CVE-2026-97971

In the Linux kernel, the following vulnerability has been resolved: n...

SUSE CVE-2026-71325

Traefik is an open-source edge router that makes publishing services a fun and easy experience. Prior to 2.11.54, 3.6.25, and 3.7.10, cross-namespace @kubernetescrd references are not rejected for TraefikService backend references resolved by the service resolver. A tenant confined by RBAC to a...

CVE-2026-74718: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace reference leak in reload devlinknlreloaddoit calls devlinknetnsget, which returns a net with a held reference. When the requested namespace differs from the current one and the reload action is not...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization through improper namespace resolution in the extensionRef process. An attacker can cause unauthorized middleware from a backend namespace to be bound to a route by crafting a malicious HTTPRoute with...

CVE-2026-63919

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

kernel: smc: Fix use-after-free in tcp_write_timer_handler()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

EUVD-2025-203780

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grabrequestedmntns lookupmntns already takes a reference on mntns. grabrequestedmntns doesn't need to take an extra reference...

SUSE CVE-2023-53781

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

EUVD-2024-44632

Malicious code in bioql PyPI...

Breaking the Bulkhead: Demystifying Cross-Namespace Reference Vulnerabilities in Kubernetes Operators

Kubernetes Operators, automated tools designed to manage application lifecycles within Kubernetes clusters, extend the functionalities of Kubernetes, and reduce the operational burden on human engineers. While Operators significantly simplify DevOps workflows, they introduce new security risks. I...

kernel: netfilter: bpf: must hold reference on net namespace

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: must hold reference on net namespace BUG: KASAN: slab-use-after-free in nfunregisternethook+0x640/0x6b0 Read of size 8 at addr ffff8880106fe400 by task repro/72= bpfnflinkrelease+0xda/0x1e0 bpflinkfree+0x139/0x2d0...

SUSE CVE-2025-22077

In the Linux kernel, the following vulnerability has been resolved: Revert "smb: client: fix TCP timers deadlock after rmmod" This reverts commit e9f2517a3e18a54a3943c098d2226b245d488801. Commit e9f2517a3e18 "smb: client: fix TCP timers deadlock after rmmod" is intended to fix a null-ptr-deref in...

UBUNTU-CVE-2024-50130

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: must hold reference on net namespace BUG: KASAN: slab-use-after-free in nfunregisternethook+0x640/0x6b0 Read of size 8 at addr ffff8880106fe400 by task repro/72= bpfnflinkrelease+0xda/0x1e0 bpflinkfree+0x139/0x2d0...