OESA-2026-2495 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Fix wildcard bind conflict check when using hash2 When binding a udpsock to a local address and port, UDP uses two hashes udptable-hash and udptable-hash2 f...

OESA-2026-2494 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: udp: Fix wildcard bind conflict check when using hash2 When binding a udpsock to a local address and port, UDP uses two hashes udptable-hash and udptable-hash2 f...

EUVD-2026-24880

In the Linux kernel, the following vulnerability has been resolved: udp: Fix wildcard bind conflict check when using hash2 When binding a udpsock to a local address and port, UDP uses two hashes udptable-hash and udptable-hash2 for collision detection. The current code switches to "hash2" when...

CVE-2026-31503

In the Linux kernel, the following vulnerability has been resolved: udp: Fix wildcard bind conflict check when using hash2 When binding a udpsock to a local address and port, UDP uses two hashes udptable-hash and udptable-hash2 for collision detection. The current code switches to "hash2" when...

CVE-2026-31503

CVE-2026-31503 concerns a Linux kernel UDP hash2-based wildcard-bind conflict check that can miss an in-use port when many sockets bind to the same port. The issue arises because UDP uses two hashes (hash and hash2) for collision detection and switches to hash2 only when hslot->count > 10, ...

PT-2026-34408

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A conflict check failure occurs when binding a udp sock to a local address and port. The system utilizes two hashes, udptable-hash and udptable-hash2, for collision detection. When the...

The vulnerability of the TCP component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the TCP component in the Linux operating system’s kernel is related to errors in resource management in the net/ipv4/inethashtables.c file. Exploiting this vulnerability can allow an attacker to cause a service failure...