What’s Vulnerable › Vulnerabilities

CVE-2022-50137: RDMA/irdma: Fix a window for use-after-free

• 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: 2025-06-18 · updated 2026-08-04
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a window for use-after-free During a destroy CQ an interrupt may cause processing of a CQE after CQ resources are freed by irdma_cq_free_rsrc(). Fix this by moving the call to irdma_cq_free_rsrc() after the irdma_sc_cleanup_ceqes(), which is called under the cq_lock.

Affected products

• Linux kernel: from 5.14 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.61, 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0abf2eef80295923b819ce89ff9edc1fe61be17c
• https://git.kernel.org/stable/c/350ac793a03c8a30a3f2b27fc282cd1c67070763
• https://git.kernel.org/stable/c/8ecef7890b3aea78c8bbb501a4b5b8134367b821
• https://git.kernel.org/stable/c/92520864ef9f912f38b403d172a0ded020683d55

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