kernel: RDMA/rxe: Fix double free in rxe_srq_from_init

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA subsystem, specifically within the rxe driver. An error in the rxesrqfrominit function's memory management can lead to a double free vulnerability. This occurs when an attempt to copy data to user space fails, causing the sam...

kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

A flaw was found in the Linux kernel's RDMA/mlx4 component. This vulnerability arises from the incorrect use of Read-Copy Update RCU in the mlx4srqevent function. An attacker could potentially trigger an event before the srq object is fully initialized, leading to a system crash. This could resul...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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 available for...

kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path

A flaw was found in the Linux kernel, specifically within the RDMA Remote Direct Memory Access vmwpvrdma module. This vulnerability is a double free, which means the system attempts to release the same memory resource twice. This can occur in an error handling path within the pvrdmaallocucontext...

CVE-2026-53133

A flaw was found in the Linux kernel's RDMA/umem component. When the IOMMU Input/Output Memory Management Unit is used, a very large memory block can be split across multiple scatter-gather SG entries. During the reassembly of these split SG entries, an issue with truncation for block sizes great...

kernel: RDMA/iwcm: Fix workqueue list corruption by removing work_list

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA Internet Wide Area RDMA Protocol iWARP subsystem. Incorrect work submission logic in the iwcm component can lead to multiple queueing of work items. This allows a work item to be processed and freed while still present in the...

EUVD-2026-39338

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix truncation for block sizes = 4G When the iommu is used the linearization of the mapping can give a single block that is very large split across multiple SG entries. When rdmablockiternext reassembles the split SG...

CVE-2026-53187

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate cpuid against nrcpuids in DMAH alloc The cpuid attribute supplied by user space through UVERBSATTRALLOCDMAHCPUID is passed directly to cpumasktestcpu without first verifying that the value is within the valid...

EUVD-2026-39267

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

SUSE CVE-2026-52908

In the Linux kernel, the following vulnerability has been resolved: RDMA: During reregmr ensure that REREGACCESS is compatible If IBMRREREGACCESS changes from RO to RW then the umem has to be re-evaluated to ensure it is properly pinned as RW. Since the umem is hidden inside each driver's mr stru...

CVE-2026-52908 RDMA: During rereg_mr ensure that REREG_ACCESS is compatible

In the Linux kernel, the following vulnerability has been resolved: RDMA: During reregmr ensure that REREGACCESS is compatible If IBMRREREGACCESS changes from RO to RW then the umem has to be re-evaluated to ensure it is properly pinned as RW. Since the umem is hidden inside each driver's mr stru...

kernel: Linux kernel: Denial of service and memory corruption in RDMA umad

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA umad User Mode Access Device component. A local user can exploit this vulnerability by manipulating input, causing an integer underflow that leads to an out-of-bounds memory write. This memory corruption can result in a denia...

kernel: RDMA/rxe: Fix double free in rxe_srq_from_init

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA subsystem, specifically within the rxe driver. An error in the rxesrqfrominit function's memory management can lead to a double free vulnerability. This occurs when an attempt to copy data to user space fails, causing the sam...

kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

A flaw was found in the Linux kernel's RDMA/mlx4 component. This vulnerability arises from the incorrect use of Read-Copy Update RCU in the mlx4srqevent function. An attacker could potentially trigger an event before the srq object is fully initialized, leading to a system crash. This could resul...

kernel: RDMA/rxe: Fix double free in rxe_srq_from_init

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA subsystem, specifically within the rxe driver. An error in the rxesrqfrominit function's memory management can lead to a double free vulnerability. This occurs when an attempt to copy data to user space fails, causing the sam...

SUSE-SU-2026:2332-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks bsc1263790. - CVE-2026-43037: ip6tunnel: clear skb2-cb in ip4ip6err bsc1263995. - CVE-2026-43206:...

ALSA-2026:25120 Critical: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: geneve: Fix use-after-free in genevefinddev. CVE-2025-21858 kernel: smc: Fix use-after-free in tcpwritetimerhandler CVE-2023-53781...

CVE-2026-46265

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix WQMEMRECLAIM warning When sunrpc is used, if a reset triggered, our wq may lead the following trace: workqueue: WQMEMRECLAIM xprtiod:xprtrdmaconnectworker rpcrdma is flushing !WQMEMRECLAIM...

CVE-2026-46112

A flaw was found in the Linux kernel's RDMA/hns component. An issue exists where the hnsroceqpremove function is called without proper locking during an error handling process. This can lead to memory corruption, potentially causing system instability or a denial of service DoS condition. A local...

CVE-2026-46117

A flaw was found in the Linux kernel's RDMA/mana component. A local user could trigger a kernel corruption by providing specific configurations through the user Application Programming Interface uAPI that cause an internal error. This issue arises when Work Queues WQs are specified to share the...