What’s Vulnerable › Vulnerabilities

CVE-2022-48646: sfc/siena: fix null pointer dereference in efx_hard_start_xmit

• Severity: medium (CVSS 6.2 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: 2024-04-28 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efx_hard_start_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.

Affected products

• Linux kernel: from 5.10 before 5.19.12; 6.0-rc1, 6.0-rc2, 6.0-rc3, 6.0-rc4, 6.0-rc5, 6.0-rc6 — fixed in 5.19.12

How to fix

Upgrade to a fixed version: Linux kernel 5.19.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
• https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a
• https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
• https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a

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