CVE-2022-50775
published 2025-12-24CVE-2022-50775: 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…
PriorityP419medium5.3
EPSS
0.22%
12.6th percentile
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
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.20-1 (bookworm) | linux 6.1.20-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < fa87cf2e756efe809ee8683d4f282f4de962dab6 | fa87cf2e756efe809ee8683d4f282f4de962dab6 |
| linux | linux | >= 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < 8abd2ff2256a2a99c11c7ecdcb5512429933620f | 8abd2ff2256a2a99c11c7ecdcb5512429933620f |
| linux | linux | >= 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 < cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 | cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 5.17.0 < 6.1.16 | 6.1.16 |
| linux | linux_kernel | >= 6.2.0 < 6.2.3 | 6.2.3 |
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GHSA
GHSA-87wj-m7w2-v2mf: 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() ta
ghsa_unreviewed·2025-12-24
CVE-2022-50775 GHSA-87wj-m7w2-v2mf: 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() ta
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
OSV
RDMA/hns: Fix refcount leak in hns_roce_mmap
osv·2025-12-24
CVE-2022-50775 RDMA/hns: Fix refcount leak in hns_roce_mmap
RDMA/hns: Fix refcount leak in hns_roce_mmap
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
OSV
CVE-2022-50775: 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() take
osv·2025-12-24
CVE-2022-50775 CVE-2022-50775: 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() take
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
Red Hat
kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
vendor_redhat·2025-12-24
CVE-2022-50775 kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
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
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel (Red Hat Enterprise Linux 9) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 9) - Not affect
Debian
CVE-2022-50775: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: F...
vendor_debian·2022
CVE-2022-50775 CVE-2022-50775: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: F...
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
Scope: local
bookworm: resolved (fixed in 6.1.20-1)
bullseye: resolved
forky: resolved (fixed in 6.1.20-1)
sid: resolved (fixed in 6.1.20-1)
trixie: resolved (fixed in 6.1.20-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2022-50775 kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
bugzilla·2025-12-24
CVE-2022-50775 CVE-2022-50775 kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
CVE-2022-50775 kernel: RDMA/hns: Fix refcount leak in hns_roce_mmap
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
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122459-CVE-2022-50775-6733@gregkh/T
Wiz
CVE-2022-50775 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2022-50775 [MEDIUM] CVE-2022-50775 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2022-50775 :
Linux Debian vulnerability analysis and mitigation
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]
Source : NVD
Published December 24, 2025
CNA Score N/A
Affected Technologies
Linux Debian
Linux Ubuntu
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 6.8
Exploitation Probability (EPSS) N/A
Affected packages and libraries
linux-aws-fips
linux-azure-fips
Sources
NVD
Debian 12, 13, 14 Has Fix Added at: Dec 26, 2025
Echo Has Fix Added at: De
2025-12-24
Published