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...

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...

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...

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...

CVE-2026-43164

CVE-2026-43164 affects the Linux kernel UDP-Lite implementation. The issue is a null-pointer dereference in __udp_enqueue_schedule_skb() triggered during UDP-Lite socket initialization, as reported by syzbot. Post-commit changes allow udp_lib_init_sock(), udp_init_sock(), and udpv6_init_sock() to...

CVE-2026-43164 udplite: Fix null-ptr-deref in __udp_enqueue_schedule_skb().

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix null-ptr-deref in udpenqueuescheduleskb. syzbot reported null-ptr-deref of udpsksk-udpprodqueue. 0 Since the cited commit, udplibinitsock can fail, as can udpinitsock and udpv6initsock. Let's handle the error in...

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...

CVE-2026-43080 l2tp: Drop large packets with UDP encap

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...

CVE-2026-43080 l2tp: Drop large packets with UDP encap

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 security update

An update is available for corosync. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The corosync packages provide the Corosync Cluster Engine and C APIs for Roc...

SUSE CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6CSUM GSO fallback NETIFFIPV6CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software...

AlmaLinux 8 : corosync (ALSA-2026:13657)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:13657 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer...

PT-2026-37504

In the Linux kernel, the following vulnerability has been resolved: udplite: Fix null-ptr-deref in udp enqueue schedule skb. syzbot reported null-ptr-deref of udp sksk-udp prod queue. 0 Since the cited commit, udp lib init sock can fail, as can udp init sock and udpv6 init sock. Let's handle the...

PT-2026-37390

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An overflow occurs in the 16-bit UDP length field when processing oversized PPPoL2TP packets with UDP encapsulation. The l2tp xmit core function fails to check for overflows during the...

RHEL 10 : corosync (RHSA-2026:14205)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14205 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes:...

RHEL 8 : corosync (RHSA-2026:14214)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14214 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosyn...

CVE-2026-35579

CoreDNS is a DNS server written in Go. In versions prior to 1.14.3, the gRPC, QUIC, DoH, and DoH3 transport implementations incorrectly handle TSIG authentication. For gRPC and QUIC, the server checks whether the TSIG key name exists in the configuration but never calls dns.TsigVerify to validate...

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-2026:13673 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...