CVE-2007-0773: The Linux kernel before 2.6.9-42.0.8 in Red Hat 4.4 allows local users to cause a denial of service (kernel...

Security readout for executives and security teams

This is an old local denial-of-service flaw in certain Linux kernels. A user who already has local access could trigger a kernel crash on affected 64-bit x86 systems using a 32-bit ioctl path. The sources do not show remote compromise or data theft. Exposure is most plausible on legacy Linux systems running the affected kernel lineage, especially 64-bit x86 hosts supporting 32-bit ioctl compatibility. Modern maintained distributions are unlikely to be affected, but appliances or long-lived embedded deployments may retain old kernels. Treat this as a legacy exposure management issue, not an internet emergency. Patch or retire affected systems where local users, tenants, or untrusted workloads exist. Business risk is service disruption from a kernel crash. Mitigation focus: Identify systems running kernels older than the vendor-fixed release.; Review Red Hat RHSA-2007:0488 for applicable Red Hat kernel updates.; Review SUSE and Avaya advisories if those platforms are in scope..

Prepared

Jun 29, 2026, 05:01 UTC (UTC+00:00)

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