---
id: CVE-2026-89849
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  scsi: qla2xxx: Reject non-SCSI SRB on status IOCB fast path

  qla2x00_status_entry() filters out non-TYPE_SRB entries and the
  SRB_NVME_CMD, SRB_BIDI_CMD and SRB_TM_CMD t…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  scsi: qla2xxx: Reject non-SCSI SRB on status IOCB fast path

  qla2x00_status_entry() filters out non-TYPE_SRB entries and the
  SRB_NVME_CMD, SRB_BIDI_CMD and SRB_TM_CMD t…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    9204fb0888374083be74f799049649a17eab4191
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    b7418198b45b327194b97f856fe8ea8daa91f3fd
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    8f0e31e7a41376abe7d6ca7cbee07fcf9de071e6
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    e38041b47c29316ba79b645e2ae0b713d216b1db
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    e93aa3c5125d9a4352ac0fa8ba4a7f8f87881805
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    29f1f9ad9e354cd0b6e4f6fc75ba09162d6a04d9
  - >-
    Linux >= dd30706e73b70d67e88fdaca688db7a3374fd5de <
    0f41d07d72f2245208c45374ca8d0a1846cad667
  - Linux 5.15
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T15:18:13.230'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89849'
references:
  - url: 'https://git.kernel.org/stable/c/0f41d07d72f2245208c45374ca8d0a1846cad667'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/29f1f9ad9e354cd0b6e4f6fc75ba09162d6a04d9'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8f0e31e7a41376abe7d6ca7cbee07fcf9de071e6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/9204fb0888374083be74f799049649a17eab4191'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b7418198b45b327194b97f856fe8ea8daa91f3fd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e38041b47c29316ba79b645e2ae0b713d216b1db'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e93aa3c5125d9a4352ac0fa8ba4a7f8f87881805'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-16T10:53:53.995Z'
epss: 0.00423
epssPercentile: 0.33855
---

## Overview

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

scsi: qla2xxx: Reject non-SCSI SRB on status IOCB fast path

qla2x00_status_entry() filters out non-TYPE_SRB entries and the
SRB_NVME_CMD, SRB_BIDI_CMD and SRB_TM_CMD types, then falls through to a
SCSI fast path that assumes the command is an SRB_SCSI_CMD. The first
thing on that path, qla_chk_edif_rx_sa_delete_pending(), and the
subsequent handling both evaluate GET_CMD_SP(sp), i.e. sp->u.scmd.cmd.

The srb u union overlays the SCSI command pointer with other command
layouts (bsg_job, iocb_cmd). If firmware delivers an unexpected
STATUS_TYPE IOCB for a non-SCSI handle, sp->u.scmd.cmd can read as a
non-NULL garbage pointer, bypassing the NULL checks in
qla_chk_edif_rx_sa_delete_pending() and at the cp == NULL test, and
leading to a wild pointer dereference.

Reject any SRB whose type is not SRB_SCSI_CMD before entering the fast
path. The outstanding_cmds slot is left untouched so a genuinely
non-SCSI command still completes through its proper handler.

## Remediation

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