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CVE-2026-55392

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-06-18 18:00:12

Laatst bijgewerkt 2026-07-14 21:33:59

Toegewezen door VulnCheck

CVSS-score 6.7

Status PUBLISHED

Beschrijving

NILFS utilities through 2.3.0, fixed in commit 26efb5d, nilfs_sb_is_valid() function fails to validate s_log_block_size field in NILFS2 superblock before bit-shift operations. Attackers supplying crafted NILFS2 images trigger undefined behavior through oversized shifts or out-of-memory conditions, crashing tools like nilfs-tune and dumpseg.

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