Loading vulnerability…
CVE-2023-52628 is a four-byte stack out-of-bounds write in the Linux kernel netfilter nftables extended-header expression handling. When the extended-header length is an exact multiple of four bytes, the code writes a word at the index immediately following the destination register array while attempting to clear a partial-register remainder. The remainder-clearing operation is only needed when the length is not a multiple of the register size. The resulting invalid write can corrupt kernel stack memory. The flaw originated during the Linux 4.1 development cycle and was inherited by later TCP, SCTP, and IP-option extended-header support.
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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A 4-byte stack out-of-bounds write vulnerability in the Linux kernel Netfilter nftables exthdr handling.
A 4-byte stack out-of-bounds write vulnerability in the Linux kernel netfilter nftables exthdr functionality.
A Linux kernel Netfilter/nftables exthdr vulnerability involving a 4-byte stack out-of-bounds write.
A Linux kernel Netfilter nftables exthdr vulnerability involving a 4-byte out-of-bounds stack write.
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.