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思科已修复 Unified Communications Manager 中的一个漏洞，该漏洞允许网络上未经过身份验证的攻击者向设备写入文件，并进而提权至 root。 该漏洞编号为 CVE-2026-20230，概念验证（PoC）利用代码已经公开。思科 PSIRT 表示尚未发现该漏洞被用于实际攻击，但公开的 PoC 无疑缩短了防御窗口期。 该漏洞属于服务器端请求伪造类型。Unified CM 及其...

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环境异常 当前环境异常，完成验证后即可继续访问。 去验证

WireGuard 深入：从内核协议到用户态实现的全景剖析目录1. 背景：为什么我重新看了一遍 WireGuard2. WireGuard 是什么——一句话定义3.

据多位知情人士透露，爱彼迎公司首席执行官布莱恩·切斯基正在创办一个新的 AI 实验室，这标志着他首次涉足全球AI竞赛。知情人士表示，切斯基计划创办一家人工智能企业来开发AI模型，并正在考虑专注于用户交

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环境异常 当前环境异常，完成验证后即可继续访问。 去验证

环境异常 当前环境异常，完成验证后即可继续访问。 去验证

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A vulnerability has been found in Linux Kernel up to 6.19.10 and classified as critical. This issue affects the function ext_caps. This manipulation causes privilege escalation. The identification of this vulnerability is CVE-2026-31460. The attack needs to be done within the local network. There is no exploit available. The affected component should be upgraded.

A vulnerability was found in Linux Kernel up to 6.18.20/6.19.10 and classified as critical. Impacted is the function damon_sysfs_new_test_ctx of the file mm/damon/sysfs. Such manipulation leads to memory leak. This vulnerability is referenced as CVE-2026-31459. The attack needs to be initiated within the local network. No exploit is available. It is suggested to upgrade the affected component.

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.18.20/6.19.10. This issue affects the function damon_sysfs_repeat_call_fn of the component DAMON Sysfs Interface. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2026-31457. The attack is only possible within the local network. No exploit exists. It is advisable to upgrade the affected component.

A vulnerability identified as critical has been detected in Linux Kernel up to 6.6.130/6.12.79/6.18.20/6.19.10. Impacted is the function damon_sysfs_handle_cmd. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2026-31458. 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, has been found in Linux Kernel up to 6.18.20/6.19.10. This affects the function walk_pud_range. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2026-31456. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

A vulnerability was found in Linux Kernel up to 6.19.10. It has been rated as critical. This vulnerability affects the function xfs_unmount_flush_inodes of the component xfs. Performing a manipulation results in use after free. This vulnerability is identified as CVE-2026-31455. The attack can only be performed from the local network. There is not any exploit available. Upgrading the affected component is advised.