CVE-2017-5550: Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows loc...

Security readout for executives and security teams

CVE-2017-5550 is a Linux kernel information disclosure bug. A local user may read unintended heap memory through pipe behavior in limited circumstances. The business risk is mainly to shared systems or hosts running untrusted local workloads, not remote-only exposure. Likely exposure is Linux systems running kernels before 4.9.5 or vendor builds without the equivalent backport. The source bundle does not identify specific distributions, appliances, or CPEs beyond Linux kernel context. Treat this as a targeted hygiene item for Linux fleet patching. It is not presented as internet-exploitable, but shared or multi-tenant systems deserve priority because the exposure is local information leakage. Mitigation focus: Update to Linux kernel 4.9.5 or a vendor-patched equivalent.; Check distribution advisories for backported fixes in maintained kernels.; Prioritize shared systems and hosts running untrusted local workloads..

Prepared

Jun 13, 2026, 06:20 UTC (UTC+00:00)

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