OESA-2026-3204 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Use devmkmemdup in rtwsetsupportedband Simplify the code by using device managed memory allocations. This also fixes a memory leak in rtwregisterhw...

Oracle Linux 9 : kernel (ELSA-2026-47040)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47040 advisory. - blk-mq: reinsert cached request to the list CKI Backport Bot RHEL-213163 CVE-2026-64017 - blk-mq: pop cached request if it is usable CKI Backport Bo...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

The vulnerability of the build_report() function in the net/xfrm/xfrm_user.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the buildreport function in the net/xfrm/xfrmuser.c module of the Linux kernel is related to the use of an uninitialized resource. Exploiting this vulnerability could allow an attacker to cause a service failure...

RHEL 9 : kernel (RHSA-2026:47739)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47739 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/amd/display: Do not skip...

RHEL 9 : kernel-rt (RHSA-2026:47632)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47632 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

CVE-2026-64525

A flaw was found in the Linux kernel's xfrm IPSec framework component. An issue with improper RCU Read-Copy-Update synchronization in the xfrmpolicyfini function, specifically the serial execution of synchronizercu for each network namespace during cleanup, can lead to a Denial of Service DoS...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

RHEL 8 : kernel (RHSA-2026:47869)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47869 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86: Don't recheck L1...

USN-8617-1 linux-kvm vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8617-1: Linux kernel (KVM) vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

kernel security update

An update is available for kernel. This update affects Rocky Linux SIG Cloud 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

Linux Distros Unpatched Vulnerability : CVE-2026-64525

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against...

CVE-2026-64525

In the Linux kernel, the following vulnerability has been resolved: xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit methods using blocking...

RockyLinux 8 : kernel-rt (RLSA-2026:45116)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:45116 advisory. kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly limited kernel: ...

SUSE CVE-2026-64525

In the Linux kernel, the following vulnerability has been resolved: xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit methods using blocking...