_tasks are alway

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  7. CVE-2026-93149

    Mittel · CVSS 5.7EPSS 0,21%Keine Korrektur veröffentlicht

    wifi: mac80211_hwsim: avoid NULL skb in stop queue drain

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: avoid NULL skb in stop queue drain mac80211_hwsim_stop() drops any frames left in data->pending. The loop currently checks skb_queue_empty() and then dequeues separately. That split is racy with TX status handling, which can remove a pending frame under the queue lock. If the last entry is removed after the empty check, skb_dequeue() returns NULL and the stop path passes that NULL skb to ieee80211_free_txskb(). Use skb_dequeue() as the loop condition instead. The dequeue result is the object that stop owns and frees, and a concurrent status completio

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  8. CVE-2026-93146

    Niedrig · CVSS 0EPSS 0,21%Keine Korrektur veröffentlicht

    time/namespace: Validate nanosecond field in proc_timens_set_offset()

    In the Linux kernel, the following vulnerability has been resolved: time/namespace: Validate nanosecond field in proc_timens_set_offset() The function validates tv_sec to be within [-KTIME_SEC_MAX, KTIME_SEC_MAX] but never validates that tv_nsec is within the valid range of [0, NSEC_PER_SEC-1] before using it in timespec64_add(). timespec64_add() expects both timespec64 structures to have normalized values with tv_nsec in the range [0, 999999999]. If off->val.tv_nsec contains invalid values (negative or >= NSEC_PER_SEC), it could lead to incorrect calculations or unexpected behavior. Add validation to ensure tv_nsec is within the valid ra

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  9. CVE-2026-93145

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    clk: qcom: gdsc: tear down per-domain genpds in gdsc_unregister()

    In the Linux kernel, the following vulnerability has been resolved: clk: qcom: gdsc: tear down per-domain genpds in gdsc_unregister() gdsc_unregister() removes the OF provider entry and tears down the parent/subdomain wiring, but never calls pm_genpd_remove() on the individual generic_pm_domain structures registered by gdsc_init(): void gdsc_unregister(struct gdsc_desc *desc) { struct device *dev = desc->dev; size_t num = desc->num; gdsc_pm_subdomain_remove(desc, num); of_genpd_del_provider(dev->of_node); } That leaves dangling entries on the global gpd_list. After a provider unbind/rebind cycle (deferred-probe replay during e

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  10. CVE-2026-93142

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    thermal/drivers/rcar: Fix error checking in probe()

    In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/rcar: Fix error checking in probe() This code accidentally calls thermal_zone_device_enable() before checking whether thermal_zone_device_register_with_trips() failed. Move the call until later to avoid an error pointer dereference of "priv->zone". The driver works differently depending on if we are using OF thermal or not. We use thermal_add_hwmon_sysfs() if we are using OF thermal and call thermal_zone_device_enable() if not. We can share same error check for if either of these fail. Moving the thermal_zone_device_enable() call is a bit cleaner as wel

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  11. CVE-2026-93141

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    usb: gadget: r8a66597: avoid double free of ep0_req in probe error path

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: r8a66597: avoid double free of ep0_req in probe error path If usb_add_gadget_udc() fails, r8a66597_probe() jumps to err_add_udc and frees ep0_req, then falls through to clean_up2 where ep0_req is freed again when it is non-NULL. Remove the redundant free from err_add_udc and keep the cleanup in clean_up2 so the request is released exactly once. Issue found using a prototype static analysis tool and confirmed by code review.

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  12. CVE-2026-93140

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    udf: Mark LVID buffer as uptodate before marking it dirty

    In the Linux kernel, the following vulnerability has been resolved: udf: Mark LVID buffer as uptodate before marking it dirty When an I/O error occurs while writing the Logical Volume Integrity Descriptor (LVID) buffer to the block device, the block layer's completion handler (`end_buffer_write_sync()`) clears the `BH_Uptodate` flag on the buffer. However, the buffer still contains valid LVID data in memory. If the filesystem is subsequently remounted read-write or synced, `udf_open_lvid()` or `udf_sync_fs()` will modify the LVID buffer and call `mark_buffer_dirty()`. This triggers a spurious `WARN_ON_ONCE(!buffer_uptodate(bh))` warning in

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  13. CVE-2026-93138

    Hoch · CVSS 7.8EPSS 0,18%Keine Korrektur veröffentlicht

    bpf: Fix vmlinux BTF prep race in bpf_get_btf_vmlinux

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix vmlinux BTF prep race in bpf_get_btf_vmlinux bpf_get_btf_vmlinux() lazily parses the vmlinux BTF under the bpf_verifier_lock, but publishes the result through a plain store and re-checks it through a plain lockless load. Nothing orders the stores initializing the struct btf inside btf_parse_vmlinux() against the store publishing the pointer: On a weakly ordered arch, a concurrent first-time caller taking the lockless fast path could in principle observe the pointer before the parsed contents are visible. The mutex_unlock() does not help such a reader given it only

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  14. CVE-2026-93131

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    platform/x86: dell-privacy: Fix race condition

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-privacy: Fix race condition Accessing priv->features_present needs to happen with the list mutex being held, otherwise priv can be freed at any moment.

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  15. CVE-2026-93130

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    platform/x86: dell-wmi-base: Fix resource leak on module load failure

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-base: Fix resource leak on module load failure We need to properly clean up the SMBIOS request and the privacy driver when the module load fails.

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  16. CVE-2026-93128

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    platform/x86: lg-laptop: Fix LED resource handling

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: lg-laptop: Fix LED resource handling The event notification callback might access kbd_backlight even when it was not successfully registered with the LED subsystem. The same happens inside acpi_remove(), where the LED devices are unregistered unconditionally. Fix this by tracking the availability of the kbd_backlight LED device and use devm_led_classdev_register() to let devres take care of unregistering the LED devices during removal. For this the parent device of the LED devices is changed to the native platform device.

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  17. CVE-2026-93120

    Nicht bewertetEPSS 0,22%Keine Korrektur veröffentlicht

    usb: gadget: configfs: fix out-of-bounds read of qw_sign

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: fix out-of-bounds read of qw_sign os_desc_qw_sign_show() passes OS_STRING_QW_SIGN_LEN as the input length to utf16s_to_utf8s(), but that argument counts UTF-16 code units while OS_STRING_QW_SIGN_LEN (14) is the byte size of qw_sign[]. The array holds only OS_STRING_QW_SIGN_LEN / 2 (7) code units, so the conversion reads up to 7 units (14 bytes) past the end of qw_sign[] into the following members of struct gadget_info when the stored signature fills the array without a NUL terminator, exposing those bytes through the configfs attribute. The store pat

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  18. CVE-2026-93117

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    usb: fix UAF when probe runs concurrent to dyn ID removal

    In the Linux kernel, the following vulnerability has been resolved: usb: fix UAF when probe runs concurrent to dyn ID removal Dynamic IDs are only guaranteed to be valid when usb_dynids_lock is held, as remove_id_store can free the node. Thus, make a copy in usb_probe_interface. Clarify the documentation that the id parameter is only valid during the probe. USB serial has the same pattern, but it does not need fixing as the IDs cannot be removed via sysfs.

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  19. CVE-2026-93115

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    platform/mellanox: mlxbf-pmc: Check ACPI_COMPANION() against NULL

    In the Linux kernel, the following vulnerability has been resolved: platform/mellanox: mlxbf-pmc: Check ACPI_COMPANION() against NULL Every platform driver can be forced to match a device that doesn't match its list of device IDs because of device_match_driver_override(), so platform drivers that rely on the existence of a device's ACPI companion object need to verify its presence. mlxbf_pmc_probe() passes the result of ACPI_COMPANION() to acpi_device_hid(), which dereferences it, so force-binding the driver to a device without an ACPI companion leads to a NULL pointer dereference. Accordingly, add a requisite ACPI_COMPANION() check again

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  20. CVE-2026-93114

    Nicht bewertetEPSS 0,17%Keine Korrektur veröffentlicht

    platform/surface: acpi-notify: Check ACPI companion before use

    In the Linux kernel, the following vulnerability has been resolved: platform/surface: acpi-notify: Check ACPI companion before use Since every platform driver can be forced to match a device that doesn't match its list of device IDs because of device_match_driver_override(), platform drivers that rely on the existence of a device's ACPI companion object should verify its presence. san_probe() dereferences the result of ACPI_COMPANION() when installing the GSBUS address space handler, so force-binding the driver to a device without an ACPI companion leads to a NULL pointer dereference. The dereference was introduced when the probe function

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