15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros

Researchers at Nebula Security have disclosed GhostLock CVE-2026-43499, a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched. The vulnerable code has shipped by default in essentially every mainstream distribution since 2011. T...

New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android

A newly disclosed Linux kernel flaw called Bad Epoll CVE-2026-46242 lets an ordinary user with no special access take full control of a machine as root. It affects Linux desktops, servers, and Android, and a fix is out. Bad Epoll sits in the same small stretch of kernel code where Anthropic's mos...

kernel: exit: prevent preemption of oopsing TASK_DEAD task

A flaw was found in the Linux kernel. During the exit process of a task that has encountered an error, the system can incorrectly allow the task to be interrupted. This can lead to improper management of the task's memory, potentially causing memory corruption. Such an issue could allow a local...

⚡ Weekly Recap: Linux Kernel Flaws, AI Malware Tricks, Turla Backdoor, Infostealers and More

This week was a reminder that attackers do not always need big tricks. One small mistake, one old access path, one missed patch, and suddenly the door is open. The noise is not all noise, either. Forums are talking, researchers are finding easy cracks, and defenders have more cleanup waiting...

Linux Distros Unpatched Vulnerability : CVE-2026-53019

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - clk: spacemit: ccumix: fix inverted condition in ccumixtriggerfc Fix inverted condition that skips frequency change trigger, causing kernel panics during cpufre...

CVE-2026-53083

A flaw was found in the Linux kernel. A missing condresched in the bpffdarraymapclear loop, specifically when handling BPF Berkeley Packet Filter PROGARRAY maps with numerous entries, can lead to an RCU Read-Copy Update stall. This can result in a Denial of Service DoS under heavy system load, as...

Security Bulletin: IBM MQ Appliance is affected by multiple open source vulnerabilities (CVE-2026-23193, CVE-2026-23231, CVE-2026-3497)

Summary IBM MQ Appliance has addressed multiple open source vulnerabilities. Vulnerability Details CVEID:CVE-2026-3497 DESCRIPTION: Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions...

CVE-2026-45974

A flaw was found in the Linux kernel's btrfs filesystem. The btrfsquotaenable function contains a logic error where it attempts to access an invalid memory location if a specific key is not found during a search operation. This incorrect handling of search results can lead to invalid leaf access,...

kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel

A flaw was found in the Linux kernel's XFRM ESP-in-TCP subsystem. Unsafe in-place cryptographic processing allows a low-privileged local attacker to write arbitrary bytes into the page cache of read-only files, including sensitive system files. An attacker can exploit this to overwrite privileged...

CVE-2026-43357

A flaw was found in the iio: gyro: mpu3050-core driver of the Linux kernel. Incorrect error handling in the power management runtime functions allows the driver to attempt accessing hardware that may have failed to resume. This can lead to an unconditionally incremented device usage count,...

GHSA-M38G-VWW2-MVGX Talos Linux has a local privilege escalation from untrusted workloads

Summary A vulnerability in the Linux kernel's algifaead subsystem CVE-2026-31431, "copy.fail" allows an unprivileged container workload to corrupt arbitrary file page-cache pages via the AFALG crypto interface and splice. On Talos Linux, this vulnerability can be chained into a complete node...

Linux Distros Unpatched Vulnerability : CVE-2026-43087

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Disable all pin interrupts during probe A chip being probed may have the...

CVE-2026-43261

A flaw was found in the Linux kernel. This vulnerability affects systems running on TSV110 processors, making them susceptible to the Spectre-BHB Branch History Buffer attack. A local attacker could exploit this side-channel vulnerability to potentially leak sensitive information by observing...

CVE-2026-43043

A flaw was found in the Linux kernel's af-alg subsystem. When the AFALG interface chains a new afalgtsgl structure, it fails to unmark the end of a Scatter/Gather List SGL. This can lead to a NULL pointer dereference during a subsequent sendmsg operation, causing a kernel panic and resulting in a...

CVE-2026-31733

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix stale direct dispatch state in ddspdsqid @p-scx.ddspdsqid can be left set non-SCXDSQINVALID triggering a spurious warning in markdirectdispatch when the next wakeup's ops.selectcpu calls scxbpfdsqinsert, such as:...

cve-checker-2026

CVE Checker 2026 Multi-OS vulnerability scanner for: - CVE...

Exploit for CVE-2026-31431

Copy Fail - CVE-2026-31431 This repository provides a Go port...

Copy Fail AF_ALG + authencesn Page-Cache Write

CVE-2026-31431 is a logic flaw in the Linux kernel's authencesn AEAD template that, when reached via the AFALG socket interface combined with splice, allows an unprivileged local user to perform a controlled 4-byte write into the page cache of any readable file. Because the corrupted pages are...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the logic reversal in the length check for the RESPONSE verifier in the rxgkverifyresponse...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013442)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013442 advisory. An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of- bounds read and OOPS for SMB2WRITE, when there is a large...