---
id: CVE-2026-93037
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  RDMA/hfi1: Propagate sdma_txinit_ahg() errors

  set_txreq_header_ahg() ignores the return value of sdma_txinit_ahg().

  If sdma_txinit_ahg() fails, it returns before init…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  RDMA/hfi1: Propagate sdma_txinit_ahg() errors

  set_txreq_header_ahg() ignores the return value of sdma_txinit_ahg().

  If sdma_txinit_ahg() fails, it returns before init…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    cb73c2fe6e9cf563c99f22b7c8bca0d5f70d603e
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    122a730675565ff2ad210537c3fc3afb8291d482
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    bf974994150cfd14bfc599748925f4d426e00d90
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    fd6dee13f3857259b6b2ddd28e1ed95fd94ae2f9
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    5b7cefffd15d87c8103865f887cdcf9077d8094b
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    3416db552eb378e54cb2f2ce0db5f0df88654bda
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    ca99431820e8cac19f6a091c04da54cbe8d64f52
  - >-
    Linux >= e3304b7cc4f14d365f46d6847a35563ae8b017f7 <
    091c6162c022cbdfb64219708a71728cfd1d4600
  - Linux 4.14
published: '2026-09-17'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T18:18:18.580'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93037'
references:
  - url: 'https://git.kernel.org/stable/c/091c6162c022cbdfb64219708a71728cfd1d4600'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/122a730675565ff2ad210537c3fc3afb8291d482'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/3416db552eb378e54cb2f2ce0db5f0df88654bda'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5b7cefffd15d87c8103865f887cdcf9077d8094b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/bf974994150cfd14bfc599748925f4d426e00d90'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ca99431820e8cac19f6a091c04da54cbe8d64f52'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/cb73c2fe6e9cf563c99f22b7c8bca0d5f70d603e'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fd6dee13f3857259b6b2ddd28e1ed95fd94ae2f9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93037.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-93037'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2536464'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-93037'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93037'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93037.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00169
epssPercentile: 0.06196
ingestedAt: '2026-09-17T16:21:47.775Z'
cwe:
  - CWE-824
scores:
  nvd: 7.8
  vendor: 5.5
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

RDMA/hfi1: Propagate sdma_txinit_ahg() errors

set_txreq_header_ahg() ignores the return value of sdma_txinit_ahg().

If sdma_txinit_ahg() fails, it returns before initializing tx->txreq.
However, set_txreq_header_ahg() ignores the error and returns the AHG
change count, causing the caller to continue processing the request as
though initialization had succeeded.

Propagate sdma_txinit_ahg() failures to the caller and abort request
processing when initialization fails.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93037.json)