What’s Vulnerable › Vulnerabilities

CVE-2024-38591: RDMA/hns: Fix deadlock on SRQ async events.

• 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: 2024-06-19 · updated 2026-06-17
• Weakness: CWE-667

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix deadlock on SRQ async events. xa_lock for SRQ table may be required in AEQ. Use xa_store_irq()/ xa_erase_irq() to avoid deadlock.

Affected products

• Linux kernel: from 5.0 before 5.15.161; from 5.16 before 6.1.93; from 6.2 before 6.6.33; from 6.7 before 6.8.12; from 6.9 before 6.9.3 — fixed in 5.15.161, 6.1.93, 6.6.33, 6.8.12, 6.9.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.161, 6.1.93, 6.6.33, 6.8.12. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/22c915af31bd84ffaa46145e317f53333f94a868
• https://git.kernel.org/stable/c/4a3be1a0ffe04c085dd7f79be97c91b0c786df3d
• https://git.kernel.org/stable/c/605889754ee68aacf7c381938fcd5eb654e71822
• https://git.kernel.org/stable/c/72dc542f0d8977e7d41d610db6bb65c47cad43e9
• https://git.kernel.org/stable/c/756ddbe665ea7f9416951bd76731b174d136eea0
• https://git.kernel.org/stable/c/b46494b6f9c19f141114a57729e198698f40af37
• https://git.kernel.org/stable/c/d271e66abac5c7eb8de345b9b44d89f777437a4c
• https://git.kernel.org/stable/c/22c915af31bd84ffaa46145e317f53333f94a868
• https://git.kernel.org/stable/c/4a3be1a0ffe04c085dd7f79be97c91b0c786df3d
• https://git.kernel.org/stable/c/72dc542f0d8977e7d41d610db6bb65c47cad43e9
• https://git.kernel.org/stable/c/756ddbe665ea7f9416951bd76731b174d136eea0
• https://git.kernel.org/stable/c/b46494b6f9c19f141114a57729e198698f40af37

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