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CVE-2023-2513 is a use-after-free vulnerability in the Linux kernel's ext4 filesystem, specifically in the handling of extra inode size for extended attributes. Improper management of memory when processing extended attributes can result in a pointer being freed and subsequently used, leading to memory corruption.
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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.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel ext4 extended-attribute use-after-free in ext4_xattr_set_entry.
A use-after-free vulnerability in the Linux kernel ext4 filesystem's ext4_xattr_set_entry() function.
A use-after-free flaw in the Linux kernel ext4 extended-attribute handling function ext4_xattr_set_entry(). The Red Hat advisory supplies a fixed kernel update.
A use-after-free vulnerability in the Linux kernel ext4 extended-attribute handling function ext4_xattr_set_entry().
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.