Advisory ROSA-SA-2026-3293

CVE-ID: CVE-2026-46300 BDU-ID: None CVE-Crit: Not available CVE-DESCRIPTION: A vulnerability in the XFRM ESP-in-TCP subsystem of Linux kernels. A logical error occurs when transitioning a TCP socket to the espintcp mode after writing file data to the receive queue. The kernel processes file pages...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: UDP: The auto-bound connected sockets’ hash values are unhashed when they are disconnected from the network. Suppose we bind an UDP socket to a wildcard address with a non-zero port, then connect it to a specific address, and lat...

Astra Linux – Vulnerability in Memcached

Memcached 1.6.7 allows a Denial of Service attack through multi-packet uploads in UDP...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - UDP: Fixed a race condition between close and udpabort. - Kaustubh reported and diagnosed a panic condition in udpliblookup. The root cause is that udpabort is racing with close. Both functions attempt to acquire the socket...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

Astra Linux – Vulnerability in c-ares

c-ares is an asynchronous resolver library. c-ares is vulnerable to denial of service attacks. When a target resolver sends a query, the attacker creates a malformed UDP packet with a length of 0 and sends it back to the target resolver. The target resolver misinterprets this 0-length field as an...

Astra Linux – Vulnerability in dnsmasq

A issue was discovered in Dnsmasq before version 2.90. The default maximum EDNS.0 UDP packet size was set to 4096, but it should be 1232 due to DNS Flag Day 2020...

corosync: Corosync: Denial of Service via integer overflow in join message validation

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...

corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet

A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol UDP packet. This can lead to an out-of-bounds read, causing a denial of service...

ALSA-2026:19200 Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer overflow in join message...

Exploit for CVE-2026-35333

CVE-2026-35333 strongSwan RADIUS attribute-iterator pre-auth...

TencentOS Server 3: kernel (TSSA-2026:0315)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0315 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

CVE-2026-42920

When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

CVE-2026-42920

CVE-2026-42920 affects BIG-IP DTLS: when a Client SSL profile has Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate, resulting in a DoS as TMM restarts. The F5 advisory notes this is a data-plane issue with rem...

CVE-2026-41956

CVE-2026-41956 affects BIG-IP TMM. When a classification profile is configured on a UDP virtual server, undisclosed requests can cause TMM termination, producing DoS on the BIG-IP data plane. From F5 advisories, vulnerable lines include BIG-IP (all modules) UDP virtual servers across 17.x and 21....

PT-2026-40664

Name of the Vulnerable Software and Affected Versions F5 BIG-IP affected versions not specified F5 BIG-IP Next CNF affected versions not specified F5 BIG-IP Next for Kubernetes affected versions not specified Description A stack-based overflow in the Traffic Management Microkernel TMM can be...

UBUNTU-CVE-2026-43284

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFLSHAREDFRAG after skbsplicefromiter, so later paths that may modify packet data ca...

SUSE CVE-2026-43080

In the Linux kernel, the following vulnerability has been resolved: l2tp: Drop large packets with UDP encap syzbot reported a WARN on my patch series 1. The actual issue is an overflow of 16-bit UDP length field, and it exists in the upstream code. My series added a debug WARN with an overflow...

corosync: Corosync: Denial of Service via integer overflow in join message validation

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...

corosync: Corosync: Denial of Service via integer overflow in join message validation

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...