Loading vulnerability…
CVE-2022-50865 is a signed integer overflow vulnerability in the Linux kernel TCP subsystem's tcp_add_backlog() function. The function calculates a backlog limit by adding the socket receive-buffer size, send-buffer size, and a 64 KB allowance. Because the relevant struct sock buffer fields and the calculated limit use signed int values, the sum can exceed INT_MAX and wrap. The correction reduces the budget by using half of the send-buffer contribution, reflecting that ACK packets are substantially smaller than payload packets.
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.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel TCP vulnerability involving a signed integer overflow in tcp_add_backlog().
A Linux kernel TCP vulnerability caused by a signed integer overflow in tcp_add_backlog().
A Linux kernel vulnerability involving a signed integer overflow in tcp_add_backlog().
A Linux kernel TCP signed integer overflow vulnerability in tcp_add_backlog().
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.