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CVE-2022-1184 is a use-after-free vulnerability in the Linux kernel ext4 filesystem's directory-index insertion and splitting logic, in the dx_insert_block() code path. Processing a corrupted ext4 filesystem image during mount-time or normal filesystem operations can leave the kernel accessing freed memory. The flaw has been triggered through ext4 rename operations and produces KASAN-detected use-after-free reads.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel ext4 use-after-free and memory-error vulnerability triggered when mounting or operating on a corrupted filesystem image.
Linux kernel ext4 use-after-free and memory-corruption vulnerability when mounting or operating on a corrupted filesystem image.
Linux kernel ext4 use-after-free and memory-corruption vulnerability triggered by a corrupted filesystem image.
Linux kernel ext4 filesystem memory-safety vulnerabilities triggered by corrupted filesystem images.
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.