The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject non-8-byte     ATOMIC_WRITE payloads atomic_write_reply() at drivers/infiniband/sw/rxe/rxe_resp.c unconditionally     dereferences 8 bytes at payload_addr(pkt): value = *(u64 *)payload_addr(pkt); check_rkey() previously     accepted an ATOMIC_WRITE request with pktlen == resid == 0 because the length validation only compared     pktlen against resid. A remote initiator that sets the RETH length to 0 therefore reaches     atomic_write_reply() with a zero-byte logical payload, and the responder reads sizeof(u64) bytes from past     the logical end of the packet into skb->head tailroom, then writes those 8 bytes into the attacker's MR     via rxe_mr_do_atomic_write(). That is a remote disclosure of 4 bytes of kernel tailroom per probe (the     other 4 bytes are the packet's own trailing ICRC). IBA oA19-28 defines ATOMIC_WRITE as exactly 8 bytes.
    Anything else is protocol-invalid. Hoist a strict length check into check_rkey() so the responder never     reaches the unchecked dereference, and keep the existing WRITE-family length logic for the normal RDMA     WRITE path. Reproduced on mainline with an unmodified rxe driver: a sustained zero-length ATOMIC_WRITE     probe repeatedly leaks adjacent skb head-buffer bytes into the attacker's MR, including recognisable     kernel strings and partial kernel-direct-map pointer words. With this patch applied the responder rejects     the PDU and the MR stays all-zero. (CVE-2026-46114)

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Linux Distros Unpatched Vulnerability : CVE-2026-46114

medium Nessus Plugin ID 317560

Version 1.2