Loading vulnerability…
CVE-2023-6817 is a use-after-free vulnerability in the Linux kernel Netfilter nf_tables subsystem. The nft_pipapo_walk function fails to skip inactive PIPAPO set elements during a set walk. This can cause an element to be deactivated twice, leaving stale references to freed memory.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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.
If you can’t patch tonight, do this now.
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.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability involving inactive elements in the Linux kernel nftables PIPAPO set-walk implementation.
Linux kernel vulnerability in nftables pipapo set walking involving inactive elements.
Linux kernel vulnerability involving inactive elements in nft_pipapo_walk.
Linux kernel nft_pipapo_walk flaw involving inactive elements.
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.