CVE-2022-50874
published 2025-12-30CVE-2022-50874: In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take reference, we…
PriorityP417medium5.3
EPSS
0.17%
6.9th percentile
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
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 | >= 155055771704f8cbb5c176a4309b7dc30a50450c < 8372207b009d6abdd60bb05624640bd86386599f | 8372207b009d6abdd60bb05624640bd86386599f |
| linux | linux | >= 155055771704f8cbb5c176a4309b7dc30a50450c < 410f0f46ffca4d0102470c1e0c747ecfece4204c | 410f0f46ffca4d0102470c1e0c747ecfece4204c |
| linux | linux | >= 155055771704f8cbb5c176a4309b7dc30a50450c < ee84146c05ad2316b9a7222d0ec4413e0bf30eeb | ee84146c05ad2316b9a7222d0ec4413e0bf30eeb |
| 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 | >= 6.0.0 < 6.1.16 | 6.1.16 |
| linux | linux_kernel | >= 6.2.0 < 6.2.3 | 6.2.3 |
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OSV
CVE-2022-50874: In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take refere
osv·2025-12-30
CVE-2022-50874 CVE-2022-50874: In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take refere
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take reference, we should release it when not need anymore, add the missing rdma_user_mmap_entry_put() in the error path to fix it.
OSV
RDMA/erdma: Fix refcount leak in erdma_mmap
osv·2025-12-30
CVE-2022-50874 RDMA/erdma: Fix refcount leak in erdma_mmap
RDMA/erdma: Fix refcount leak in erdma_mmap
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
GHSA
GHSA-9m95-7992-w3p3: In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take refe
ghsa_unreviewed·2025-12-30
CVE-2022-50874 GHSA-9m95-7992-w3p3: In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take refe
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
Red Hat
kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
vendor_redhat·2025-12-30
CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
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 Li
Debian
CVE-2022-50874: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma:...
vendor_debian·2022
CVE-2022-50874 CVE-2022-50874: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma:...
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take reference, we should release it when not need anymore, add the missing rdma_user_mmap_entry_put() in the error path to fix it.
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.
Wiz
CVE-2022-50874 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2022-50874 [MEDIUM] CVE-2022-50874 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2022-50874 :
Linux Debian vulnerability analysis and mitigation
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
Source : NVD
Published December 30, 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-fips
linux-gcp-fips
Sources
NVD
Debian 12, 13, 14 Has Fix Added at: Dec 31, 2025
Echo Has Fix Added at: Dec 31, 2025
Bugzilla
CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
bugzilla·2025-12-30
CVE-2022-50874 CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
CVE-2022-50874 kernel: RDMA/erdma: Fix refcount leak in erdma_mmap
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123022-CVE-2022-50874-bd1d@gregkh/T
2025-12-30
Published