CVE-2026-31694-POC

CVE-2026-31694: FUSE readdir cache out-of-bounds write A missing bounds check in fs/fuse/readdir.c:fuseadddirenttocache. A FUSE server returns a dirent with namelen = 4095, which serializes to a 4120-byte record. The kernel copies it into a single 4096-byte page-cache page and overflows by 24...

spectre-attack-example

Spectre Attack Example January 2, 2018 CVE-2017-5753 and CVE-2017-5715 "Spectre" exploit example What is this? We place the text "The Magic Words are Squeamish Ossifrage." in memory, and then we attempt to read it using the vulnerability. If the system is vulnerable, you will see the same text on...

CVE-2026-11105-Stack-Buffer-Overflow-in-Custom-Base64-Decoder

CVE-2026-11105 – Stack Buffer Overflow in Custom Base64 Decoder Program Code C // base64vuln.c - Vulnerable Base64 decoder include include include int base64decodeconst char in, sizet inlen, char out, sizet outlen static const char table =...

SpeculativeExecutionAssessment

SpeculativeExecutionAssessment Assesses a system for the "speculative execution" vulnerabilities described in: CVE-2017-5715 branch target injection CVE-2017-5753 bounds check bypass CVE-2017-5754 rogue data cache load WARNING: Ensure that "Prefer 32-bit" is not checked in the build options...

CVE-2026-98728

A flaw was found in the Linux kernel's Trusted Platform Module TPM driver. This flaw can lead to information disclosure when the kernel requests random data. Due to an incorrect bounds check when processing session-tagged responses, a truncated response can pass validation and cause the kernel to...

lwip-snmpv3-stack-overflow-cve-2026-8836-critical-embedded-rce

CVE-2026-8836 — lwIP SNMPv3 Stack Overflow PoC Proof of concept exploit for CVE-2026-8836, a critical stack-based buffer overflow in lwIP's SNMPv3 USM handler. Vulnerability CVE : CVE-2026-8836 CVSS : 9.8 Critical Component : snmpparseinboundframe in src/apps/snmp/snmpmsg.c Root Cause :...

RHEL 9 : kernel (RHSA-2026:87805)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87805 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netlabel: Fix NULL pointer...

kernel: Fix of 39 CVEs

nfs: fix UAF in direct writes CVE-2024-26958 - NFSD: Fix the behavior of READ near OFFSETMAX CVE-2022-48827 - thermal: core: prevent potential string overflow CVE-2023-52868 - ath5k: fix OOB in ath5keepromreadpcalinfo5111 CVE-2021-47633 - RDMA/cma: Ensure rdmaaddrcancel happens before issuing...

Linux Distros Unpatched Vulnerability : CVE-2026-98591

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is...

UBUNTU-CVE-2026-98726

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: fix underflow in ANA log bounds checks The number of ANA groups advertised through Identify Controller sizes the ANA log buffer. The ANA log header and group descriptors independently supply the number of groups a...

CVE-2026-98728

In the Linux kernel, the following vulnerability has been resolved: tpm: fix off-by-four bounds check in tpm2getrandom When the response carries the TPM2STSESSIONS tag, tpm2getrandom skips the 4-byte parameter size field before locating the random data, but the bounds check still validates the...

CVE-2026-98591

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

CVE-2026-98591 bpf: Fix bounds check for skb-backed dynptrs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

EUVD-2026-103636

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

CVE-2026-98591

The Linux kernel contains a vulnerability in the skb_pointer_if_linear() function used by skb-backed BPF dynptr code. The root cause is an unsigned subtraction underflow occurring between skb_headlen and the off parameter. This flaw allows the bounds check to spuriously pass, potentially generati...

CVE-2026-98591 bpf: Fix bounds check for skb-backed dynptrs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bounds check for skb-backed dynptrs The skbpointeriflinear function checks whether a memory region of length len starting at offset off into the skb is in the linear area, and returns a pointer to the region if so. The...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: The EEPROM and OTP sizes for PCI1xxxx devices have been modified. The maximum OTP and EEPROM sizes for PCI1xxxx devices are 8 Kb and 64 Kb respectively. The maximum size definitions have been adjusted, and the corre...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: ipc3-control: Fixed a heap overflow in bytesext put/get The ipccontroldata buffer is allocated using kzallocmaxsize, where maxsize covers the entire struct sofipcctrldata, including its flexible array payload...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/jfs: Added validation for dbmaxag and dbagpref. Both dbmaxag and dbagpref are used as indexes for the dbagfree array. However, there is currently no validation for these values, which can lead to errors. The following is a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in the RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking whether the number of fragments has...