What’s Vulnerable › Vulnerabilities

CVE-2022-49141: net: dsa: felix: fix possible NULL pointer dereference

• 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: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: felix: fix possible NULL pointer dereference As the possible failure of the allocation, kzalloc() may return NULL pointer. Therefore, it should be better to check the 'sgi' in order to prevent the dereference of NULL pointer.

Affected products

• Linux kernel: from 5.17 before 5.17.3 — fixed in 5.17.3

How to fix

Upgrade to a fixed version: Linux kernel 5.17.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/866b7a278cdb51eb158cd8513bc7438fc857804a
• https://git.kernel.org/stable/c/b7ff8b5e75d4e91ec8c62d621aac8dfb84c57aa9

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