use-after-free

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#use-after-free

OEMpocalypse: Unprivileged Android app to root on Samsung, Xiaomi, others

Hacker News Top ↗ · 2026-09-14 Cached

The research introduces a generic exploitation strategy that leverages OEM-specific vulnerabilities in Android kernel drivers to achieve root access on devices from Samsung, Xiaomi, and others, focusing on reliability, portability, and universality.

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#use-after-free

Static Allocation, Constant Work

Lobsters Hottest ↗ · 2026-09-02 Cached

This article explores static allocation strategies to prevent memory safety bugs such as use-after-free and type confusion, discussing object pools and generational indices, and introducing tricks from TigerStyle for avoiding dynamic memory allocation after initialization.

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#use-after-free

@FAMASoon: https://github.com/hacksysteam/HackSysExtremeVulnerableDriver… UAF done

X AI KOLs Timeline ↗ · 2026-08-10 Cached

HackSys Extreme Vulnerable Driver (HEVD) is an intentionally vulnerable Windows kernel driver for learning kernel exploitation techniques, including use-after-free, stack overflows, and pool overflows. The tweet notes that a UAF exploit has been completed.

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#use-after-free

SCTPhantom: An 18-Year-Old SCTP ASCONF Transport Use-After-Free

Lobsters Hottest ↗ · 2026-08-06 Cached

Tencent's Corvus AI research pipeline discovered SCTPhantom, an 18-year-old use-after-free vulnerability in Linux SCTP dynamic address reconfiguration (ASCONF) that enables local privilege escalation. The article details the discovery, root cause, exploitation chain, and upstream fix.

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#use-after-free

Zapscape - Guest to host escape in KVM/x86

Lobsters Hottest ↗ · 2026-08-06 Cached

Zapscape (CVE-2026-64561) is a KVM/x86 shadow MMU use-after-free vulnerability that allows a guest VM to escape to the host and execute code with kernel privileges. The published PoC demonstrates a full guest-to-host escape targeting AMD SVM/NPT on Linux 7.1.3, posing a serious threat to multi-tenant public clouds.

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#use-after-free

A flaky test exposed a Redis client use-after-free

Hacker News Top ↗ · 2026-07-22 Cached

An engineering blog post from Buildkite details how a flaky test led to the discovery of a use-after-free bug in the redis-client Ruby library, describing the debugging process and root cause analysis.

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#use-after-free

A Linux Kernel 0-day Journey - From a limited UAF to Physical Memory R/W

Lobsters Hottest ↗ · 2026-07-20 Cached

This article details the discovery and exploitation of a Linux kernel 0-day vulnerability in the network scheduler subsystem (red scheduler), turning a limited slab use-after-free into full physical memory read/write, ultimately achieving privilege escalation to root. The vulnerability existed for 2.5 years and was fixed in June 2026.

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#use-after-free

OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root (CVE-2026-57589)

Lobsters Hottest ↗ · 2026-07-08 Cached

A use-after-free vulnerability in OpenBSD through version 7.9 allows local attackers to escalate privileges to root. The flaw exists in sysv_sem.c and is identified as CVE-2026-57589.

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#use-after-free

Unprivileged root via a use-after-free in DRM GEM change_handle (CVE-2026-46215)

Lobsters Hottest ↗ · 2026-06-29 Cached

A use-after-free vulnerability in the DRM GEM core ioctl DRM_IOCTL_GEM_CHANGE_HANDLE allows unprivileged local users with render node access to escalate to root. The bug was fixed in the Linux kernel mainline in May 2026.

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#use-after-free

CVE-2026-42530: Use after free in nginx HTTP/3 QUIC module

Lobsters Hottest ↗ · 2026-06-18

CVE-2026-42530 discloses a use-after-free vulnerability in nginx's HTTP/3 QUIC module.

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#use-after-free

Unix GC Remastered

Hacker News Top ↗ · 2026-06-10 Cached

A detailed walkthrough of the Linux kernel's AF_UNIX garbage collector rewrite, explaining the background, the new graph-based model, and a Use-After-Free bug.

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#use-after-free

High-severity vulnerability in Linux caused by a single faulty character

Ars Technica ↗ · 2026-06-09 Cached

A single faulty character in the Linux kernel introduced a use-after-free vulnerability (CVE-2026-53111) allowing unprivileged users to escalate privileges to root on Debian and Ubuntu systems; the bug has been fixed and backported.

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#use-after-free

@jedisct1: The epoll uaf

X AI KOLs Timeline ↗ · 2026-05-26 Cached

A detailed analysis of a use-after-free vulnerability in the Linux kernel's epoll subsystem, fixed by switching to RCU, and the author's failed attempts at exploiting it on a modern device.

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