kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50171)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50171 advisory. - macvlan: fix error recovery in macvlancommonnewlink Eric Dumazet Orabug: 39057366 CVE-2026-23209 - netfilter: nftables: fix inverted genmask check in...

Oracle Linux 9 : kernel (ELSA-2026-6153)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-6153 advisory. - net/sched: clsu32: use skbheaderpointercareful Paolo Abeni RHEL-150403 CVE-2026-23204 - bonding: fix use-after-free due to enslave fail after slave...

Oracle Linux 8 : kernel (ELSA-2026-6037)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-6037 advisory. - net/sched: clsu32: use skbheaderpointercareful Paolo Abeni RHEL-150398 CVE-2026-23204 - macvlan: fix error recovery in macvlancommonnewlink CKI...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2026-115)

The version of kernel installed on the remote host is prior to 5.10.252-250.992. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-115 advisory. In the Linux kernel, the following vulnerability has been resolved: smack: /smack/doi: accept previously...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

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...

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: 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...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt 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...

ALSA-2026:6036 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 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...

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...

ALSA-2026:6153 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: drm/sched: Fix potential double free in drmschedjobaddresvdependencies CVE-2025-40096 kernel: Linux...

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: drm/sched: Fix potential double free in drmschedjobaddresvdependencies CVE-2025-40096 kernel: Linux...

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...

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...