CVE-2026-31523

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-31523
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: ensure we're polling a polled queue A user can change the polled queue count at run time. There's a brief window during a reset where a hipri task may try to poll that queue before the block layer has updated the queue maps, which would race with the now interrupt driven queue and may cause double completions.

4.7 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d Patch
https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a Patch
https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324 Patch
https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da Patch
https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d Patch
https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21 Patch
https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3 Patch
https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
History

28 Apr 2026, 18:09

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d - () https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d - Patch
References () https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a - () https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a - Patch
References () https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324 - () https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324 - Patch
References () https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da - () https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da - Patch
References () https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d - () https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d - Patch
References () https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21 - () https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21 - Patch
References () https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3 - () https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3 - Patch
References () https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da - () https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da - Patch
CWE CWE-367
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.7
CPE cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

22 Apr 2026, 14:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-22 14:16

Updated : 2026-04-28 18:09

NVD link : CVE-2026-31523

Mitre link : CVE-2026-31523

CVE.ORG link : CVE-2026-31523

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition