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A vulnerability was found in Linux Kernel up to 6.13.6. It has been classified as critical. Affected is the function slim_do_transfer of the component Transaction ID Handler. The manipulation leads to denial of service. This vulnerability is traded as CVE-2025-21914. The attack can only be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.12.18/6.13.6. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to deadlock. This vulnerability is known as CVE-2025-21911. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.13.6 and classified as critical. This issue affects the function __udp_gso_segment in the library /include/linux/skbuff.h. The manipulation leads to privilege escalation. The identification of this vulnerability is CVE-2025-21926. The attack can only be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Linux Kernel up to 5.15.178/6.1.130/6.6.82/6.12.18/6.13.6 and classified as problematic. This vulnerability affects unknown code of the component gpio. The manipulation leads to deserialization. This vulnerability was named CVE-2025-21912. The attack needs to be approached within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.13.6. This affects an unknown part of the component nl80211. The manipulation leads to state issue. This vulnerability is uniquely identified as CVE-2025-21909. Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.6.82/6.12.18/6.13.6. Affected by this issue is the function nfs_release_folio. The manipulation leads to deadlock. This vulnerability is handled as CVE-2025-21908. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as problematic was found in Linux Kernel up to 6.12.18/6.13.6. Affected by this vulnerability is the function iwl_mvm_roc_finished of the component iwlwifi. The manipulation leads to information disclosure. This vulnerability is known as CVE-2025-21906. The attack needs to be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as critical has been found in Linux Kernel up to 6.13.6. Affected is the function cfv_probe of the component caif_virtio. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2025-21904. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.12.17/6.13.5. It has been rated as critical. This issue affects some unknown processing of the component bnxt_re. The manipulation leads to null pointer dereference. The identification of this vulnerability is CVE-2025-21901. The attack can only be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.12.17/6.13.5. It has been declared as critical. This vulnerability affects the function close of the component NFSv4. The manipulation leads to deadlock. This vulnerability was named CVE-2025-21900. The attack can only be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.1.129/6.6.80/6.12.17/6.13.5. It has been classified as problematic. This affects the function event_trigger_write of the component tracing. The manipulation leads to incorrect regular expression. This vulnerability is uniquely identified as CVE-2025-21899. The attack needs to be approached within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.13.5 and classified as critical. Affected by this issue is the function function_stat_show of the component ftrace. The manipulation leads to divide by zero. This vulnerability is handled as CVE-2025-21898. Access to the local network is required for this attack to succeed. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Linux Kernel up to 6.12.17/6.13.5 and classified as critical. Affected by this vulnerability is the function pick_task_scx of the component sched_ext. The manipulation leads to deadlock. This vulnerability is known as CVE-2025-21897. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.6.80/6.12.17/6.13.5. Affected is the function perf_event_swap_task_ctx_data. The manipulation leads to excessive iteration. This vulnerability is traded as CVE-2025-21895. The attack needs to be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.12.18/6.13.6. This issue affects the function vma_modify of the component mm. The manipulation leads to allocation of resources. The identification of this vulnerability is CVE-2025-21932. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability classified as problematic was found in Linux Kernel up to 6.12.18/6.13.6. This vulnerability affects unknown code in the library /include/linux/swapops.h of the component memory_hotplug. The manipulation leads to state issue. This vulnerability was named CVE-2025-21931. The attack can only be initiated within the local network. There is no exploit available. It is recommended to upgrade the affected component.

Layer 7 DDoS attacks are stealthy, potent, and often more dangerous than massive traffic floods. Learn why these “baby rattlesnakes” are so hard to stop.

The post The Baby Rattlesnake of Cyberattacks: Why Layer 7 DDoS Can Be More Dangerous Than Larger Threats appeared first on Security Boulevard.

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