CVE-2008-5300: Linux kernel 2.6.28 allows local users to cause a denial of service ("soft lockup" and process loss) via a...

Security readout for executives and security teams

CVE-2008-5300 is an old Linux kernel availability flaw. A local user could trigger kernel soft lockups and memory exhaustion by making many sendmsg calls. The business risk is service disruption on legacy systems, especially shared hosts or systems running untrusted local workloads. Exposure is most plausible on legacy Linux systems using affected 2.6.28-era kernels or vendor-derived kernels referenced by distribution advisories. Internet-facing exposure is not indicated; the described attacker position is local user access. Treat this as a legacy availability risk. Prioritize remediation where old Linux kernels support production, multi-tenant, or operationally critical workloads. It is lower urgency for fully patched modern systems. Mitigation focus: Apply relevant vendor kernel updates or advisories for affected legacy distributions.; Check vendor guidance before assuming a specific fixed version.; Limit local shell access on systems that cannot be patched promptly..

Prepared

Jun 28, 2026, 11:41 UTC (UTC+00:00)

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