What’s Vulnerable › Vulnerabilities

CVE-2024-50171: net: systemport: fix potential memory leak in bcm_sysport_xmit()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-07 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: net: systemport: fix potential memory leak in bcm_sysport_xmit() The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb in case of dma_map_single() fails, add dev_kfree_skb() to fix it.

Affected products

• Linux kernel: before 3.16; from 4.19 before 4.19.323; from 4.20 before 5.4.285; from 5.5 before 5.10.229; from 5.11 before 5.15.170; from 5.16 before 6.1.115 — fixed in 3.16, 4.19.323, 5.10.229, 5.15.170, 5.4.285, 6.1.115

How to fix

Upgrade to a fixed version: Linux kernel 3.16, 4.19.323, 5.10.229, 5.15.170. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/31701ef0c4547973991ff63596c927f841dfd133
• https://git.kernel.org/stable/c/4b70478b984af3c9d0279c121df5ff94e2533dbd
• https://git.kernel.org/stable/c/533d2f30aef272dade17870a509521c3afc38a03
• https://git.kernel.org/stable/c/5febfc545389805ce83d37f9f4317055b26dd7d7
• https://git.kernel.org/stable/c/7d5030a819c3589cf9948b1eee397b626ec590f5
• https://git.kernel.org/stable/c/8e81ce7d0166a2249deb6d5e42f28a8b8c9ea72f
• https://git.kernel.org/stable/c/b6321146773dcbbc372a54dbada67e0b50e0a25c
• https://git.kernel.org/stable/c/c401ed1c709948e57945485088413e1bb5e94bd1
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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