CVE-2026-89690 nfsd: defer vfree of compound ops to fix rpc_status UAF

In the Linux kernel, the following vulnerability has been resolved: nfsd: defer vfree of compound ops to fix rpcstatus UAF The rpcstatus netlink dumpit walks every in-flight svcrqst under rcureadlock and, for NFSv4 requests, reads opnums out of args-ops. But args-ops is a separate vmalloc buffer...

EUVD-2026-76319

In the Linux kernel, the following vulnerability has been resolved: net: l2tp: do not propagate multicast notification errors The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail while allocating or encodi...

CVE-2026-80996 net: l2tp: do not propagate multicast notification errors

In the Linux kernel, the following vulnerability has been resolved: net: l2tp: do not propagate multicast notification errors The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail while allocating or encodi...

CVE-2026-80996

CVE-2026-80996 affects the Linux kernel 's L2TP (Layer 2 Tunneling Protocol) subsystem. The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail during message allocation, encoding, or multicasting. Because th...

CVE-2026-80996 net: l2tp: do not propagate multicast notification errors

In the Linux kernel, the following vulnerability has been resolved: net: l2tp: do not propagate multicast notification errors The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail while allocating or encodi...

PT-2026-90416

In the Linux kernel, the following vulnerability has been resolved: nfsd: validate sockaddr length per family in listener set nfsd sock nl policy declares NFSD A SOCK ADDR as a bare NLA BINARY attribute with no minimum length. A CAP NET ADMIN caller can send a 16-byte NFSD A SOCK ADDR with sa...

PT-2026-90126

In the Linux kernel, the following vulnerability has been resolved: net: l2tp: do not propagate multicast notification errors The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail while allocating or encodi...

PT-2026-90124

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

PT-2026-90407

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear opcnt on compound arg release to prevent OOB read nfsd4 release compoundargs resets args-ops to the inline iops8 array when the dynamically-allocated ops buffer is freed, but leaves args-opcnt at its original value...

CVE-2022-1015

My POC for CVE-2022-1015 Compile: gcc -o exploit exploit.c helpers.c -lmnl -lnftnl -lpthread -no-pie...

mtechweek_04

mtechweek04 Metasploit-based penetration test on an isolated Metasploitable2 lab VM — remote exploitation via DistCC CVE-2004-2687, privilege escalation via udev netlink CVE-2009-1185, and vsftpd 2.3.4 backdoor analysis CVE-2011-2523, with firewall mitigation validated end-to-end. This repository...

CVE-2020-8958

CVE-2020-8958 CVE-2020-8958 : Exploit de Ejecución Remota de Código Autenticada para Routers NetLink usando el servidor boa. Puntuación CVSS: 7.2 Tipos de Vulnerabilidad: OS Command Injection Autenticación: Requerida Modelos Afectados: HG323 Descripción El recurso /boaform/admin/formPing en los...

CVE-2017-7184

CVE-2017-7184 – Linux Kernel XFRM Privilege Escalation No Sudo Overview This repository contains a proof-of-concept local privilege escalation exploit for CVE-2017-7184 , a Linux kernel vulnerability in the XFRM IPsec netlink subsystem. The exploit demonstrates how an unprivileged user can gain...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053245)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053245 advisory. In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close Netlink supports iterative dumping of data. I...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098850)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098850 advisory. In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix unsafe attribute parsing in outputuserspace This patch replaces the manual Netli...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098981)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098981 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: clear trailing padding in buildpolexpire buildexpire clears the trailing padding bytes of...

Astra Linux – Vulnerability in OpenVSwitch

A flaw was discovered in Open vSwitch, where multiple versions are vulnerable to crafted Geneve packets, which may lead to a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed the global out-of-bounds read in ksmbdnlpolicy. Similar to the reported issue see commit b33fb5b801c6 “net: qualcomm: rmnet: fixed global out-of-bounds in rmnetpolicy”, my local fuzzer discovered another global...

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

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: The error logic for writing back the IFLABRIDGEFLAGS flags has been fixed. In the commit d73ef2d69c0d “rtnetlink: let rtnlbridgesetlink checks IFLABRIDGEMODE length”, an adjustment was made to the old loop logic in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: pm: fixed the UaF read in mptcppmnlrmaddrorsubflow Syzkaller reported this issue as follows: ================================================================== BUG: KASAN: slab-use-after-free in...