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...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

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: 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...

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...

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...

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...

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...

PT-2026-29099

Name of the Vulnerable Software and Affected Versions Node.js versions 25.x Description A flaw in the Node.js Permission Model’s network enforcement allows Unix Domain Socket UDS server operations to proceed without the necessary permission checks. All other network paths correctly enforce these...

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...

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...

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...

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...

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...

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....