CVE-2026-31523

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < 965e2c943f065122f14282a88d70a8a92e12a4daaffected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < ba167d5982e2eb6ff9356d409eca592ce99555daaffected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < 0685dd9cb855ab77fcf3577b4702ba1d6df1c98daffected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < 6f12734c4b619f923a4df0b1a46b8098b187d324affected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < acbc72dd1a09df53cafcf577259f4678be6afd6daffected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3affected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < b222680ba55e018426c4535067a008f1d81a5d21affected
LinuxLinux4b04cc6a8f86c4842314def22332de1f15de8523 < 166e31d7dbf6aa44829b98aa446bda5c9580f12aaffected
LinuxLinux5.0affected
LinuxLinux0 < 5.0unaffected
LinuxLinux5.10.253 <= 5.10.*unaffected
LinuxLinux5.15.203 <= 5.15.*unaffected
LinuxLinux6.1.168 <= 6.1.*unaffected
LinuxLinux6.6.131 <= 6.6.*unaffected
LinuxLinux6.12.80 <= 6.12.*unaffected
LinuxLinux6.18.21 <= 6.18.*unaffected
LinuxLinux6.19.11 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References