What’s Vulnerable › Vulnerabilities

CVE-2024-42113: net: txgbe: initialize num_q_vectors for MSI/INTx interrupts

• 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: 2024-07-30 · updated 2026-06-17
• Weakness: CWE-908

Description

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: initialize num_q_vectors for MSI/INTx interrupts When using MSI/INTx interrupts, wx->num_q_vectors is uninitialized. Thus there will be kernel panic in wx_alloc_q_vectors() to allocate queue vectors.

Affected products

• Linux kernel: from 6.3 before 6.6.39; from 6.7 before 6.9.9; 6.10-rc1, 6.10-rc2, 6.10-rc3, 6.10-rc4, 6.10-rc5, 6.10-rc6 — fixed in 6.6.39, 6.9.9

How to fix

Upgrade to a fixed version: Linux kernel 6.6.39, 6.9.9. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/7c36711a2cd8059c2d24f5e5c1d76e8ea2d5613c
• https://git.kernel.org/stable/c/9edc7a83cd40ac96ff14fe3a17a38f7ace6611df
• https://git.kernel.org/stable/c/c98969226d1fe0c1dd779db8b1c444bc5294fc83
• https://git.kernel.org/stable/c/7c36711a2cd8059c2d24f5e5c1d76e8ea2d5613c
• https://git.kernel.org/stable/c/9edc7a83cd40ac96ff14fe3a17a38f7ace6611df
• https://git.kernel.org/stable/c/c98969226d1fe0c1dd779db8b1c444bc5294fc83

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