What’s Vulnerable › Vulnerabilities

CVE-2022-49182: net: hns3: add vlan list lock to protect vlan list

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: net: hns3: add vlan list lock to protect vlan list When adding port base VLAN, vf VLAN need to remove from HW and modify the vlan state in vf VLAN list as false. If the periodicity task is freeing the same node, it may cause "use after free" error. This patch adds a vlan list lock to protect the vlan list.

Affected products

• Linux kernel: from 5.1 before 5.15.33; from 5.16 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.15.33, 5.16.19, 5.17.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.33, 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/09e383ca97e798f9954189b741af54b5c51e7a97
• https://git.kernel.org/stable/c/1932a624ab88ff407d1a1d567fe581faa15dc725
• https://git.kernel.org/stable/c/30f0ff7176efe8ac6c55f85bce26ed58bb608758
• https://git.kernel.org/stable/c/f58af41deeab0f45c9c80adf5f2de489ebbac3dd

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