CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2026-20919

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...

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 9.0 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...

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...

RHEL 8 : kernel (RHSA-2026:0536)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0536 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-fre...

RHEL 9 : kernel (RHSA-2026:0576)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:0576 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: prevent deadlock b...

CVE-2026-20934

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...

CVE-2026-20927

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to deny service over a network...

CVE-2026-20926

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...

CVE-2026-20848 Windows SMB Server Elevation of Privilege Vulnerability

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CVE-2026-20848

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to elevate privileges over a network...

CVE-2026-20934

Technical details about CVE-2026-20934 are not publicly provided in the supplied connected documents. Monitor for updates from Microsoft and security advisories.

CVE-2026-20927

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows SMB Server allows an authorized attacker to deny service over a network...

CVE-2026-20926 Windows SMB Server Elevation of Privilege Vulnerability

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CVE-2026-20927

CVE-2026-20927 affects Windows SMB Server and is described as a race-condition in a shared resource that can allow an authorized attacker to cause a denial of service over the network. The connected Nessus NASL entries list this CVE under Windows SMB Server with a 5.3 base score (Denial-of-Servic...