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In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owne…

高危 CVSS 7.8
CVECVE-2024-26640
首次发现2026-08-04 15:15 UTC
披露时间2024-03-18 11:15 UTC
最后更新2026-08-04 15:15 UTC
通道状态auto

摘要

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to can_map_frag() these additional checks: - Page must not be a compound one. - page->mapping must be NULL. This fixes the panic reported by ZhangPeng. syzbot was able to loopback packets built with sendfile(), mapping pages owned by an ext4 file to TCP rx zerocopy. r…

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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数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD