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CVE-2022-50367 is an improper-initialization flaw in the Linux kernel NILFS filesystem metadata-inode destruction path. During inode allocation, inode_init_always() can fail with an out-of-memory error when security_inode_alloc() fails, leaving inode->i_private uninitialized. NILFS metadata-file detection can subsequently classify the inode as a metadata inode, causing nilfs_free_inode() to invoke nilfs_mdt_destroy(). That routine frees the uninitialized private pointer, resulting in a use-after-free condition or general protection fault. The upstream correction reorders security_inode_alloc() to occur immediately before incrementing the inode count, preventing the erroneous cleanup path.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free/general-protection-fault flaw in the Linux kernel NILFS filesystem teardown path.
A Linux kernel NILFS filesystem use-after-free/general-protection-fault issue in nilfs_mdt_destroy.
Linux kernel NILFS filesystem use-after-free/general-protection-fault bug in nilfs_mdt_destroy.
Linux kernel NILFS filesystem use-after-free/general-protection-fault bug in nilfs_mdt_destroy.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.