Threats Tagged 'cve-2025-40271'
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Threats Tagged 'cve-2025-40271'
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In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through… (CVE-2025-40271)CVE-2025-40271 0 A use-after-free (UAF) vulnerability was identified and resolved in the Linux kernel's proc filesystem code, specifically in the proc_readdir_de() function. The issue occurs because a directory entry node (pde) is erased from a red-black tree but not properly cleared, leading to potential access of freed memory during directory traversal. This can happen when network devices are unregistered concurrently with directory reads under /proc, causing the kernel to access released memory. The vulnerability was discovered through stress testing and involves a race condition between directory iteration and device unregistration. Join the discussion | GCVE Database | 12/07/2025, 00:30:56 UTC Added: 07/30/2026, 15:50:45 UTC |
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