Threats Tagged 'ghsa-r4cc-8gxc-2cxh'
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Threats Tagged 'ghsa-r4cc-8gxc-2cxh'
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A use-after-free (UAF) vulnerability in the Linux kernel's may_decode_fh() function was resolved. The issue arises because may_decode_fh() accesses mount::mnt_ns without proper locking, allowing a race condition where the mount namespace can be freed concurrently. This race requires specific kernel configurations (CONFIG_PREEMPTION or CONFIG_RCU_STRICT_GRACE_PERIOD) and an RCU grace period during a syscall. The vulnerability could lead to leaking an integer comparison result, cause an endless loop, or crash the kernel by dereferencing invalid memory. Join the discussion | GCVE Database | 07/01/2026, 15:35:19 UTC Added: 07/04/2026, 22:34:27 UTC |
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