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CVE-2022-49984— HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report

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steam_recv_report和steam_send_report中的空指针取消引用，可能导致无效报告访问。

AI Predicted 4.4 Difficulty: Moderate EPSS 0.25% · P16

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux c164d6abf3841ffacfdb757c10616f9cb1f67276< c20d03b82a2e3ddbb555dad4d4f3374a9763222c affected
c164d6abf3841ffacfdb757c10616f9cb1f67276< fa2b822d86be5b5ad54fe4fa2daca464e71ff90a affected
c164d6abf3841ffacfdb757c10616f9cb1f67276< dc815761948ab5b8c94db6cb53c95103588f16ae affected
c164d6abf3841ffacfdb757c10616f9cb1f67276< 989560b6d9e00d99e07bc33067fa1c770994bf4d affected
c164d6abf3841ffacfdb757c10616f9cb1f67276< dee1e51b54794e90763e70a3c78f27ba4fa930ec affected
c164d6abf3841ffacfdb757c10616f9cb1f67276< cd11d1a6114bd4bc6450ae59f6e110ec47362126 affected
4.18 affected
< 4.18 unaffected
… +6 more rows
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I. Basic Information for CVE-2022-49984

Vulnerability Information
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Vulnerability Title
HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: HID: steam: Prevent NULL pointer dereference in steam_{recv,send}_report It is possible for a malicious device to forgo submitting a Feature Report. The HID Steam driver presently makes no prevision for this and de-references the 'struct hid_report' pointer obtained from the HID devices without first checking its validity. Let's change that.
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steam_recv_report和steam_send_report中的空指针取消引用，可能导致无效报告访问。
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 c164d6abf3841ffacfdb757c10616f9cb1f67276 ~ c20d03b82a2e3ddbb555dad4d4f3374a9763222c -
Linux Linux 4.18 -

II. Public POCs for CVE-2022-49984

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III. Intelligence Information for CVE-2022-49984

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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

CVE-2025-38075 9.8 CRITICAL scsi: target: iscsi: Fix timeout on deleted connection
CVE-2022-50098 8.8 HIGH scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
CVE-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2022-49934 8.8 HIGH wifi: mac80211: Fix UAF in ieee80211_scan_rx()
CVE-2022-50164 8.8 HIGH wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
CVE-2025-38016 8.8 HIGH HID: bpf: abort dispatch if device destroyed
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
CVE-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2022-49968 8.0 HIGH ieee802154/adf7242: defer destroy_workqueue call
CVE-2022-49944 7.8 HIGH Revert "usb: typec: ucsi: add a common function ucsi_unregister_connectors()"
CVE-2022-49952 7.8 HIGH misc: fastrpc: fix memory corruption on probe
CVE-2022-50028 7.8 HIGH gadgetfs: ep_io - wait until IRQ finishes
CVE-2022-49939 7.8 HIGH binder: fix UAF of ref->proc caused by race condition
CVE-2022-49935 7.8 HIGH dma-buf/dma-resv: check if the new fence is really later
CVE-2025-38082 7.8 HIGH gpio: virtuser: fix potential out-of-bound write
CVE-2022-50182 7.8 HIGH media: imx-jpeg: Align upwards buffer size
CVE-2025-38080 7.8 HIGH drm/amd/display: Increase block_sequence array size
CVE-2025-38060 7.8 HIGH bpf: copy_verifier_state() should copy 'loop_entry' field
CVE-2025-38062 7.8 HIGH genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie
CVE-2022-50101 7.8 HIGH video: fbdev: vt8623fb: Check the size of screen before memset_io()

Showing top 20 of 362 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49984

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