Use-after-free

Assess

Techniques

A memory-safety bug where freed memory is accessed again.

Why it's here

Placed in Assess: 2 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 36%.

9Hacker News·9/14/2026security
Research shows a path from unprivileged Android apps to root on major OEM devices
A security researcher describes a generic exploitation strategy that starts from an untrusted Android app and ends with root on Samsung, Xiaomi, and Oppo/OnePlus/Realme devices. The approach relies on OEM-specific kernel driver page use-after-free bugs and, where needed, OEM-specific sandbox escapes, with claims of broad coverage across recent flagship and mid-range models.
8Hacker News·7/8/2026security
OpenBSD use-after-free bug enables local root escalation
A vulnerability identified as CVE-2026-57589 affects OpenBSD through version 7.9 in sys/kern/sysv_sem.c. The flaw is a use-after-free in sys_semget() that can allow a local attacker to escalate privileges to root, with a MITRE-assessed CVSS 3.1 score of 7.4 high.