K000161576: Linux kernel vulnerabilities CVE-2025-39841 and CVE-2025-39727

Security Advisory Description CVE-2025-39841 In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by correcting the buffer release sequence in the deferred receive path. The code freed the ...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006725)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006725 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by...

Siemens SCALANCE and RUGGEDCOM Improper Input Validation (CVE-2025-39841)

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by correcting the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

RHEL 9 : kernel (RHSA-2025:22999)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22999 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actct: fix skb lea...

RHEL 9 : kernel-rt (RHSA-2025:22995)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22995 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : kernel-rt (RHSA-2025:22997)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22997 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...

RHEL 10 : kernel (RHSA-2025:21118)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21118 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: dochangetype: refuse to...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fixed the buffer release/clearing order in the deferred receive path. A use-after-free condition was addressed by correcting the buffer release sequence in the deferred receive path. The code first released the RQ...

kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path

A use-after-free vulnerability exists in the linux kernel such that the buffer release sequence in the deferred receive path. The code freed the RQ buffer first and only then cleared the context pointer under the lock...