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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-lowlatency-hwe-6.2: 1054. Davon im KEV-Katalog: 0.

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  1. 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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  2. 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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  3. 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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  4. CVE-2026-93148

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

    bpf: Reject MEM_ALLOC BTF accesses past object bounds

    In the Linux kernel, the following vulnerability has been resolved: bpf: Reject MEM_ALLOC BTF accesses past object bounds BTF struct walks relax the struct-size check for accesses through a trailing flexible array. That is valid for ordinary BTF type walking, but PTR_TO_BTF_ID | MEM_ALLOC values point to objects allocated with the static BTF type size. When walking a MEM_ALLOC object, reject the access before applying the flexible-array relaxation if the access range extends past the struct size. Apply the same policy to struct ID matching so kfunc and kptr type checks do not walk past the allocated object bounds either.

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  5. CVE-2026-93147

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

    s390/bpf: Replace ly instruction with llgf

    In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Replace ly instruction with llgf cpu_nr is a 32 bit value and BPF_REG_0 is a 64 bit register, when ly loads the cpu_nr into BPF_REG_0 it does not zero the upper bits, but llgf does.

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  6. 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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  7. 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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  8. CVE-2026-93144

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

    bpf: Reject writes through untrusted BTF pointers

    In the Linux kernel, the following vulnerability has been resolved: bpf: Reject writes through untrusted BTF pointers check_ptr_to_btf_access() lets program-type btf_struct_access callbacks validate writes before the default BTF access path rejects non-read accesses. That bypasses the read-only policy for untrusted BTF pointers created by helpers such as bpf_rdonly_cast(). Reject non-read accesses through PTR_UNTRUSTED BTF pointers at the common entry point, before the callback branch to handle all cases.

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  9. CVE-2026-93143

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    staging: media: ipu7: fix pm_runtime refcount leak in ipu7_resume()

    In the Linux kernel, the following vulnerability has been resolved: staging: media: ipu7: fix pm_runtime refcount leak in ipu7_resume() ipu7_resume() calls pm_runtime_get_sync() before resuming the device. If the runtime PM resume fails, the usage count remains incremented, but the error path returns without dropping the reference. Use pm_runtime_resume_and_get() instead, which balances the usage count on failure and avoids the leak. Keep returning 0 on error, as resume callbacks should not propagate failures to the PM core, matching the behaviour of the ipu6 driver.

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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-2026-93139

    Nicht bewertetEPSS 0,2%Keine Korrektur veröffentlicht

    drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/mes: Fix hung_queue_db_array loop limit for multi-XCC The loop iterated only AMDGPU_MAX_MES_PIPES times, leaving entries uninitialized for multi-XCC GPUs. This causes null pointer dereferences when accessing arrays indexed by XCC ID >= 2. Extend the loop to cover all XCCs (AMDGPU_MAX_MES_PIPES * num_xcc), matching other per-XCC arrays.

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  14. 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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  15. CVE-2026-93137

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

    bpf: Fix use-after-free on mm_struct in bpf_find_vma()

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free on mm_struct in bpf_find_vma() bpf_find_vma() reads task->mm and calls mmap_read_trylock(mm) without holding a reference on the mm. On a foreign task, a concurrent exit_mm() can free the mm_struct between the lockless read and the trylock, resulting in a use-after-free. mm_struct is not SLAB_TYPESAFE_BY_RCU. For the current task, task->mm is stable. For a foreign task, pin the mm under task->alloc_lock and release it with mmput_async(), mirroring commit d8e27d2d22b6 ("bpf: fix mm lifecycle in open-coded task_vma iterator"). Use spin_trylock() instea

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  16. CVE-2026-93136

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation

    In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation mhi_ep_create_device() takes one device reference for the UL channel and another for the DL channel after allocating the transfer device. These references are normally released by mhi_ep_destroy_device() before the device itself is removed. If dev_set_name() or device_add() fails, the error path currently drops only one reference. The remaining channel references keep the device from being released and leave the channels associated with a device that was never registered. Route both failures t

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  17. CVE-2026-93135

    Nicht bewertetEPSS 0,2%Keine Korrektur veröffentlicht

    bpf: Reject programs with inlined helpers if JIT is not available

    In the Linux kernel, the following vulnerability has been resolved: bpf: Reject programs with inlined helpers if JIT is not available When an architecture (such as LoongArch, ARM64, and RISC-V) implements bpf_jit_inlines_helper_call(), the verifier skips rewriting the helper call offset (insn->imm) in bpf_do_misc_fixups(). This is because the helper is expected to be inlined by the JIT compiler later. Therefore, insn->imm remains as the raw helper enum ID. However, if JIT is disabled at runtime (net.core.bpf_jit_enable=0) or if JIT compilation fails dynamically (e.g., due to OOM), the program falls back to the BPF interpreter. When the in

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  18. CVE-2026-93134

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    printk: Fix possible console use-after-free

    In the Linux kernel, the following vulnerability has been resolved: printk: Fix possible console use-after-free When emitting a record via legacy printing, it is possible that a handover to another legacy printing context occurs. When a context has performed a handover, the console SRCU read lock is released and the pointer to the console struct might now be invalid. Therefore, after calling nbcon_legacy_emit_next_record() or console_emit_next_record(), it is necessary to check if a handover occurred _before_ further @con usage. Sashiko pointed out that console_flush_one_record() was not doing this. In console_flush_one_record(), after em

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  19. CVE-2026-93133

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep()

    In the Linux kernel, the following vulnerability has been resolved: ACPI: RISC-V: Check acpi_get_handle() status in riscv_acpi_add_prt_dep() In riscv_acpi_add_prt_dep(), the acpi_get_handle() call can fail which would leave link_handle uninitialized. Fix it by checking the acpi_get_handle() return status and skip the entry if it fails.

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  20. CVE-2026-93132

    Nicht bewertetEPSS 0,21%Keine Korrektur veröffentlicht

    ACPI: RISC-V: Fix riscv_acpi_add_prt_dep() loop handling

    In the Linux kernel, the following vulnerability has been resolved: ACPI: RISC-V: Fix riscv_acpi_add_prt_dep() loop handling The loop in riscv_acpi_add_prt_dep() includes error conditions that are handled in a dubious - if not outright wrong - way, by continuining the loop (which skips and misses the entry pointer update to point to the next entry). Rewrite the loop as a for loop (that handles the continuation correctly) and wrap the condition and update statements using helper functions to make it cleaner.

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