CVE-2009-0676: The sock_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a c...

Security readout for executives and security teams

CVE-2009-0676 is a Linux kernel information disclosure bug. A local user on an affected system could request a socket option and receive data from kernel memory that should not be exposed. It is not a remote takeover issue based on the provided sources, but it matters on multi-user or shared systems. Exposure is most likely on legacy Linux systems running kernels before 2.6.28.6 or vendor kernel packages not updated for this CVE. The source bundle lists Red Hat, Debian, Ubuntu, SUSE, and VMware advisories, but the affected product data is incomplete. Treat this as legacy Linux hygiene with higher urgency for shared systems. It does not warrant emergency remote-exploit response from the provided evidence, but unpatched multi-user hosts should be corrected because kernel memory exposure can aid broader compromise. Mitigation focus: Update affected systems to Linux kernel 2.6.28.6 or vendor-patched kernel packages.; Review listed vendor advisories for distribution-specific fixed package versions.; Prioritize shared or multi-user systems where local users are not fully trusted..

Prepared

Jun 28, 2026, 11:23 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.