What’s Vulnerable › Vulnerabilities

CVE-2023-54003: RDMA/core: Fix GID entry ref leak when create_ah fails

• Severity: unknown
• 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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix GID entry ref leak when create_ah fails If AH create request fails, release sgid_attr to avoid GID entry referrence leak reported while releasing GID table

Affected products

• Linux kernel: 4.19 — fixed in 6.3

How to fix

Upgrade to a fixed version: Linux kernel 6.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/370280c65c28a515b841c9f2c08524f06182510c
• https://git.kernel.org/stable/c/632d6baf8884d803e598bf5164008d23fd9b736c
• https://git.kernel.org/stable/c/9c46c49ad3ffe84121715d392b5a0a94f9f10669
• https://git.kernel.org/stable/c/aca3b0fa3d04b40c96934d86cc224cccfa7ea8e0
• https://git.kernel.org/stable/c/d1b9b3191697a80aca8e247320eba46f24d41d18
• https://git.kernel.org/stable/c/e97ff11b396c320d2cc025b09741ba432fcb20a2

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