CVE-2026-13087

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CVE-2026-13087

A heap out-of-bounds write vulnerability exists in the Linux kernel 's RPC-over-RDMA server reply path specifically in net/sunrpc/xprtrdma/svc_rdma_sendto.c. The flaw occurs when a crafted RPC-over-RDMA client sends a large NFS READ request with an empty Write list and no Reply chunk; the server ...

EUVD-2026-84560

A heap out-of-bounds write vulnerability was found in the Linux kernel's RPC-over-RDMA server reply path in net/sunrpc/xprtrdma/svcrdmasendto.c. When a crafted RPC-over-RDMA client sends a large NFS READ request with an empty Write list and no Reply chunk, the server linearizes the entire...

CVE-2026-13087 Kernel: heap out-of-bounds write in the linux kernel rpc-over-rdma server reply path...

A heap out-of-bounds write vulnerability was found in the Linux kernel's RPC-over-RDMA server reply path in net/sunrpc/xprtrdma/svcrdmasendto.c. When a crafted RPC-over-RDMA client sends a large NFS READ request with an empty Write list and no Reply chunk, the server linearizes the entire...

CVE-2026-13087

A heap out-of-bounds write vulnerability was found in the Linux kernel's RPC-over-RDMA server reply path in net/sunrpc/xprtrdma/svcrdmasendto.c. When a crafted RPC-over-RDMA client sends a large NFS READ request with an empty Write list and no Reply chunk, the server linearizes the entire...

SUSE CVE-2026-90307

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: fix heap information leak on a truncated SRPCREDREQ srprecvdone passes wc-bytelen to srpprocessrsp. It passes nothing to srpprocesscredreq and srpprocessaerreq, which read fixed-size fields from the receive buffer witho...

SUSE CVE-2026-90416

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix stack out-of-bounds read in ccparams debugfs getparam reads a congestion parameter as a u32 but formats it with the signed "%d" into an 11-byte stack buffer. A value with bit 31 set, such as 0x80000000, renders as...

SUSE CVE-2026-90435

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix integer overflow of user QP buffer size setuserbufsize computes the QP buffer size by left-shifting the user-supplied rq.wqecnt and rq.wqeshift values as signed integers. A sufficiently large rq.wqecnt causes signe...

SUSE CVE-2026-92488

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: complete object teardown when the destroy command fails erdmadestroyqp, erdmadestroycq, erdmaderegmr, and erdmadestroyah returned early when erdmapostcmdwait failed, leaking the queue buffers, MTTs, doorbells and the...

SUSE CVE-2026-92495

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Clear VMMAYWRITE on DBR/toggle page mmap bnxtremmap rejects VMWRITE for the DBRPAGE and TOGGLEPAGE mmap flags, but a read-only mapping can still retain VMMAYWRITE. nd later be upgraded with mprotectPROTWRITE. This ca...

SUSE CVE-2026-92510

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibdestroysrquser When accessing a SRQ via the netlink path the only synchronization mechanism for the said SRQ is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of...

SUSE CVE-2026-92511

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix potential use after free in ibdestroycquser When accessing a CQ via the netlink path the only synchronization mechanism for the said CQ is rdmarestrackget. Currently, rdmarestrackdel is invoked at the end of...

SUSE CVE-2026-92513

In the Linux kernel, the following vulnerability has been resolved: RDMA/manaib: drain QP references after partial table insertion manatablestoreudqp publishes a QP at its send-queue id before inserting the receive-queue id, dropping the XArray lock between the two xainsertirq calls. A concurrent...

SUSE CVE-2026-92514

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix CEQ tasklet use-after-free on removal Each CEQ interrupt handler only schedules eqc-tasklet. The tasklet calls erdmaceqcompletionhandler, which reads the DMA-coherent EQ ring through getnextvalideqe and updates...

SUSE CVE-2026-92523

In the Linux kernel, the following vulnerability has been resolved: RDMA/nldev: validate dynamic counter attribute length RDMANLDEVATTRSTATHWCOUNTERS is a nested attribute whose children are consumed directly with nlagetu32. The top-level policy validates only the container, so it does not...

SUSE CVE-2026-93037

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Propagate sdmatxinitahg errors settxreqheaderahg ignores the return value of sdmatxinitahg. If sdmatxinitahg fails, it returns before initializing tx-txreq. However, settxreqheaderahg ignores the error and returns the...

SUSE CVE-2026-93104

In the Linux kernel, the following vulnerability has been resolved: RDMA/rvt: Return NULL after port allocation failure rvtallocdevice deallocates the IB device when its port array cannot be allocated but then returns the pointer to the released allocation. Callers treat any non-NULL value as val...

SUSE CVE-2026-93151

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: fix response resource leak on queue teardown When an nvme target with rdma transport is removed while I/Os are in flight, a response can be posted but its send completion is never delivered before the connection is to...

SUSE CVE-2026-93153

In the Linux kernel, the following vulnerability has been resolved: RDMA/bngre: return a timeout when firmware responses stall waitforresp documents that it returns a non-zero error when a firmware command does not complete, and bngrercfwsendmessage already marks the firmware as stalled when the...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...