PT-2026-30131

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw where a network device could be unregistered between the time a reference was taken and the time it was locked, potentially leading to a memory leak...

PT-2026-30132

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw where late read accesses to the network device hierarchy were not properly protected. A missing liveness check during the conversion from a reference to...

netlink_ack_tlv_len Heap Buffer Overflow DoS

The vulnerability of the netlinkacktlvlen function in the net/netlink/afnetlink.c module, which supports NETLINK socket monitoring interfaces in Linux operating systems, is related to errors in deleting confidential information before reusing it. Exploiting this vulnerability could allow an...

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...

Linux netlink_ack() Buffer Overflow DoS

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-2026-32342

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter nfnetlink log component where the NLMSG DONE does not properly account for the netlink header size, considering only the attribute size. This can lead to...

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...

PT-2026-32354

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the netfilter nfnetlink log component allows the leak of stale heap contents to userspace via the NFLOG netlink socket. The function build packet message manually constructs 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...

netlink_group_mask() function Heap Buffer Overflow DoS

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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netlinkpolicydump_add_policy() NETLINK DoS

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...

PT-2026-39112

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the netfilter nfnetlink queue component. The nfqnl recv verdict function calls find dequeue entry to remove a queue entry, taking ownership of it. For PF BRIDGE...

netlink Heap Buffer Overflow DoS

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...