kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

kernel: macvlan: fix error recovery in macvlan_common_newlink()

A use-after-free vulnerability was found in the macvlan driver. When creating a macvlan interface in source mode fails after the source MAC has been added to the hash table e.g., due to an invalid interface name, the hash entry still references the freed netdevice structure. Subsequent packets...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1495)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1495 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix null-deref in aggdequeue CVE-2025-40083 In the Linux kernel, the following vulnerability has been...

RHEL 8 : kernel-rt (RHSA-2026:6036)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6036 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

The vulnerabilities of the functions ptype_seq_next() and ptype_seq_show() in the net/core/net-procfs.c module of the Linux operating system allow a hacker to cause a service failure.

The vulnerability of the ptypeseqnext and ptypeseqshow functions in the net/core/net-procfs.c module of the Linux operating system is related to a race condition. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2026-36430

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the net/mlx5 component where the function mlx5 lag dev add mdev may return success even if a gracefully handled error occurs. This allows the initialization process to...

AlmaLinux 8 : kernel (ALSA-2026:6037)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6037 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 kernel: net/sched: clsu32: use...

PT-2026-29099

Name of the Vulnerable Software and Affected Versions Node.js version 25.x Description A flaw in the network enforcement of the Node.js Permission Model fails to apply required permission checks to Unix Domain Socket UDS server operations, although other comparable network paths are correctly...

The vulnerability of the `udp4_gro_complete()` function in the `net/core/gro.c` module of the Linux kernel allows a malicious actor to gain unauthorized access to protected information or cause service failures.

The vulnerability of the udp4grocomplete function in the net/core/gro.c module of the Linux kernel is related to an erroneous initialization of the encapsulation flag. Exploiting this vulnerability may allow an attacker to gain unauthorized access to protected information or cause service failure...

AlmaLinux 8 : kernel-rt (ALSA-2026:6036)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6036 advisory. kernel: Linux kernel: Use-After-Free vulnerability in ATM subsystem CVE-2025-38180 kernel: macvlan: fix error recovery in macvlancommonnewlink...

RHEL 9 : kernel (RHSA-2026:6153)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6153 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-After-Free...

UBUNTU-CVE-2026-23399

In the Linux kernel, the following vulnerability has been resolved: nftables: nftdynset: fix possible stateful expression memleak in error path If cloning the second stateful expression in the element via GFPATOMIC fails, then the first stateful expression remains in place without being released....

SUSE-SU-2026:1131-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2024-46854: net: dpaa: Pad packets to ETHZLEN bsc1231084. - CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer bsc1238917. -...

CVE-2021-27393

A vulnerability has been identified in Nucleus NET All versions, Nucleus ReadyStart V3 All versions V2013.08, Nucleus Source Code Versions including affected DNS modules. The DNS client does not properly randomize UDP port numbers of DNS requests. That could allow an attacker to poison the DNS...

yggdrasil-worker-package-manager security update

An update is available for yggdrasil-worker-package-manager. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list yggdrasil-worker-package-manager is a simple packag...

OESA-2026-1760 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Implement blocking domain This fixes a crash when surprise hot-unplugging a PCI device. This crash happens because during hot-unplug...