What’s Vulnerable › Vulnerabilities

CVE-2023-52532: net: mana: Fix TX CQE error handling

• 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: 2024-03-02 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TX CQE error handling For an unknown TX CQE error type (probably from a newer hardware), still free the SKB, update the queue tail, etc., otherwise the accounting will be wrong. Also, TX errors can be triggered by injecting corrupted packets, so replace the WARN_ONCE to ratelimited error logging.

Affected products

• Linux kernel: from 5.13 before 6.1.59; from 6.2 before 6.5.7; 6.6-rc1, 6.6-rc2, 6.6-rc3, 6.6-rc4 — fixed in 6.1.59, 6.5.7

How to fix

Upgrade to a fixed version: Linux kernel 6.1.59, 6.5.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/a910e0f6304726da30a212feecec65cb97ff7a80
• https://git.kernel.org/stable/c/b2b000069a4c307b09548dc2243f31f3ca0eac9c
• https://git.kernel.org/stable/c/b67d7b1bfc46d05c1a58b172516454698e8d5004
• https://git.kernel.org/stable/c/a910e0f6304726da30a212feecec65cb97ff7a80
• https://git.kernel.org/stable/c/b2b000069a4c307b09548dc2243f31f3ca0eac9c
• https://git.kernel.org/stable/c/b67d7b1bfc46d05c1a58b172516454698e8d5004

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