kernel: net: qrtr: restrict socket creation to the initial network namespace

A flaw was found in the Linux kernel's QRTR Qualcomm IPC Router networking component. An unprivileged local attacker can create a QRTR socket in a separate network namespace. Due to improper handling of global state variables, this allows the attacker to send datagrams and control-plane messages ...

ssj

SSJ - あなたの日常的なLinuxディストリビューションが超サイヤ人に。 はじめに SSJは、あなたの日常的なLinuxディストリビューション（Ubuntu、Debianなど）にインストールされたDockerを利用し、魔法のように数百のペネトレーションテストおよびフォレンジックツールを装備するちょっとしたスクリプトです。 技術的詳細 SSJは、Kali...

CVE-2026-89715

A flaw was found in the Linux kernel's NFS/localio component. A race condition during file handling can lead to a reference leak, where system resources are not properly released. This continuous accumulation of unreleased references can exhaust available resources, preventing network namespace...

CVE-2026-89488

A flaw was found in the Linux kernel's Open vSwitch OVS component. An unprivileged user, operating from a user and network namespace, can trigger a use-after-free vulnerability during network namespace teardown. This occurs because packet processing attempts to use connection tracking CT limit...

CVE-2026-89527

A flaw was found in the Linux kernel's svcrdma module. This vulnerability occurs when a listener creation fails, leading to an improper release of a network namespace reference. This resource leak can be exploited by a local attacker, potentially causing a denial of service DoS by exhausting syst...

DEBIAN-CVE-2026-80983

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

EUVD-2026-76306

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done

A flaw was found in the Linux kernel. A remote attacker could exploit a use-after-free vulnerability in the Transparent Inter-Process Communication TIPC cryptographic decryption process. This flaw occurs when a network namespace, a mechanism for isolating network resources, is deallocated before ...

kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done

A flaw was found in the Linux kernel. A remote attacker could exploit a use-after-free vulnerability in the Transparent Inter-Process Communication TIPC cryptographic decryption process. This flaw occurs when a network namespace, a mechanism for isolating network resources, is deallocated before ...

kernel: ip6_gre: Use cached t->net in ip6erspan_changelink()

A flaw was found in the Linux kernel's ip6gre module. An unprivileged user could exploit this vulnerability by migrating a network device, causing the ip6erspanchangelink function to incorrectly handle network namespace references. This error leads to a use-after-free condition when the original...

linux-kernel-codex-harness-v2

Kernel Codex Harness v2 한국어 | English 研究工具 · 原始导入：2026年4月3日 · v2 文档修订：2026年7月11日 外部信号：从注意力分配到溯源感知分类 使用可复现的观察结果引导模型注意力，然后使用仓库溯源组织审查队列——绝不用于声称证明。 项目谱系—— Kernel Codex Harness v1 · 注意力分配 → Kernel Codex Harness v2 · 溯源感知分类 项目状态。 本仓库是一个 LLM 辅助研究工具，将 v1 的注意力分配工作流发展为溯源感知分类，用于实际的 Linux 内核漏洞研究。此版本被用于发现以...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053400)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053400 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free of network namespace. Recently, we got a customer report that CI...

CVE-2026-80866

In the Linux kernel, the following vulnerability has been resolved: tipc: avoid busy looping in tipcexitnet Blamed commit introduced a busy-wait loop in tipcexitnet to wait for pending UDP bearer cleanup works to complete: while atomicread&tn-wqcount condresched; This loop can busy-wait for a lon...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ppp: The requirement for CAPNETADMIN in the target netns is necessary for unattached IOCTls. The opening of /dev/ppp is currently allowed for file-fcred-userns, while unattached administrative IOCTls operate on...

kernel: ip6_gre: Use cached t->net in ip6erspan_changelink()

A flaw was found in the Linux kernel's ip6gre module. An unprivileged user could exploit this vulnerability by migrating a network device, causing the ip6erspanchangelink function to incorrectly handle network namespace references. This error leads to a use-after-free condition when the original...

kernel: ip6_gre: Use cached t->net in ip6erspan_changelink()

A flaw was found in the Linux kernel's ip6gre module. An unprivileged user could exploit this vulnerability by migrating a network device, causing the ip6erspanchangelink function to incorrectly handle network namespace references. This error leads to a use-after-free condition when the original...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098887)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098887 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ipgre: require CAPNETADMIN in the device netns for changelink A tunnel changelink operates o...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098722)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098722 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that...

CVE-2026-74718

A flaw was found in the devlink component of the Linux kernel. When the devlinknlreloaddoit function is called, it may fail to release a network namespace reference under specific error conditions. This oversight occurs when the requested network namespace differs from the current one and the...

CVE-2026-74670

A flaw was found in the Linux kernel's IP Virtual Server IPVS component. During the initial setup of the IPVS estimator, if the network namespace is removed, the estimator may continue operating with uninitialized limits. This can lead to an out-of-bounds write when processing network statistics,...