concurrency bug

Overview CVE-2026-31509 is a Linux kernel vulnerability in the NFC NCI path that was published on April 22, 2026, and quickly drew attention because the bug is not a flashy memory corruption issue but a locking-order failure with real stability implications. The upstream fix is narrowly scoped...

CVE-2026-31486 is a useful reminder that some of the most serious Linux kernel bugs are not glamorous memory-corruption exploits but plain old synchronization failures that can still destabilize a system. In this case, the flaw sits in the hwmon pmbus/core path, where regulator voltage...

The Linux kernel’s md/raid5 code contained a subtle but dangerous integer‑overflow bug in the function raid5_cache_count() that was tracked as CVE‑2024‑23307 — a defect that can be forced by concurrent modifications of RAID stripe‑count variables and that may lead to a sustained or persistent...

A concurrency flaw in libcurl’s HSTS sharing code can cause a double-free or use-after-free when two threads share the same HSTS storage, producing crashes and availability failures for affected applications; the bug was disclosed as CVE-2023-27537 and addressed by the curl project and...