UBUNTU-CVE-2026-23412

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

The vulnerability of the netlink_ack() function in the net/netlink/af_netlink.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the netlinkack function in the net/netlink/afnetlink.c module of the Linux operating system is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2026-32346

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The bridge MRP component fails to validate user-supplied interval values from netlink in the br mrp start test, br mrp start in test, and br mrp start in test parse functions. When an...

PT-2026-36452

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An information leak occurs in the Linux kernel when building netlink messages. The tc chain fill node function fails to initialize the tcm info field of the struct tcmsg structure. Becau...

nfnetlink_osf: validate individual option lengths in fingerprints

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PT-2026-35016

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Linux kernel due to uninitialized padding bytes in the build polexpire function. While the build expire function correctly clears trailing padding bytes of th...

EUVD-2026-15351

In the Linux kernel, the following vulnerability has been resolved: net: phy: register phy ledtriggers during probe to avoid AB-BA deadlock There is an AB-BA deadlock when both LEDSTRIGGERNETDEV and LEDTRIGGERPHY are enabled: 1362.049207 ledtriggerregister+0x5c/0x1fc...

CVE-2026-23368

In the Linux kernel, the following vulnerability has been resolved: net: phy: register phy ledtriggers during probe to avoid AB-BA deadlock There is an AB-BA deadlock when both LEDSTRIGGERNETDEV and LEDTRIGGERPHY are enabled: 1362.049207 ledtriggerregister+0x5c/0x1fc...

PT-2026-36457

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An information leak exists when processing Router Advertisements with user options. The kernel constructs an 'RTM NEWNDUSEROPT' netlink message using the nduseroptmsg struct, which...

The vulnerability of the netlink_group_mask() function in the net/netlink/af_netlink.c module allows a hacker to cause a service failure in Linux kernel-based NETLINK session monitoring interfaces.

The vulnerability of the netlinkgroupmask function in the net/netlink/afnetlink.c module relates to the handling of socket monitoring interfaces in Linux kernel-based operating systems. This vulnerability allows an attacker to cause a service failure...

[SECURITY] [DLA 4504-1] libvirt security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-4504-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta March 20, 2026 https://wiki.debian.org/LTS -...

mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()

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The vulnerability of the netlinkpolicydump_add_policy() function in the net/netlink/policy.c module exposes the ability for a hacker to cause a service failure. This vulnerability relates to the NETLINK interface support for session monitoring in Linux kernel.

The vulnerability of the netlinkpolicydumpaddpolicy function in the net/netlink/policy.c module related to the NETLINK session monitoring interface support in Linux kernel memory management is associated with improper memory release memory leak. Exploiting this vulnerability may allow an attacker...

The vulnerability of the genl_bind() function in the net/netlink/genetlink.c module, which is part of the NETLINK interface support for Linux kernel monitoring, allows a malicious actor to cause a service failure.

The vulnerability of the genlbind function in the net/netlink/genetlink.c module, which is part of the NETLINK interface support for Linux kernel monitoring, is related to incorrect handling of permissions. Exploiting this vulnerability could allow an attacker to cause a service failure...

NewStart CGSL MAIN 6.06 (SP) : libnl3 Vulnerability (NS-SA-2026-0018)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has libnl3 packages installed that are affected by a vulnerability: - An elevation of privilege vulnerability in the libnl library could enable a local malicious application to execute arbitrary code within the context of a privileged...

SUSE SLED15 / SLES15 Security Update : smc-tools (SUSE-SU-2026:0765-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0765-1 advisory. Update to version 1.8.7 jscPED-14601. Security issues fixed: - VUL-1: smc-tools: predictable /tmp file allows for local...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005491)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005491 advisory. In the Linux kernel, the following vulnerability has been resolved: net: Fix an unsafe loop on the list The kernel may crash when deleting a genetlink family if ther...

SUSE CVE-2026-23184

In the Linux kernel, the following vulnerability has been resolved: binder: fix UAF in bindernetlinkreport Oneway transactions sent to frozen targets via binderproctransaction return a BRTRANSACTIONPENDINGFROZEN error but they are still treated as successful since the target is expected to thaw a...

SUSE CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

Siemens SIMATIC S7-1500 Loop with Unreachable Exit Condition ('Infinite Loop') (CVE-2025-38727)

In the Linux kernel, the following vulnerability has been resolved: netlink: avoid infinite retry looping in netlinkunicast netlinkattachskb checks for the socket's read memory allocation constraints. Firstly, it has: rmem skrcvbuf to check if the just increased rmem value fits into the socket's...