# CVE-2022-50047: linux: In the Linux kernel, the following vulnerability has been resolved:  net: dsa: mv88e6060: prevent crash on an unused...

CVE-2022-50047 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50047, released June 18, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50047
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0019
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 18, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: dsa: mv88e6060: prevent crash on an unused port  If the port isn't a CPU port nor a user port, 'cpu_dp' is a null pointer and a crash happened on dereferencing it in mv88e6060_setup_port():  [    9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014 ... [    9.942216]  mv88e6060_setup from dsa_register_switch+0x814/0xe84 [    9.948616]  dsa_register_switch from mdio_probe+0x2c/0x54 [    9.954433]  mdio_probe from really_probe.part.0+0x98/0x2a0 [    9.960375]  really_probe.part.0 from driver_probe_device+0x30/0x10c [    9.967029]  driver_probe_device from __device_attach_driver+0xb8/0x13c [    9.973946]  __device_attach_driver from bus_for_each_drv+0x90/0xe0 [    9.980509]  bus_for_each_drv from __device_attach+0x110/0x184 [    9.986632]  __device_attach from bus_probe_device+0x8c/0x94 [    9.992577]  bus_probe_device from deferred_probe_work_func+0x78/0xa8 [    9.999311]  deferred_probe_work_func from process_one_work+0x290/0x73c [   10.006292]  process_one_work from worker_thread+0x30/0x4b8 [   10.012155]  worker_thread from kthread+0xd4/0x10c [   10.017238]  kthread from ret_from_fork+0x14/0x3c

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.2-1 | [DEBIAN-CVE-2022-50047](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50047.md) | Jun 18, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.2-1 | [DEBIAN-CVE-2022-50047](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50047.md) | Jun 18, 2025 |
| Linux | linux Debian 14 | 6.0.2-1 | [DEBIAN-CVE-2022-50047](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50047.md) | Jun 18, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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