CVE-2010-2066: The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local u...

Security readout for executives and security teams

This is an old Linux kernel ext4 flaw that could let a local user bypass append-only file protections. The risk is mainly to legacy systems where untrusted users or workloads can run code locally. It is not a remote internet-facing vulnerability based on the supplied sources. Exposure is most plausible on legacy Linux systems running kernels before 2.6.35, or vendor products with affected kernel components, using ext4 and allowing local users or workloads. Modern maintained distributions are likely patched, but older appliances and unsupported systems need explicit verification. Address during legacy-system remediation, with higher priority for shared or multi-user Linux hosts. This is unlikely to drive emergency internet-edge response, but it can weaken file integrity controls on old systems. Mitigation focus: Apply kernel updates from the relevant Linux or product vendor.; Verify the kernel includes the upstream fix or a vendor backport.; Prioritize systems with untrusted local users, shared hosting, or multi-user workloads..

Prepared

Jun 28, 2026, 01:40 UTC (UTC+00:00)

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