Linux Kernel Security Vulnerabilities

The Linux kernel version 4.3 contains security vulnerabilities. These vulnerabilities arise from adding pointers to the extended area into the expected list when calling auxiliary functions. Subsequent reallocations of space after adding extensions cause the pointers to become invalid. Accessing...

CVE-2026-46331-pedit-cow

CVE-2026-46331-pedit-cow Write-up and exploitation steps for the pedit COW vulnerability CVE-2026-46331. Overview This challenge demonstrates pedit COW, a Linux kernel flaw in the traffic-control subsystem's packet-editing action actpedit. The vulnerability allows an unprivileged user to overwrit...

reproducer-poc-CVE-2022-0847

Naive detector and reproducer of CVE-2022-0847 dirty pipe. Uses simple generator of syscall sequences / programs from purposefully limited set of building blocks / input values only generation, no advanced fuzzing; no mutation; no coverage guidance; no shrinking / minimization and detects...

CVE-2022-1015

CVE-2022-1015 id uid=1000d gid=1000d groups=1000d ./poc + unshare done table created: leaktable chain created: leakchain rule added Listening on port 9999 table created: leaktable chain created: leakchain rule added Listening on port 9999 kerneladdress: ffffffffb4a00000 kernelstack:...

CVE-2019-2215

CVE-2019-2215 Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1942 https://bugs.chromium.org/p/project-zero/issues/attachmentText?aid=414885 Samsung S7 and S7 Edge with Kernel 3.18.x seem not vulnerable could be however, with more work with PoC adjustments. Could not see more,...

linux-4.19.72_CVE-2020-29370

Linux kernel There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use make htmldocs or make pdfdocs. The formatted documentatio...

CVE-2025-40019-Essiv

CVE-2025-40019-Essiv A PoC for CVE-2025-40019 in ESSIV module. exploit WIP for exploitation, note that scatterlist both req-src and req-dst has pagelink member. pagelink is a way to encode sg table info alongside page pointer as far as I understand: gdb ptype struct scatterlist type = struct...

SUSE CVE-2023-53579

In the Linux kernel, the following vulnerability has been resolved: gpio: mvebu: fix irq domain leak Uwe Kleine-König pointed out we still have one resource leak in the mvebu driver triggered on driver detach. Let's address it with a custom devm action...

SUSE CVE-2025-38093

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: x1e80100: Add GPU cooling Unlike the CPU, the GPU does not throttle its speed automatically when it reaches high temperatures. With certain high GPU loads it is possible to reach the critical hardware shutdown...

SUSE CVE-2025-38241

In the Linux kernel, the following vulnerability has been resolved: mm/shmem, swap: fix softlockup with mTHP swapin Following softlockup can be easily reproduced on my test machine with: echo always /sys/kernel/mm/transparenthugepage/hugepages-64kB/enabled swapon /dev/zram0 zram0 is a 48G swap...

SUSE CVE-2025-38596

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fix UAF in panthorgemcreatewithhandle debugfs code The object is potentially already gone after the drmgemobjectput. In general the object should be fully constructed before calling drmgemhandlecreate, except the...

SUSE CVE-2026-43130

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush dev-IOTLB only when PCIe device is accessible in scalable mode Commit 4fc82cd907ac "iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected" relies on pcidevisdisconnected to skip ATS...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

Exploit for CVE-2026-99999

cve-2026-99999-audit !CVEhttps://img.shields.io/badge/CVE-...

Dirty-Pipe-Exploit

Dirty-Pipe-Exploit The Dirty Pipe exploit CVE-2022-0847 is a Linux kernel vulnerability v5.8+ allowing unprivileged attackers to overwrite arbitrary files via a flaw in the pipe mechanism. This leads to privilege escalation, granting root access. Similar to Dirty Cow but easier to exploit. Fix:...

CVE-2019-7489

This repository does not have a README...

Reproduce-CVE-2023-52927

Reproduce-CVE-2023-52927 Target kCTF cos-109-17800.436.33 machine: Kernel image bzImage: https://storage.googleapis.com/kernelctf-build/releases/cos-109-17800.436.33/bzImage Kernel image vmlinux: https://storage.googleapis.com/kernelctf-build/releases/cos-109-17800.436.33/vmlinux.gz Kernel config...

CVE-2025-38676

CVE-2025-38676 — Linux Kernel ≤ 6.17-rc2 AMD IOMMU stack buffer overflow This repo provides safe, non-exploit PoC resources to study CVE-2025-38676: Info-gathering + safety tools QEMU boot harness to exercise long kernel cmdline permutations Hardening guidance GRUB/UEFI/Secure Boot; baseline...

CVE-2023-32233

Building And Configuring The instructions below were tested under Ubuntu 23.04 Lunar Lobster. Installing Build Dependencies Run the following command to install the build dependencies: sudo apt install gcc libmnl-dev libnftnl-dev Building Binary Run the following command to build the PoC binary:...

2022-LPE-UAF

2022-LPE-UAF Untested POC code Security researchers discovered 3 vulnerabilities in the Linux kernel that could allow a local attacker to elevate privileges and potentially execute malicious code. The proof-of-concept code is publicly available increasing the likelihood of exploitation in the wil...