Updated: 2025-11-10 02:21:01.310849
Description:
In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes more complicated when there is incorrect shutdown ordering of the supplicant process vs the OP-TEE client application which can eventually lead to system hang-up waiting for the closure of the client application. Allow the client process waiting in kernel for supplicant response to be killed rather than indefinitely waiting in an unkillable state. Also, a normal uninterruptible wait should not have resulted in the hung-task watchdog getting triggered, but the endless loop would. This fixes issues observed during system reboot/shutdown when supplicant got hung for some reason or gets crashed/killed which lead to client getting hung in an unkillable state. It in turn lead to system being in hung up state requiring hard power off/on to recover.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 5.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:54:42 | This is a local-only availability issue confined to the kernel’s OP-TEE path: it requires an ARM T... | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:54:43 | ||
| CentOS 8.5 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:54:44 | ||
| CentOS Stream 8 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:54:42 | ||
| Oracle Linux 7 ELS | kernel-uek | 5.4.17 | 5.5 | MEDIUM | Released | CLSA-2025:1746479711 | 2025-05-08 04:11:23 | |
| TuxCare 9.6 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:54:43 | Deprioritize this CVE because it only applies when the kernel is built with the OP-TEE driver and a ... | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:56:29 | ||
| Ubuntu 18.04 ELS | linux | 4.15.0 | 5.5 | MEDIUM | Ignored | 2025-06-13 04:11:13 | Ignored due to low severity | |
| Ubuntu 20.04 ELS | linux | 5.4.0 | 5.5 | MEDIUM | Ignored | 2025-11-05 04:56:02 |