SUSE CVE-2024-35980

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Fix TLBI RANGE operand KVM/arm64 relies on TLBI RANGE feature to flush TLBs when the dirty pages are collected by VMM and the page table entries become write protected during live migration. Unfortunately, the operand...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from memory being reused by the kernel...

SUSE CVE-2024-26990

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status Check kvmmmupageadneedwriteprotect when deciding whether to write-protect or clear D-bits on TDP MMU SPTEs, so that the TDP MMU accounts for any...

UBUNTU-CVE-2024-26760

In the Linux kernel, the following vulnerability has been resolved: scsi: target: pscsi: Fix bioput for error case As of commit 066ff571011d "block: turn biokmalloc into a simple kmalloc wrapper", a bio allocated by biokmalloc must be freed by biouninit and kfree. That is not done properly for th...

UBUNTU-CVE-2021-47133

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: Fix memory leak in amdsfhwork Kmemleak tool detected a memory leak in the amdsfh driver. ==================== unreferenced object 0xffff88810228ada0 size 32: comm "insmod", pid 3968, jiffies 4295056001 age 775.792s h...

kernel: gpiolib: fix memory leak in gpiochip_setup_dev()

In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix memory leak in gpiochipsetupdev Here is a backtrace report about memory leak detected in gpiochipsetupdev: unreferenced object 0xffff88810b406400 size 512: comm "python3", pid 1682, jiffies 4295346908 age 24.090s...

kernel: mm/vmemmap/devdax: fix kernel crash when probing devdax devices

A flaw was discovered in the device DAX devdax probing implementation of the Linux kernel memory management subsystem mm/vmemmap/devdax. Under specific architecture configurations for example POWER9 with hash MMU, the code path in vmemmappopulatecompoundpages did not properly account for...

SALT - SLUB ALlocator Tracer For The Linux Kernel

Welcome to salt , a tool to reverse and learn kernel heap memory management. It can be useful to develop an exploit, to debug your own kernel code, and, more importantly, to play with the kernel heap allocations and learn its inner workings. This tool helps tracing allocations and the current sta...

Google Android kernel ION subsystem boost vulnerability (CNVD-2017-03805)

Android on Nexus 5X is a Linux-based open source operating system developed by Google and the Open Handheld Alliance OHA for the Nexus 5X smart device. kernel ION is a kernel memory management subsystem. The kernel ION subsystem in Android is vulnerable to a privilege extraction vulnerability. Th...

Kernel: mm: try_to_unmap_cluster() should lock_page() before mlocking

It was found that the trytounmapcluster function in the Linux kernel's Memory Managment subsystem did not properly handle page locking in certain cases, which could potentially trigger the BUGON macro in the mlockvmapage function. A local, unprivileged user could use this flaw to crash the system...

kernel: mm: keep a guard page below a grow-down stack segment

The doanonymouspage function in mm/memory.c in the Linux kernel before 2.6.27.52, 2.6.32.x before 2.6.32.19, 2.6.34.x before 2.6.34.4, and 2.6.35.x before 2.6.35.2 does not properly separate the stack and the heap, which allows context-dependent attackers to execute arbitrary code by writing to t...