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CVE-2022-50775

RDMA/hns: Fix refcount leak in hns_roce_mmap

N/A
Published: December 24, 2025 at 01:06 PM UTC
Updated: June 17, 2026 at 05:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix refcount leak in hns_roce_mmap rdma_user_mmap_entry_get_pgoff() takes the reference. Add missing rdma_user_mmap_entry_put() to release the reference. Acked-by Haoyue Xu <[email protected]>

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.17 ≤ v < 6.1.165.17 ≤ v < 6.2.35.17 ≤ v < 6.345e0d3f42ed7d5434bb5bc16acfc793ea48915.17
Vendor states this is fixed in 8abd2ff2256a2a99c11c7ecdcb5512429933620f (fixed)
Vendor states this is fixed in cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 (fixed)
Vendor states this is fixed in fa87cf2e756efe809ee8683d4f282f4de962dab6 (fixed)
Vendor states this is fixed in 5.17 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6

Quick Info

StatusDEFERRED

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