CVE-2026-99071

A flaw was found in the Linux kernel's IPv4 networking subsystem. A local user with network administration privileges can trigger a race condition during concurrent routing table updates. This timing issue occurs when preparing route change notifications, generating an unexpected message size err...

CVE-2026-99072

A flaw was found in the Linux kernel's IPv4 networking subsystem. A local user with network administration privileges can trigger a race condition when updating routing nexthop configurations concurrently with route notifications, causing a NULL pointer dereference. This flaw can lead to a kernel...

CVE-2026-43503

🚨 CVE-2026-43503 — DirtyClone When Shared Memory Stops Being Shared Safely. A Local Privilege Escalation vulnerability caused by improper propagation of the SKBFLSHAREDFRAG flag inside the Linux networking stack. 📖 Overview CVE-2026-43503 , nicknamed DirtyClone , is a High Severity Local Privileg...

CVE-2024-36886

N-Day Vulnerability Research Overview This project focuses on N-Day vulnerabilities in the Linux kernel, with an emphasis on understanding their lifecycle, analyzing their impact, and exploring mitigation strategies. N-Day vulnerabilities are publicly disclosed flaws that remain unpatched on many...

CVE-2026-98274

A flaw was found in the Linux kernel's networking subsystem. A local user could trigger a Denial of Service DoS or system instability by configuring a network socket to use both PSP encryption and a TCP Upper Layer Protocol ULP, such as TLS. Because these features conflict in how they track...

Vulnerabilities fixed in Linux kernel

Linux has patched vulnerabilities in the IPv4 TCP stack and the IPv4 networking subsystem of the Linux kernel. The first vulnerability involves a race condition in the IPv4 TCP stack that leads to a use-after-free of socket options during concurrent TCP SYN retransmissions or request socket...

CVE-2026-99116

A flaw was found in the Linux kernel. A local user could trigger a use-after-free vulnerability in the networking subsystem, leading to a Denial of Service DoS or potential privilege escalation. When network sockets are cloned, the Packet Security Protocol PSP association is copied from the paren...

CVE-2026-98954

A flaw was found in the Linux kernel's networking subsystem. Due to improper validation of Generic Segmentation Offload GSO packets during virtio network header processing, packets with malformed headers or certain IP options can bypass flow dissection and leave transport headers uninitialized. A...

CVE-2026-99055

A flaw was found in the Linux kernel's TCP networking subsystem. When handling zero-copy data reception involving certain device memory buffers, the kernel fails to properly validate memory fragment types before dereferencing them, resulting in a null pointer dereference. An attacker sending...

CVE-2026-98881

A flaw was found in the Linux kernel's bridge networking subsystem. An obsolete synchronization call during the deletion of bridge multicast devices causes severe lock contention within the networking layer. A local user could exploit this flaw by repeatedly creating and removing network bridge...

CVE-2026-80731

A flaw was found in the Linux kernel's networking subsystem. A local user with CAPSYSRAWIO capabilities could trigger an out-of-bounds write in the devvalidateheader function. This vulnerability arises if a device's header length increases concurrently during packet processing, causing a memory...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

CVE-2026-98804

A flaw was found in the Linux kernel's networking subsystem. When page pool statistics are enabled, a race condition in the bulk recycling mechanism can allow a memory pool to be freed before statistical updates finish processing. An attacker capable of triggering concurrent network buffer teardo...

CVE-2026-98852

A flaw was found in the Linux kernel's networking subsystem. An attacker could exploit this vulnerability by sending specially crafted encapsulated IPv6 network traffic, leading to a Denial of Service DoS. This issue stems from improper validation and parsing of IPv6 extension headers in tunneled...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

kernel: ipv4: validate checksum_start before completing checksum

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during...

CVE-2026-89790

A flaw was found in the Linux kernel's IPv6 networking subsystem. A race condition can occur during IPv6 multipath route rebalancing, where a concurrent update can lead to a divide-by-zero error. This vulnerability can cause the kernel to crash, resulting in a Denial of Service DoS for the affect...

CVE-2026-93226

A flaw was found in the Linux kernel's IPv6 networking subsystem. A race condition occurs when reading route exception lists without proper synchronization against concurrent route updates. A local user can trigger this flaw by querying network routing tables during simultaneous route updates,...

CVE-2026-98598

A flaw was found in the Linux kernel's IPv6 networking subsystem. A local attacker or network traffic triggering route exceptions while an IPv6 route is being removed can cause a circular reference leak. This failure to release resources prevents network devices from unregistering, resulting in...