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CVE-2025-22058 is an integer-overflow flaw in Linux kernel UDP receive-memory accounting. During UDP socket destruction, udp_destruct_common() totals queued skb truesize values in an unsigned variable and passes that total to udp_rmem_release(), whose affected interface uses a signed integer. A receive-queue total exceeding the signed integer range is converted to a negative value, corrupting sk_forward_alloc and UDP global memory accounting. The accounting error can persist after the socket is closed and may become more pronounced when deferred per-CPU accounting is drained by subsequent UDP activity.
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What an attacker gets, and what they’ve been doing with it.
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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.
16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel UDP memory accounting leak.
A Linux kernel UDP memory-accounting leak addressed by the Red Hat Enterprise Linux 10 kernel security update.
Linux kernel UDP memory-accounting leak.
A memory-accounting leak in the Linux kernel UDP subsystem.
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.