CVE-2022-50874— RDMA/erdma: Fix refcount leak in erdma_mmap
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 155055771704f8cbb5c176a4309b7dc30a50450c< 8372207b009d6abdd60bb05624640bd86386599f | affected |
155055771704f8cbb5c176a4309b7dc30a50450c< 410f0f46ffca4d0102470c1e0c747ecfece4204c | affected | ||
155055771704f8cbb5c176a4309b7dc30a50450c< ee84146c05ad2316b9a7222d0ec4413e0bf30eeb | affected | ||
6.0 | affected | ||
< 6.0 | unaffected | ||
6.1.16≤ 6.1.* | unaffected | ||
6.2.3≤ 6.2.* | unaffected | ||
6.3≤ * | unaffected |
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I. Basic Information for CVE-2022-50874
Vulnerability Information
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Vulnerability Title
RDMA/erdma: Fix refcount leak in erdma_mmap
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未释放映射条目引用计数，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2022-50874
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-50874 (3)
Same Patch Batch · Linux · 2025-12-30 · 244 CVEs total
| CVE-2023-54184 | 9.8 CRITICAL | scsi: target: iscsit: Free cmds before session free |
| CVE-2023-54223 | 9.8 CRITICAL | net/mlx5e: xsk: Fix invalid buffer access for legacy rq |
| CVE-2023-54237 | 9.8 CRITICAL | net/smc: fix potential panic dues to unprotected smc_llc_srv_add_link() |
| CVE-2023-54257 | 9.8 CRITICAL | net: macb: fix a memory corruption in extended buffer descriptor mode |
| CVE-2023-54258 | 9.8 CRITICAL | cifs: fix potential oops in cifs_oplock_break |
| CVE-2023-54269 | 9.8 CRITICAL | SUNRPC: double free xprt_ctxt while still in use |
| CVE-2023-54280 | 9.8 CRITICAL | cifs: fix potential race when tree connecting ipc |
| CVE-2023-54292 | 9.8 CRITICAL | RDMA/irdma: Fix data race on CQP request done |
| CVE-2023-54203 | 9.1 CRITICAL | ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr |
| CVE-2022-50880 | 8.8 HIGH | wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state() |
| CVE-2023-54262 | 8.8 HIGH | net/mlx5e: Don't clone flow post action attributes second time |
| CVE-2023-54214 | 8.8 HIGH | Bluetooth: L2CAP: Fix potential user-after-free |
| CVE-2023-54162 | 8.8 HIGH | ksmbd: fix possible memory leak in smb2_lock() |
| CVE-2023-54318 | 8.8 HIGH | net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add |
| CVE-2023-54250 | 8.2 HIGH | ksmbd: avoid out of bounds access in decode_preauth_ctxt() |
| CVE-2023-54164 | 8.0 HIGH | Bluetooth: ISO: fix iso_conn related locking and validity issues |
| CVE-2023-54206 | 7.8 HIGH | net/sched: flower: fix filter idr initialization |
| CVE-2023-54202 | 7.8 HIGH | drm/i915: fix race condition UAF in i915_perf_add_config_ioctl |
| CVE-2023-54210 | 7.8 HIGH | Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor() |
| CVE-2023-54243 | 7.8 HIGH | netfilter: ebtables: fix table blob use-after-free |
Showing top 20 of 244 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-68081
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to - CVE-2026-68082
libceph: fix two unsafe bare decodes in decode_lockers() - CVE-2026-68480
x86/bugs: Make Safe-RET robust against interrupt injection - CVE-2026-64604
KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is - CVE-2026-64602
iio: adc: spear: Initialize completion before requesting IRQ
Same vendor: Linux
- CVE-2026-68081
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to - CVE-2026-68082
libceph: fix two unsafe bare decodes in decode_lockers() - CVE-2026-68480
x86/bugs: Make Safe-RET robust against interrupt injection - CVE-2026-64604
KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is - CVE-2026-64602
iio: adc: spear: Initialize completion before requesting IRQ
V. Comments for CVE-2022-50874
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