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CVE-2022-50514— usb: gadget: f_hid: fix refcount leak on error path

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于错误路径上未正确减少引用计数，可能导致结构永久锁定。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 21a9476a7ba847e413bf1c144d7c614532aed6dd< 95412c932b3c9e8cc4431dac4fac8fcd80d54982 affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< 80dc47e751a837106c09bec73964ff8f7ea280b4 affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< e88b89a096af0001bcff6bf7ad2feb1486487173 affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< 9d4a0aca8a75550d3456c8de339a341dc4536ec5 affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< ba78f7c10606719f702c04a15fb0471507b32d7b affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< 216437dd64fce36791a3b6cc8f8013df36856958 affected
21a9476a7ba847e413bf1c144d7c614532aed6dd< 70a3288a7586526315105c699b687d78cd32559a affected
3.19 affected
… +8 more rows
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I. Basic Information for CVE-2022-50514

Vulnerability Information
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Vulnerability Title
usb: gadget: f_hid: fix refcount leak on error path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix refcount leak on error path When failing to allocate report_desc, opts->refcnt has already been incremented so it needs to be decremented to avoid leaving the options structure permanently locked.
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，该漏洞源于错误路径上未正确减少引用计数，可能导致结构永久锁定。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 21a9476a7ba847e413bf1c144d7c614532aed6dd ~ 95412c932b3c9e8cc4431dac4fac8fcd80d54982 -
Linux Linux 3.19 -

II. Public POCs for CVE-2022-50514

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III. Intelligence Information for CVE-2022-50514

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Patches & Fixes for CVE-2022-50514 (7)

Same Patch Batch · Linux · 2025-10-07 · 118 CVEs total

CVE-2023-53629 9.8 CRITICAL fs: dlm: fix use after free in midcomms commit
CVE-2023-53630 8.8 HIGH iommufd: Fix unpinning of pages when an access is present
CVE-2023-53676 8.8 HIGH scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
CVE-2023-53675 8.8 HIGH scsi: ses: Fix possible desc_ptr out-of-bounds accesses
CVE-2023-53673 8.8 HIGH Bluetooth: hci_event: call disconnect callback before deleting conn
CVE-2023-53679 8.3 HIGH wifi: mt7601u: fix an integer underflow
CVE-2023-53635 8.2 HIGH netfilter: conntrack: fix wrong ct->timeout value
CVE-2023-53669 7.8 HIGH tcp: fix skb_copy_ubufs() vs BIG TCP
CVE-2022-50555 7.8 HIGH tipc: fix a null-ptr-deref in tipc_topsrv_accept
CVE-2023-53627 7.8 HIGH scsi: hisi_sas: Grab sas_dev lock when traversing the members of sas_dev.list
CVE-2023-53626 7.8 HIGH ext4: fix possible double unlock when moving a directory
CVE-2023-53660 7.8 HIGH bpf, cpumap: Handle skb as well when clean up ptr_ring
CVE-2023-53659 7.8 HIGH iavf: Fix out-of-bounds when setting channels on remove
CVE-2023-53643 7.8 HIGH nvme-tcp: don't access released socket during error recovery
CVE-2023-53619 7.8 HIGH netfilter: conntrack: Avoid nf_ct_helper_hash uses after free
CVE-2023-53645 7.8 HIGH bpf: Make bpf_refcount_acquire fallible for non-owning refs
CVE-2023-53646 7.8 HIGH drm/i915/perf: add sentinel to xehp_oa_b_counters
CVE-2022-50528 7.8 HIGH drm/amdkfd: Fix memory leakage
CVE-2022-50543 7.8 HIGH RDMA/rxe: Fix mr->map double free
CVE-2023-53651 7.8 HIGH Input: exc3000 - properly stop timer on shutdown

Showing top 20 of 118 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50514

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