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CVE-2008-4113 is an information disclosure vulnerability in the Linux kernel's Stream Control Transmission Protocol implementation, specifically in the sctp_getsockopt_hmac_ident function in net/sctp/socket.c before Linux kernel 2.6.26.4. When the SCTP-AUTH extension is enabled, the function relies on an untrusted user-supplied length value when copying data from kernel memory in handling an SCTP_HMAC_IDENT request through sctp_getsockopt. Because the length is not properly validated against the actual size of the intended data, a local user can trigger an out-of-bounds read and obtain portions of sensitive kernel memory.
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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.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in an OS kernel where trusting a userland-supplied length value allows sensitive information disclosure.
An out-of-bounds read/information disclosure vulnerability where an OS kernel trusts a userland-supplied length value.
A vulnerability in an OS kernel where trusting a userland-supplied length value allows sensitive information disclosure via out-of-bounds read.
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.