# CVE-2022-48779: linux: In the Linux kernel, the following vulnerability has been resolved:  net: mscc: ocelot: fix use-after-free in ocelot_...

CVE-2022-48779 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48779, released July 16, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-48779
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 16, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: mscc: ocelot: fix use-after-free in ocelot_vlan_del()  ocelot_vlan_member_del() will free the struct ocelot_bridge_vlan, so if this is the same as the port's pvid_vlan which we access afterwards, what we're accessing is freed memory.  Fix the bug by determining whether to clear ocelot_port->pvid_vlan prior to calling ocelot_vlan_member_del().

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.16.11-1 | [DEBIAN-CVE-2022-48779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48779.md) | Jul 16, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.16.11-1 | [DEBIAN-CVE-2022-48779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48779.md) | Jul 16, 2024 |
| Linux | linux Debian 14 | 5.16.11-1 | [DEBIAN-CVE-2022-48779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-48779.md) | Jul 16, 2024 |

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