Critical · published May 2, 2025
In the Linux kernel, the following vulnerability has been resolved:
nvmet: avoid potential UAF in nvmet_req_complete()
An nvme target ->queue_response() operation implementation may free the
request passed as argument. Such implementation potentially could result
in a use after free of the request pointer when percpu_ref_put() is
called in nvmet_req_complete().
Avoid such problem by using a local variable to save the sq pointer
before calling __nvmet_req_complete(), thus avoiding dereferencing the
req pointer after that function call.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | ≥ 4.8, < 4.14.311 | 4.14.311 |
| linux/linux_kernel | ≥ 4.15, < 4.19.279 | 4.19.279 |
| linux/linux_kernel | ≥ 4.20, < 5.4.238 | 5.4.238 |
| linux/linux_kernel | ≥ 5.5, < 5.10.176 | 5.10.176 |
| linux/linux_kernel | ≥ 5.11, < 5.15.104 | 5.15.104 |
| linux/linux_kernel | ≥ 5.16, < 6.1.21 | 6.1.21 |
| linux/linux_kernel | ≥ 6.2, < 6.2.8 | 6.2.8 |
| linux/linux_kernel | all versions | — |
| linux/linux_kernel | all versions | — |