The vulnerability of the smbd_negotiate() function in the fs/smb/client/smbdirect.c module, which is part of the SMB client support in Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the smbdnegotiate function in the fs/smb/client/smbdirect.c module, which is part of the SMB client support in Linux operating systems, is related to improper memory release memory leak. Exploiting this vulnerability could allow a remote attacker to cause service interruption...

LSN-0118-1 Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in async decryption Doing an async decryption large read crashes with a slab-use-after-free way down in the crypto API. In the Linux kernel, the following vulnerability has been resolved: padata: avoid UAF fo...

RHEL 8 : kernel (RHSA-2026:3360)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3360 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/core: Fix KASAN:...

RHEL 9 : kernel-rt (RHSA-2026:3358)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3358 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

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

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

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

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

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

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0587-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0587-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-5401...

SUSE CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

UBUNTU-CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230 smb: client: split cached_fid bitfields to avoid shared-byte RMW races

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230 smb: client: split cached_fid bitfields to avoid shared-byte RMW races

In the Linux kernel, the following vulnerability has been resolved: smb: client: split cachedfid bitfields to avoid shared-byte RMW races isopen, haslease and onlist are stored in the same bitfield byte in struct cachedfid but are updated in different code paths that may run concurrently. Bitfiel...

CVE-2026-23230

CVE-2026-23230 is a Linux kernel local race in the SMB/CIFS client code where cached_fid bitfields (is_open, has_lease, on_list) were updated via concurrent paths, causing read–modify–write races. The root cause is that these three flags shared a single byte, so an update to one could overwrite o...