What’s Vulnerable › Vulnerabilities

CVE-2022-50134: RDMA/hfi1: fix potential memory leak in setup_base_ctxt()

• Severity: medium (CVSS 5.5 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 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: fix potential memory leak in setup_base_ctxt() setup_base_ctxt() allocates a memory chunk for uctxt->groups with hfi1_alloc_ctxt_rcv_groups(). When init_user_ctxt() fails, uctxt->groups is not released, which will lead to a memory leak. We should release the uctxt->groups with hfi1_free_ctxt_rcv_groups() when init_user_ctxt() fails.

Affected products

• Linux kernel: from 4.14 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18 — fixed in 4.14.291, 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 5.10.137, 5.15.61. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1750be1e9f18787cf717c24dbc5fa029fc372a22
• https://git.kernel.org/stable/c/2f90813f1c21c3d780585390af961bd17c8515ae
• https://git.kernel.org/stable/c/90ef48a718f88935d4af53d7dadd1ceafe103ce6
• https://git.kernel.org/stable/c/a85c7dd1edadcdeca24e603a6618153a3bcc81ca
• https://git.kernel.org/stable/c/a9055dfe437efae77e28e57205437c878a03ccb7
• https://git.kernel.org/stable/c/aa2a1df3a2c85f855af7d54466ac10bd48645d63
• https://git.kernel.org/stable/c/e25b828553aecb3185a8d8d0c4f9b4e133fb5db6
• https://git.kernel.org/stable/c/fc4de8009fd6c2ca51986c6757efa964040e7d02

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