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CVE-2024-49882 is a double-release vulnerability in the Linux kernel ext4 extent-tree handling code. In ext4_ext_try_to_merge_up(), a released extent-path buffer is not cleared from path[1].p_bh. In an error path involving extent splitting, tree-depth growth, and a subsequent extent-tree block read failure, cleanup can release the stale buffer reference a second time. The condition produces a kernel warning indicating an attempt to free an already freed buffer.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the referenced TuxCare CentOS 7 security update; no technical flaw details are provided.
A locally exploitable vulnerability affecting Unity Linux/UOS Server packages, requiring low privileges and rated for high confidentiality, integrity, and availability impact under the supplied CVSS v3 vector.
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.