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...

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...

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...

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-2026-46117

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...

CVE-2026-46181

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...

UBUNTU-CVE-2026-46145

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkeylen Sashiko points out that rxhashkeylen comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow...

CVE-2026-46181 RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4srqevent Sashiko points out the radixtree itself is RCU safe, but nothing ever frees the mlx4srq struct with RCU, and it isn't even accessed within the RCU critical section. It also will crash...

CVE-2026-46144 RDMA/mana: Fix error unwind in mana_ib_create_qp_rss()

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix error unwind in manaibcreateqprss Sashiko points out that manaibcfgvportsteering is leaked, the normal destroy path cleans it up...

EUVD-2026-32760

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject unknown opcodes before ICRC processing Even after applying commit 7244491dab34 "RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv", a single unauthenticated UDP packet can still trigger panic. That pat...

CVE-2026-46133 RDMA/rxe: Reject unknown opcodes before ICRC processing

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject unknown opcodes before ICRC processing Even after applying commit 7244491dab34 "RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv", a single unauthenticated UDP packet can still trigger panic. That pat...

CVE-2026-46126

CVE-2026-46126 affects the Linux kernel RDMA/mana component. The issue stems from the error unwind flow in mana_ib_create_qp_rss() cleanup of the Work Queue (WQ) table, leading to improper resource cleanup. Reports identify two bugs: (1) a double i-- in the first failure path of the unwinding loo...

SUSE CVE-2026-46043

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payloadsize in rxercv rxercv currently checks only that the incoming packet is at least headersizepkt bytes long before payloadsize is used. However, payloadsize subtracts both the...