Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans CVE-2023-53034 kernel: smc: Fix use-after-free in pnetfindbasendev CVE-2025-40064 kernel: Linux kernel: Out-of-bounds wri...

ALSA-2026:2722 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans CVE-2023-53034 kernel: smc: Fix use-after-free in pnetfindbasendev CVE-2025-40064 kernel: Linux kernel: Out-of-bounds wri...

RHEL 9 : kernel (RHSA-2026:2722)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2722 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ntbhwswitchtec: Fix...

Siemens SIMATIC S7-1500 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CVE-2025-39697)

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfslockandjoinrequests tests for whether the request is still attached to the mapping, nothing prevents a call to nfsinoderemoverequest from succeeding until we actually lock...

Oracle Linux 10 : kernel (ELSA-2026-2721)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-2721 advisory. - nvme-tcp: fix NULL pointer dereferences in nvmettcpbuildpduiovec CKI Backport Bot RHEL-144335 CVE-2026-22998 - smc: Fix use-after-free in...

RLSA-2026:2264 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps CVE-2025-40170 kernel: ipv6: use RCU in ip6xmit...

CVE-2026-23189

CVE-2026-23189 concerns a NULL pointer dereference in ceph_mds_auth_match() within the CephFS kernel client. The patch reworks ceph_mdsmap_decode() and namespace_equals() so that ceph_mdsmap contains an extracted FS name (m_fs_name) and the code path uses this value for strict authorization check...

CVE-2026-23189 ceph: fix NULL pointer dereference in ceph_mds_auth_match()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix NULL pointer dereference in cephmdsauthmatch The CephFS kernel client has regression starting from 6.18-rc1. We have issue in cephmdsauthmatch if fsname == NULL: const char fsname = mdsc-fsc-mountoptions-mdsnamespace;...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

CVE-2026-23145 ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref

In the Linux kernel, the following vulnerability has been resolved: ext4: fix iloc.bh leak in ext4xattrinodeupdateref The error branch for ext4xattrinodeupdateref forget to release the refcount for iloc.bh. Find this when review code...

Linux Distros Unpatched Vulnerability : CVE-2026-23181

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: sync read disk super and set block size When the user performs a btrfs mount, the block device is not set correctly. The user sets the block size of the...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper handling of empty file system names, potentially leading to null pointer dereferencing...

USN-8033-4: Linux kernel (AWS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-7988-5: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - NVME drivers; - File systems infrastructure; - Timer subsystem; - Memory management; - Packet...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

USN-8034-1 linux-nvidia-tegra, linux-nvidia-tegra-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-3 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...