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CVE-2022-1016 is an information-disclosure vulnerability in the Linux kernel Netfilter nftables implementation. Uninitialized stack registers in nft_do_chain() can be exposed during nftables chain evaluation, allowing kernel pointers to reach user mode. The upstream remediation initializes the relevant registers before use. Some descriptions characterize malformed handling of a return operation as a use-after-free-related condition; the documented and remediated security impact is kernel-pointer leakage caused by missing initialization.
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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.
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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.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel Netfilter nft_do_chain flaw that can leak kernel pointers through uninitialized stack registers.
A Linux kernel Netfilter nft_do_chain flaw in which uninitialized stack registers can leak kernel pointers to user mode.
An uninitialized-registers-on-stack flaw in the Linux kernel nft_do_chain function that can leak kernel pointers to user mode.
Linux kernel nftables information leak from uninitialized stack registers in nft_do_chain().
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.