# CVE-2022-50321: linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: brcmfmac: fix potential memory leak in brc...

CVE-2022-50321 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50321, released September 15, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50321
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 15, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()  The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfree_skb() to fix it. Compile tested only.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.20-1 | [DEBIAN-CVE-2022-50321](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50321.md) | Sep 15, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.20-1 | [DEBIAN-CVE-2022-50321](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50321.md) | Sep 15, 2025 |
| Linux | linux Debian 14 | 6.1.20-1 | [DEBIAN-CVE-2022-50321](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50321.md) | Sep 15, 2025 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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