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本周，互联网网络安全态势整体评价为良。

Thank you to Ihar Yatsevich for writing in about his release of rpitx-ui, a modernized fork of F5OE

A vulnerability described as critical has been identified in Linux Kernel up to 6.19.8. This vulnerability affects the function usb_control_msg of the component USB. The manipulation results in missing initialization of a variable. This vulnerability was named CVE-2026-43428. The attack needs to be approached within the local network. There is no available exploit. Upgrading the affected component is recommended.

A vulnerability classified as critical has been found in Linux Kernel up to 6.19.8. Affected is the function usbhs_remove. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2026-43426. The attack can only be initiated within the local network. No exploit exists. It is recommended to upgrade the affected component.

A vulnerability classified as critical was found in Linux Kernel up to 6.19.8. Affected by this vulnerability is an unknown functionality of the component usb. The manipulation results in uninitialized pointer. This vulnerability was named CVE-2026-43430. The attack needs to be approached within the local network. There is no available exploit. Upgrading the affected component is advised.

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.19.8. Affected by this issue is the function xhci_disable_slot of the component usb. This manipulation causes memory leak. The identification of this vulnerability is CVE-2026-43432. The attack needs to be done within the local network. There is no exploit available. It is advisable to upgrade the affected component.

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.19.8. Affected by this vulnerability is the function wdm_read. Such manipulation leads to uninitialized pointer. This vulnerability is uniquely identified as CVE-2026-43427. The attack can only be initiated within the local network. No exploit exists. You should upgrade the affected component.

A vulnerability has been found in Linux Kernel up to 6.19.8 and classified as problematic. Affected by this issue is the function usb_bulk_msg_killable of the component Usbtmc Driver. Performing a manipulation results in privilege escalation. This vulnerability was named CVE-2026-43429. The attack needs to be approached within the local network. There is no available exploit. The affected component should be upgraded.

A vulnerability has been found in Linux Kernel up to 6.18.18/6.19.8 and classified as problematic. This issue affects the function nft_netdev_hook_alloc. The manipulation leads to privilege escalation. This vulnerability is uniquely identified as CVE-2026-43454. The attack can only be initiated within the local network. No exploit exists. The affected component should be upgraded.

A vulnerability was found in Linux Kernel up to 6.18.18/6.19.8. It has been classified as critical. The affected element is the function remove. This manipulation causes double free. The identification of this vulnerability is CVE-2026-43460. The attack needs to be done within the local network. There is no exploit available. Upgrading the affected component is recommended.

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.12.77/6.18.18/6.19.8. Impacted is the function bond_setup_by_slave of the file net/core/skbuff.c of the component Bonding Driver. The manipulation leads to type confusion. This vulnerability is traded as CVE-2026-43456. Access to the local network is required for this attack to succeed. There is no exploit available. It is advisable to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.19.8 and classified as critical. This affects an unknown part. Executing a manipulation can lead to null pointer dereference. The identification of this vulnerability is CVE-2026-43431. The attack needs to be done within the local network. There is no exploit available. It is suggested to upgrade the affected component.

May 21, 2026Thank you t

A vulnerability was found in Linux Kernel up to 6.19.8. It has been declared as critical. Affected by this vulnerability is the function bin2hex of the component hwmon. Such manipulation leads to buffer overflow. This vulnerability is documented as CVE-2026-43380. The attack requires being on the local network. There is not any exploit available. It is recommended to upgrade the affected component.

A vulnerability described as critical has been identified in Linux Kernel up to 6.19.8. This impacts the function mdc800_device_read of the component usb. Executing a manipulation can lead to unchecked return value. This vulnerability is handled as CVE-2026-43425. The attack can only be done within the local network. There is not any exploit available. Upgrading the affected component is recommended.

A vulnerability labeled as critical has been found in Linux Kernel up to 6.1.166/6.6.129/6.12.77/6.18.18/6.19.8. This affects the function smb2_open. The manipulation results in use after free. This vulnerability is reported as CVE-2026-43378. The attacker must have access to the local network to execute the attack. No exploit exists. The affected component should be upgraded.

A vulnerability identified as critical has been detected in Linux Kernel up to 6.19.8. Affected is the function bot_submit_command of the component USB Target Driver. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2026-43424. The attack must be carried out from within the local network. There is no available exploit. You should upgrade the affected component.

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 149. Affected by this issue is some unknown functionality. The manipulation results in memory corruption. This vulnerability was named CVE-2026-6785. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

A vulnerability categorized as problematic has been discovered in Mozilla Firefox up to 149. The impacted element is an unknown function of the component IP Protection. The manipulation results in information disclosure. This vulnerability is cataloged as CVE-2026-6782. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

A vulnerability categorized as critical has been discovered in Mozilla Firefox up to 149. Affected is an unknown function of the component Playback. Such manipulation leads to integer overflow. This vulnerability is listed as CVE-2026-6783. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.