Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. 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...

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 9.0 Update Services for SAP Solutions. 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...

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 9.2 Update Services for SAP Solutions. 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...

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...

RHEL 9 : kernel (RHSA-2026:9644)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9644 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel:A use-after-free ...

RHEL 9 : kernel (RHSA-2026:9836)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9836 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: macvlan: fix possible UAF in...

RHEL 9 : kernel-rt (RHSA-2026:9835)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9835 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 9 : kernel-rt (RHSA-2026:9512)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:9512 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2026-50234)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50234 advisory. - macvlan: fix possible UAF in macvlanforwardsource Eric Dumazet Orabug: 38887731 CVE-2026-23001 - macvlan: fix error recovery in...

PT-2026-51907

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the macvlan module where the macvlan get size function fails to reserve space for the IFLA MACVLAN BC CUTOFF attribute. However, the macvlan fill info function...

Unbreakable Enterprise kernel security update

5.4.17-2136.354.4.1 - Revert 'rds: Drop rds conn in connect worker if not in down state.' Alok Tiwari Orabug: 39200399 5.4.17-2136.354.4 - macvlan: fix possible UAF in macvlanforwardsource Eric Dumazet Orabug: 38887731 CVE-2026-23001 - macvlan: Use 'hash' iterators to simplify code Christophe...

SUSE SLES12 Security Update : kernel (Live Patch 73 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:1304-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1304-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.275 fixes various security issues The following security issues were fixed: -...

AlmaLinux 10 : kernel (ALSA-2026:6632)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:6632 advisory. kernel: Linux kernel net/mlx5: Use-after-free in ECVF vports unload leads to denial of service CVE-2025-38109 kernel: Linux kernel: Local denial of servi...

SUSE SLES12 Security Update : kernel (Live Patch 77 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:1294-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1294-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.293 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel (Live Patch 14 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:1271-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1271-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.65 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel (Live Patch 7 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1284-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1284-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.25 fixes various security issues The following security issues were fixed: -...

SUSE SLES15 Security Update : kernel (Live Patch 35 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:1258-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1258-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.136 fixes various security issues The following security issues were fixed: ...

SUSE SLES15 Security Update : kernel (Live Patch 20 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:1266-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1266-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.87 fixes various security issues The following security issues were fixed: -...