Updated: 2026-02-27 03:22:18.799597
Description:
In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: fix double-free on mc_dev The blamed commit tried to simplify how the deallocations are done but, in the process, introduced a double-free on the mc_dev variable. In case the MC device is a DPRC, a new mc_bus is allocated and the mc_dev variable is just a reference to one of its fields. In this circumstance, on the error path only the mc_bus should be freed. This commit introduces back the following checkpatch warning which is a false-positive. WARNING: kfree(NULL) is safe and this check is probably not required + if (mc_bus) + kfree(mc_bus);
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | HIGH | 7.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-29 07:28:30 | Not affected: CVE-2025-38313 is confined to the Freescale/NXP DPAA2 fsl-mc bus driver (drivers/bus/f... | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-29 07:28:31 | Not affected: CVE-2025-38313 targets the Freescale/NXP DPAA2 Management Complex bus driver (drivers/... | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-29 07:28:32 | Not affected: CVE-2025-38313 targets the Freescale/NXP DPAA2 Management Complex bus driver (drivers/... | |
| CentOS Stream 8 ELS | kernel | 4.18.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-29 07:28:29 | Not affected: CVE-2025-38313 targets the Freescale/NXP DPAA2 Management Complex bus driver (drivers/... | |
| Oracle Linux 7 ELS | kernel-uek | 5.4.17 | 7.8 | HIGH | Released | CLSA-2025:1757963029 | 2025-09-16 11:19:46 | |
| TuxCare 9.6 ESU | kernel | 5.14.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-29 07:28:30 | Not affected: CVE-2025-38313 is confined to the Freescale/NXP DPAA2 fsl-mc bus driver (drivers/bus/f... | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 7.8 | HIGH | Needs Triage | 2025-12-28 07:07:15 | ||
| Ubuntu 18.04 ELS | linux | 4.15.0 | 7.8 | HIGH | Needs Triage | 2025-12-28 07:19:01 | ||
| Ubuntu 20.04 ELS | linux | 5.4.0 | 7.8 | HIGH | Not Vulnerable | 2025-12-31 06:51:06 | Not affected: the vulnerable code path is in the NXP/QorIQ DPAA2 fsl-mc bus (drivers/bus/fsl-mc, con... |