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本文系《可信实验白皮书》系列的第六篇文章，上一篇我们介绍了准实验，然后重点介绍了双重差分法，包括概述、评估原理及美团的一些实践案例。本篇重点介绍了观察性研究，内容主要包括合成控制法、匹配方法、Causal Impact等几个方面。

美团信息安全技术团队核心服务升级JDK 17后，性能与稳定性大幅提升，机器成本降低了10%。高版本JDK与ZGC技术令人惊艳，且Java AI SDK最低支持JDK 17。本文总结了JDK 17的主要特性，然后重点分享了JDK 17+ZGC在安全领域的一些实践，希望能对大家有所帮助或启发。

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本文旨在对“Glass Cage”攻击行动进行详细的技术解构

“思维链劫持”是一种高阶的、针对AI“思考过程”本身的结构化攻击。

Chrom N-Day漏洞利用的工程化指南

更深入地理解Kerberos中继的威胁，并据此构建更为坚固的纵深防御体系

A vulnerability has been found in Linux Kernel and classified as problematic. Affected by this vulnerability is the function nft_osf_eval of the component nftables. The manipulation leads to information disclosure. This vulnerability is known as CVE-2022-42432. The attack can be launched remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability was found in Linux Kernel and classified as critical. This issue affects some unknown processing of the component BPF JIT Compiler. The manipulation leads to privilege escalation. The identification of this vulnerability is CVE-2021-29154. The attack may be initiated remotely. Furthermore, there is an exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 4.20.14. This issue affects the function cipso_v4_map_lvl_valid of the component netlabel. The manipulation leads to out-of-bounds read. The identification of this vulnerability is CVE-2019-25160. 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 was found in Linux Kernel up to 5.13.2. It has been rated as problematic. This issue affects some unknown processing of the file net/ipv6/output_core.c of the component IPv6 Handler. The manipulation leads to information disclosure. The identification of this vulnerability is CVE-2021-45485. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 5.11.15 and classified as problematic. Affected by this issue is the function div_u64 of the component Netfilter. The manipulation leads to denial of service. This vulnerability is handled as CVE-2021-46915. 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 critical has been found in Linux Kernel up to 5.14-rc6. This affects an unknown part of the component KVM. The manipulation of the argument int_ctl leads to missing authorization. This vulnerability is uniquely identified as CVE-2021-3653. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects an unknown part of the component ICMP Error Handler. The manipulation leads to insufficiently random values. This vulnerability is uniquely identified as CVE-2021-20322. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability, which was classified as problematic, was found in Linux Kernel. This affects the function io_file_bitmap_get of the file io_uring/filetable.c of the component io_uring Subsystem. The manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2023-1583. The attack needs to be approached locally. There is no exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability was found in Linux Kernel up to 6.5.8 and classified as critical. This issue affects some unknown processing of the file arch/x86/kernel/sev-shared.c. The manipulation leads to race condition. The identification of this vulnerability is CVE-2023-46813. An attack has to be approached locally. 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. Affected by this issue is the function iscsi_sw_tcp_session_create of the file drivers/scsi/iscsi_tcp.c of the component SCSI Sub-Component. The manipulation leads to use after free. This vulnerability is handled as CVE-2023-2162. The attack needs to be approached within the local network. There is no exploit available.

A vulnerability classified as critical was found in Linux Kernel up to 6.4.11. This vulnerability affects the function amdgpu_cs_wait_all_fences of the file drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c. The manipulation leads to use after free. This vulnerability was named CVE-2023-51042. 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 problematic, has been found in Linux Kernel. Affected by this issue is the function asus_kbd_backlight_set of the file drivers/hid/hid-asus.c of the component USB Device Handler. The manipulation of the argument led leads to use after free. This vulnerability is handled as CVE-2023-1079. It is possible to launch the attack on the physical device. There is no exploit available. It is recommended to apply a patch to fix this issue.

A vulnerability classified as problematic has been found in eTicket 1.5.6 Rc4. Affected is an unknown function of the file index.php. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2008-0552. It is possible to launch the attack remotely. Furthermore, there is an exploit available.