Linux Kernel - Local Privilege Escalation

Titles: Linux Kernel Local Privilege Escalation CVE-2026-43284 / CVE-2026-43500 Author: nu11secur1ty Date: 2026-05-11 Vendor: Linux Kernel Software: Linux Kernel All major distributions Vulnerability Type: Page-Cache Write / Memory Corruption Status: HIGH / CRITICAL --- Description The "Kukurigu"...

gnutls: gnutls: Denial of Service via DTLS packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

gnutls: gnutls: Denial of Service via DTLS packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

SUSE-SU-2026:21867-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short ciphertexts bsc1263715. - CVE-2026-5419: gnutlscipherdecrypt3: make PKCS7 unpadding...

CVE-2026-42009 Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

CVE-2026-42009

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

CVE-2026-42009 Gnutls: gnutls: denial of service via dtls packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

CVE-2026-42009

CVE-2026-42009 affects the GnuTLS library, where DTLS packet reordering uses a comparator that mishandles duplicate sequence numbers. This can cause unstable DTLS packet ordering or undefined behavior, leading to a denial of service. The vulnerability is described consistently across NVD entries ...

CVE-2026-42009

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

gnutls: gnutls: Denial of Service via DTLS packet reordering vulnerability

A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The comparator function, responsible for ordering DTLS packets by sequence numbers, did not correctly handle packets with duplicate sequence numbers. This...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of incorrect private data in the rxrpcpostresponse function when comparing cached response...

CVE-2025-64438

Fast DDS is a C++ implementation of the DDS Data Distribution Service standard of the OMG Object Management Group . Prior to versions 3.4.1, 3.3.1, and 2.6.11, a remotely triggerable Out-of-Memory OOM denial-of-service exists in Fast -DDS when processing RTPS GAP submessages under RELIABLE QoS. B...

MiracleLinux 9 : edk2-20231122-6.el9_4.2 (AXSA:2024-8600:07)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8600:07 advisory. EDK2: integer overflow in CreateHob could lead to HOB OOB R/W CVE-2022-36765 edk2: Predictable TCP Initial Sequence Numbers CVE-2023-45236 edk2: Use...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002322)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002322 advisory. The netgetrandomonce implementation in net/core/utils.c in the Linux kernel 3.13.x and 3.14.x before 3.14.5 on certain Intel processors does not perform the intended...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002484)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002484 advisory. The netgetrandomonce implementation in net/core/utils.c in the Linux kernel 3.13.x and 3.14.x before 3.14.5 on certain Intel processors does not perform the intended...

CVE-1999-0599

A network intrusion detection system IDS does not properly handle packets with improper sequence numbers...

EUVD-2025-203412

Webutler v3.2 contains a remote code execution vulnerability that allows authenticated administrators to upload PHP files with system command execution. Attackers can upload a PHAR file with embedded system commands to the media browser and execute arbitrary commands by accessing the uploaded fil...

CVE-2025-40820

Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial of service. The attack succeeds only ...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990409)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990409 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas...

[SECURITY] Fedora 41 Update: turbo-attack-0.1.0-3.fc41

A turbo traffic generator pentesting tool to generate random traffic with random mac and ip addresses in addition to random sequence numbers to a particular ip and port...