ROS-20260119-7324

A vulnerability in the fs/smb/client/smb2ops.c component of the Linux kernel is related to the lack of division by zero check. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

RHEL 9 : kernel (RHSA-2026:0793)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0793 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/xe: Make dma-fences...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

Important: Red Hat Security Advisory: kernel security update

An update for kernel 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

kernel: smb: client: Fix use-after-free in cifs_fill_dirent

A use-after-free flaw was found in cifsfilldirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem...

Important: 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : kernel-rt (RHSA-2026:0537)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0537 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: client: let smbddestroy call disableworksync&info-postsendcreditswork In smbdDestroy, we may destroy the memory, so it’s better to wait until postsendcreditswork is no longer pending and will never be started again. I actual...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed incorrect index references in smb2compoundop. In smb2compoundop, the loop that processes each command’s response uses incorrect indices when accessing response buffers. This incorrect indexing leads to improper...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: client: fixed a potential use-after-free in smb2queryinfocompound When smb2QueryInfoCompounded attempts to retry, the previously allocated cfid might have been freed during the first attempt. Since the cfid was not reset...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix crypto buffers in non-linear memory The crypto API, through the scatterlist API, expects input buffers to be in linear memory. We handle this by using the cifssgsetbuf helper function, which converts vmalloc’d...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

PT-2026-27668

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description When debug logging is enabled, the cifs set cifscreds function logs the key payload, which exposes the plaintext username and password. Recommendations At the moment, there is no...

PT-2026-20456

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the SMB client implementation related to cached file identifier cached fid bitfields. Specifically, the is open, has lease, and on list flags were stored...

Linux Distros Unpatched Vulnerability : CVE-2023-54076

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent...

CVE-2023-54076

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

UBUNTU-CVE-2023-54076

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076 smb: client: fix missed ses refcounting

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

PT-2025-53074

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s SMB client implementation related to session reference counting. Specifically, the code failed to properly increment session references using the cifs...