CVE-2026-23300 net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2026-23300

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2026-23300

The CVE-2026-23300 issue is a Linux kernel vulnerability in IPv6 routing where creating a standalone nexthop object (e.g., ip -6 nexthop add id 100 dev lo) caused a crash when later referenced by an IPv4 route. Root cause: fib6_nh_init() incorrectly treated such nexthops as rejects due to an abse...

CVE-2026-23300 net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

SUSE CVE-2026-27819

Vikunja is an open-source self-hosted task management platform. Prior to version 2.0.0, the restoreConfig function in vikunja/pkg/modules/dump/restore.go of the go-vikunja/vikunja repository fails to sanitize file paths within the provided ZIP archive. A maliciously crafted ZIP can bypass the...

SUSE CVE-2026-28789

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.10.3, an unauthenticated denial-of-service vulnerability exists in OliveTin's OAuth2 login flow. Concurrent requests to /oauth/login can trigger unsynchronized access to a shared registeredStates map,...

SUSE CVE-2026-29781

Sliver is a command and control framework that uses a custom Wireguard netstack. In versions from 1.7.3 and prior, a vulnerability exists in the Sliver C2 server's Protobuf unmarshalling logic due to a systemic lack of nil-pointer validation. By extracting valid implant credentials and omitting...

CVE-2026-23300: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2026-27889: Integer Overflow or Wraparound

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and...

CVE-2026-23316: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix ARM64 alignment fault in multipath hash seed struct sysctlfibmultipathhashseed contains two u32 fields userseed and mpseed, making it an 8-byte structure with a 4-byte alignment requirement. In...

CVE-2026-23345: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64: gcs: Do not set PTESHARED on GCS mappings if FEATLPA2 is enabled When FEATLPA2 is enabled, bits 8-9 of the PTE replace the shareability attribute with bits 50-51 of the output address. The PAGEGCS,RO definitions include th...

CVE-2026-23369: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Revert "i2c: i801: replace acpilock with I2C bus lock" This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple udev threads can collect i801 device info on boot and walk...

CVE-2026-23377: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ice: change XDP RxQ fragsize from DMA write length to xdp.framesz The only user of fragsize field in XDP RxQ info is bpfxdpfragsincreasetail. It clearly expects whole buff size instead of DMA write size. Different assumptions in...

PT-2026-36460

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The AF ALG interface fails to unmark the end of a Scatter/Gather List SGL when chaining a new af alg tsgl structure. If the sendmsg function fills an SGL exactly to MAX SGL ENTS, the las...

PT-2026-28092

Name of the Vulnerable Software and Affected Versions NATS-Server versions 2.2.0 through 2.11.14 NATS-Server versions 2.12.0 through 2.12.5 Description NATS-Server, a high-performance messaging system, has a flaw where a missing sanity check on WebSocket frames can cause the server to panic. This...

Linux Distros Unpatched Vulnerability : CVE-2026-23369

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - i2c: i801: Revert i2c: i801: replace acpilock with I2C bus lock This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple...

Linux Distros Unpatched Vulnerability : CVE-2026-23377

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ice: change XDP RxQ fragsize from DMA write length to xdp.framesz The only user of fragsize field in XDP RxQ info is bpfxdpfragsincreasetail. It clearly expects...

FreeBSD -- Remote denial of service via null pointer dereference

Problem Description: On a system exposing an NVMe/TCP target, a remote client can trigger a kernel panic by sending a CONNECT command for an I/O queue with a bogus or stale CNTLID. Impact: An attacker with network access to the NVMe/TCP target can trigger an unauthenticated Denial of Service...

GHSA-VPRV-35VV-Q339 NATS has pre-auth server panic via leafnode handling

Background NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing. The nats-server allows hub/spoke topologies using "leafnode" connections by other nats-servers. Problem Description A client which can conne...

NATS Server panic via malicious compression on leafnode port

Background NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing. When configured to accept leafnode connections for a hub/spoke topology of multiple nats-servers, then the default configuration allows for...