CVE-2003-1161: exit.c in Linux kernel 2.6-test9-CVS, as stored on kernel.bkbits.net, was modified to contain a backdoor, w...

Security readout for executives and security teams

This CVE describes a backdoor inserted into a Linux kernel 2.6-test9 CVS copy hosted on kernel.bkbits.net. If an organization built and ran that affected test snapshot, a local user could gain elevated privileges. Exposure appears narrow and historical, not a broad Linux distribution issue based on the provided sources. Most organizations are unlikely to be exposed unless they built kernels directly from the affected 2.6-test9-CVS source copy during the 2003 incident. Systems using vendor-supported Linux releases are not shown as affected by the provided bundle. Treat as a targeted historical supply-chain integrity issue. Prioritize only if the organization used custom Linux kernels from the affected 2003 CVS source; otherwise track as low operational urgency. Mitigation focus: Identify any systems built from Linux kernel 2.6-test9-CVS source snapshots.; Replace affected custom kernels with trusted vendor or upstream source builds.; Verify kernel source provenance before rebuilding or redeploying historical kernels..

Prepared

Jun 29, 2026, 21:50 UTC (UTC+00:00)

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