# CVE-2024-42224: linux: In the Linux kernel, the following vulnerability has been resolved:  net: dsa: mv88e6xxx: Correct check for empty lis...

CVE-2024-42224 is fixed in 40 products on 1 platform, first by DEBIAN-CVE-2024-42224, released July 30, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-42224
- Priority: Routine
- CVSS: 6.1 (medium)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 30, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: dsa: mv88e6xxx: Correct check for empty list  Since commit a3c53be55c95 ("net: dsa: mv88e6xxx: Support multiple MDIO busses") mv88e6xxx_default_mdio_bus() has checked that the return value of list_first_entry() is non-NULL.  This appears to be intended to guard against the list chip->mdios being empty.  However, it is not the correct check as the implementation of list_first_entry is not designed to return NULL for empty lists.  Instead, use list_first_entry_or_null() which does return NULL if the list is empty.  Flagged by Smatch. Compile tested only.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | bpftool ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.22.1.150600.12.8.3 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.22.1.150600.12.8.3 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_2 sles 15.6 | 1-150600.1.3.2 | [SUSE-SU-2024:3195-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3195-1.md) | Sep 10, 2024 |
| Linux | kernel-livepatch-SLE15-SP6_Update_4 sles 15.6 | 1-150600.13.3.3 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.8.3 | [SUSE-SU-2024:3195-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3195-1.md) | Sep 10, 2024 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.8.3 | [SUSE-SU-2024:3195-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3195-1.md) | Sep 10, 2024 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.8.3 | [SUSE-SU-2024:3195-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3195-1.md) | Sep 10, 2024 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.11.1 | [SUSE-SU-2024:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3194-1.md) | Sep 10, 2024 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.8.1 | [SUSE-SU-2024:3195-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3195-1.md) | Sep 10, 2024 |
| Linux | kernel-uek ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek ol 8 | 0:5.4.17-2136.335.4.el8uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-container ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-container ol 8 | 0:5.4.17-2136.335.4.el8 | [ELSA-2024-12612](https://patchblox.com/security/data/fix/linux/elsa-2024-12612.md) | Sep 11, 2024 |
| Linux | kernel-uek-container ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-container-debug ol 8 | 0:5.4.17-2136.335.4.el8 | [ELSA-2024-12612](https://patchblox.com/security/data/fix/linux/elsa-2024-12612.md) | Sep 11, 2024 |
| Linux | kernel-uek-container-debug ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-core ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-core ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug ol 8 | 0:5.4.17-2136.335.4.el8uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek-debug ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-core ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-core ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-devel ol 8 | 0:5.4.17-2136.335.4.el8uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek-debug-devel ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-modules ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-modules ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-modules-extra ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-debug-modules-extra ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-devel ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-devel ol 8 | 0:5.4.17-2136.335.4.el8uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek-devel ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-doc ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-doc ol 8 | 0:5.4.17-2136.335.4.el8uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek-doc ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-modules ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-modules ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-modules-extra ol 8 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-modules-extra ol 9 | 0:5.15.0-210.163.7.el9uek | [ELSA-2024-12618](https://patchblox.com/security/data/fix/linux/elsa-2024-12618.md) | Sep 12, 2024 |
| Linux | kernel-uek-tools ol 8 | 0:5.4.17-2136.335.4.el7uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-uek-tools-libs ol 8 | 0:5.4.17-2136.335.4.el7uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.22.1 | [SUSE-SU-2024:3383-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-3383-1.md) | Sep 23, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.98-1 | [DEBIAN-CVE-2024-42224](https://patchblox.com/security/data/fix/linux/debian-cve-2024-42224.md) | Jul 30, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.9.9-1 | [DEBIAN-CVE-2024-42224](https://patchblox.com/security/data/fix/linux/debian-cve-2024-42224.md) | Jul 30, 2024 |
| Linux | linux Debian 14 | 6.9.9-1 | [DEBIAN-CVE-2024-42224](https://patchblox.com/security/data/fix/linux/debian-cve-2024-42224.md) | Jul 30, 2024 |
| Linux | perf ol 8 | 0:5.4.17-2136.335.4.el7uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |
| Linux | python-perf ol 8 | 0:5.4.17-2136.335.4.el7uek | [ELSA-2024-12610](https://patchblox.com/security/data/fix/linux/elsa-2024-12610.md) | Sep 10, 2024 |

---

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