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A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading…

高危 CVSS 7.8
CVECVE-2022-1055
首次发现2026-07-29 15:15 UTC
披露时间2022-03-29 15:15 UTC
最后更新2026-07-29 15:15 UTC
通道状态auto

摘要

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判 · 自动通道

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

受影响产品

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Lint 边界警告 (6)

以下是本次研判 lint 阶段发现的非阻塞性警告(如引用 URL 未在白名单内)。这些不影响漏洞条目可用性,仅为透明度披露(参 DR-002)。

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD