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A vulnerability was found in Linux Kernel up to 6.18.21/6.19.11 and classified as critical. Affected is the function bnxt_hwrm_func_backing_store_qcaps_v2 of the component bnxt_en. Executing a manipulation can lead to improper validation of array index. This vulnerability is registered as CVE-2026-43034. The attack requires access to the local network. No exploit is available. It is suggested to upgrade the affected component.

A vulnerability has been found in Linux Kernel up to 6.18.21/6.19.11 and classified as critical. This impacts the function netdev_sent_queue. Performing a manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2026-43031. The attack must originate from the local network. There is no exploit available. The affected component should be upgraded.

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.19.11. This affects the function regsafe of the component bpf. Such manipulation leads to state issue. This vulnerability is listed as CVE-2026-43030. The attack must be carried out from within the local network. There is no available exploit. You should upgrade the affected component.

Name: CSCG 2026 (an CSCG event.)
Date: March 1, 2026, 5 p.m. — 01 May 2026, 16:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://play.cscg.live/
Rating weight: 0
Event organizers: NFITS

想起二十多年前约着一起出去玩的种种，很好。唯一遗憾的是，花有重开日、人无再少年。

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.18.21/6.19.11. The impacted element is the function mptcp_recvmsg of the component mptcp. This manipulation causes infinite loop. This vulnerability is tracked as CVE-2026-43029. The attack is only possible within the local network. No exploit exists. It is advisable to upgrade the affected component.

A vulnerability classified as critical was found in Linux Kernel up to 6.19.11. The affected element is the function nf_conntrack_helper_unregister of the component netfilter. The manipulation results in use after free. This vulnerability is identified as CVE-2026-43027. The attack can only be performed from the local network. There is not any exploit available. Upgrading the affected component is advised.

A vulnerability classified as critical has been found in Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11. Impacted is an unknown function of the component netfilter. The manipulation leads to out-of-bounds read. This vulnerability is referenced as CVE-2026-43025. The attack needs to be initiated within the local network. No exploit is available. It is recommended to upgrade the affected component.

A vulnerability described as critical has been identified in Linux Kernel up to 6.19.11. This issue affects the function hci_cmd_sync_queue_once of the component Bluetooth. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2026-43021. The attack needs to be done within the local network. There is no exploit available. Upgrading the affected component is recommended.

A vulnerability marked as critical has been reported in Linux Kernel up to 6.12.80/6.18.21/6.19.11. This vulnerability affects the function set_cig_params_sync of the component Bluetooth. Performing a manipulation results in use after free. This vulnerability was named CVE-2026-43019. The attack needs to be approached within the local network. There is no available exploit. It is suggested to upgrade the affected component.

A vulnerability labeled as critical has been found in Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11. This affects the function mesh_send of the component Bluetooth. Such manipulation of the argument adv_data[] leads to buffer overflow. This vulnerability is uniquely identified as CVE-2026-43017. The attack can only be initiated within the local network. No exploit exists. The affected component should be upgraded.

A vulnerability identified as critical has been detected in Linux Kernel up to 6.1.167/6.6.133/6.12.80/6.18.21/6.19.11. Affected by this issue is the function __mlx5_lag_dev_add_mdev. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2026-43013. The attack can only be done within the local network. There is not any exploit available. You should upgrade the affected component.

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.12.80/6.18.21/6.19.11. Affected by this vulnerability is an unknown functionality. The manipulation results in stack-based buffer overflow. This vulnerability is known as CVE-2026-43012. Access to the local network is required for this attack. No exploit is available. It is advisable to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.19.11. It has been rated as critical. Affected is the function x25_backlog_rcv. The manipulation leads to double free. This vulnerability is traded as CVE-2026-43011. Access to the local network is required for this attack to succeed. There is no exploit available. Upgrading the affected component is advised.

A vulnerability was found in Linux Kernel up to 6.18.21/6.19.11. It has been declared as critical. This impacts the function bpf_kprobe_multi_link_attach. Executing a manipulation can lead to privilege escalation. This vulnerability appears as CVE-2026-43010. The attacker needs to be present on the local network. There is no available exploit. It is recommended to upgrade the affected component.

美军新版《网络空间研发试验鉴定指南》（图解） by ourren

致安全工程师的一封信：长风既起，别故图新 by ourren

1DayNews: 聚合多源漏洞情报 by ourren

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A vulnerability was found in Linux Kernel up to 6.18.21/6.19.11. It has been classified as critical. This affects the function i2c_smbus_read_block_data of the component hwmon. Performing a manipulation results in out-of-bounds read. This vulnerability is reported as CVE-2026-43005. The attacker must have access to the local network to execute the attack. No exploit exists. Upgrading the affected component is recommended.

Пространство-время оказалось не тем, чем казалось.

HeartlessSoul 组织将其作为首要目标，本质是瞄准了地理数据的战略级价值，这些数据可直接转化为对关键基础设施的精确打击能力，威胁国家国土安全与经济命脉。

A new and well-planned malware campaign has been actively targeting enterprise administrators, DevOps engineers, and security analysts by hijacking their everyday search habits. Rather than using mass phishing or broad spam waves, threat actors behind this operation have carefully crafted a delivery chain that puts dangerous software directly in front of high-privilege IT professionals when […]

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