CVE-2026-98366 RDMA/rxe: validate access flags before swapping the MR's PD

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: validate access flags before swapping the MR's PD rxereregusermr reassigns mr-ibmr.pd first and only then validates the IBMRREREGACCESS argument: if flags & IBMRREREGPD rxeputoldpd; rxegetpd; mr-ibmr.pd = ibpd; if flags...

EUVD-2026-93351

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: validate access flags before swapping the MR's PD rxereregusermr reassigns mr-ibmr.pd first and only then validates the IBMRREREGACCESS argument: if flags & IBMRREREGPD rxeputoldpd; rxegetpd; mr-ibmr.pd = ibpd; if flags...

CVE-2026-98366: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: validate access flags before swapping the MR's PD rxereregusermr reassigns mr-ibmr.pd first and only then validates the IBMRREREGACCESS argument: if flags & IBMRREREGPD rxeputoldpd; rxegetpd; mr-ibmr.pd = ibpd; if flags...

SUSE CVE-2026-43241

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix array-index-out-of-bounds access Number of MW LUTs depends on NTB configuration and can be set to MAXMWS, This patch protects against invalid index out of bounds access to mwsizes When invalid access prin...

CVE-2026-43241

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix array-index-out-of-bounds access Number of MW LUTs depends on NTB configuration and can be set to MAXMWS, This patch protects against invalid index out of bounds access to mwsizes When invalid access prin...

CVE-2026-43241

CVE-2026-43241 affects the Linux kernel component ntb_hw_switchtec. The root cause is an array-index-out-of-bounds access related to the number of MW LUTs (dependent on NTB configuration) which can access mw_sizes incorrectly. A patch was applied to guard against invalid index accesses and to pri...

CVE-2026-43241 ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix array-index-out-of-bounds access Number of MW LUTs depends on NTB configuration and can be set to MAXMWS, This patch protects against invalid index out of bounds access to mwsizes When invalid access prin...

CVE-2026-43241

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix array-index-out-of-bounds access Number of MW LUTs depends on NTB configuration and can be set to MAXMWS, This patch protects against invalid index out of bounds access to mwsizes When invalid access prin...

CVE-2026-43141

Summary : CVE-2026-43141 affects the Linux kernel ntb_hw_switchtec code, where the number of MW LUTs can be configured to zero. In that scenario, a call to rounddown_pow_of_two could trigger undefined behavior. The patch ensures rounddown_pow_of_two is only applied to a valid value. Impact : Unde...

CVE-2026-43141

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddownpowoftwo will cause undefined behaviour and should not be performed. This...

Linux Kernel Security Vulnerabilities

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 the rounddownpowoftwo function in the ntbhwswitchtec driver, where an out-of-bound shift occurs when th...

RLSA-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...

PT-2026-37481

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A shift-out-of-bounds issue exists in the ntb hw switchtec component of the Non-Transparent Bridge NTB subsystem. When the number of Memory Window MW Look-Up Tables LUTs is set to zero...

PT-2026-37581

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An array-index-out-of-bounds access exists in the ntb hw switchtec component of the Non-Transparent Bridge NTB subsystem. The number of Mirror Window MW Look-Up Tables LUTs depends on th...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt 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...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993253)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993253 advisory. In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992666)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992666 advisory. In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API...

ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans

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SUSE CVE-2023-53034

In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API ntbmwcleartrans would pass 0 to both addr and size. This would make xlatepos negative. 23.734156 switchtec switchtec0: MW 0: part 0 addr...

DEBIAN-CVE-2023-53034

In the Linux kernel, the following vulnerability has been resolved: ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettrans There is a kernel API ntbmwcleartrans would pass 0 to both addr and size. This would make xlatepos negative. 23.734156 switchtec switchtec0: MW 0: part 0 addr...