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A critical vulnerability in the Linux kernel's f2fs filesystem was resolved by adding a sanity check in f2fs_alloc_nid() to detect potential corruption in the free_nid_list. The issue involved on-disk footer.ino and footer.nid being identical and out-of-range, which could lead to corrupted node IDs. This vulnerability has been addressed in the Linux kernel source code.

The Linux kernel contained a vulnerability in the f2fs filesystem where the on-disk footer inode number (footer.ino) and node ID (footer.nid) were the same and out-of-range, potentially causing corruption in the free_nid_list. The fix introduces a sanity check in the f2fs_alloc_nid() function to detect such corruption and prevent related issues. This vulnerability is tracked as CVE-2025-68315 and has a CVSS 3.1 base score vector indicating network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability.

Detailed information about In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As r

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported,… (CVE-2025-68315) - Live Threat Intelligence - Threat Radar | OffSeq.com

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported,… (CVE-2025-68315)

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In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.

Detailed information about UBUNTU-CVE-2025-68315 affecting null linux. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2025-68315 - Live Threat Intelligence - Threat Radar | OffSeq.com


In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported,… (CVE-2025-68315)CVE-2025-68315 0 A critical vulnerability in the Linux kernel's f2fs filesystem was resolved by adding a sanity check in f2fs_alloc_nid() to detect potential corruption in the free_nid_list. The issue involved on-disk footer.ino and footer.nid being identical and out-of-range, which could lead to corrupted node IDs. This vulnerability has been addressed in the Linux kernel source code. CriticalVulnerability#gcve #osv #ghsa-9w55-r5pp-5hfx Join the discussion	GCVE Database	12/16/2025, 18:31:34 UTC Added: 07/30/2026, 15:50:42 UTC
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported,… (CVE-2025-68315)CVE-2025-68315 0 In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list. MediumVulnerability#gcve #osv #ubuntu-cve-2025-68315 Join the discussion	GCVE Database	12/16/2025, 16:16:00 UTC Added: 07/18/2026, 11:33:05 UTC

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