AlmaLinux 8 : kernel (ALSA-2026:3963)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:3963 advisory. kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-2300...

AlmaLinux 8 : kernel-rt (ALSA-2026:3964)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:3964 advisory. kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-2300...

AlmaLinux 9 : kernel (ALSA-2026:3966)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:3966 advisory. kernel: Linux kernel iouring: Local privilege escalation, information disclosure, or denial of service via use-after-free CVE-2025-38106 kernel: macvlan:...

Unbreakable Enterprise kernel security update

5.15.0-318.199.3.2 - macvlan: observe an RCU grace period in macvlancommonnewlink error path Eric Dumazet Orabug: 39057366 - macvlan: fix error recovery in macvlancommonnewlink Eric Dumazet Orabug: 39057366 CVE-2026-23209 - netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate...

Oracle Linux 9 : kernel (ELSA-2026-3966)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3966 advisory. - mlxsw: spectrummr: Fix use-after-free when updating multicast route stats CKI Backport Bot RHEL-143194 CVE-2025-68800 - iouring: fix use-after-free o...

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...

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...

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 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...

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...

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...

kernel security update

4.18.0-553.111.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

ALSA-2026:3964 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: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsour...

Oracle Linux 8 : kernel (ELSA-2026-3963)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-3963 advisory. - macvlan: fix possible UAF in macvlanforwardsource Hangbin Liu RHEL-144120 CVE-2026-23001 Tenable has extracted the preceding description block direct...

RHEL 8 : kernel-rt (RHSA-2026:3964)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3964 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-23001 For more details about the security...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel iouring: Local privilege escalation, information disclosure, or denial of service via use-after-free CVE-2025-38106 kernel: macvlan: fix possible UAF in macvlanforwardsource...

RHEL 8 : kernel (RHSA-2026:3963)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3963 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as...

ALSA-2026:3963 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: BUG in pskbexpandhead as part of calipsoskbuffsetattr CVE-2025-71085 kernel: macvlan: fix possible UAF in macvlanforwardsource CVE-2026-23001 For more details about the security...