CVE-2022-50623— fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
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dfl_feature_ioctl_set_irq存在整数溢出，可能导致内存损坏。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 322b598be4d9b9090cda560c4caab78704615ab4< f59861946fa51bcc1f305809e4ebc1013b0ee61c |
affected |
322b598be4d9b9090cda560c4caab78704615ab4< b94605f5cb99e90c8ca91523597a40e1bd59546b |
affected | ||
322b598be4d9b9090cda560c4caab78704615ab4< 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 |
affected | ||
322b598be4d9b9090cda560c4caab78704615ab4< 940253af8b3865b76de8d1b46bcd4a700104852e |
affected | ||
322b598be4d9b9090cda560c4caab78704615ab4< 939bc5453b8cbdde9f1e5110ce8309aedb1b501a |
affected | ||
5.9 |
affected | ||
< 5.9 |
unaffected | ||
5.10.150≤ 5.10.* |
unaffected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2022-50623
Vulnerability Information
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Vulnerability Title
fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
The "hdr.count * sizeof(s32)" multiplication can overflow on 32 bit
systems leading to memory corruption. Use array_size() to fix that.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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dfl_feature_ioctl_set_irq存在整数溢出，可能导致内存损坏。
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-2022-50623
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Same Patch Batch · Linux · 2025-12-08 · 82 CVEs total
| CVE-2023-53751 | 9.8 CRITICAL | cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname |
| CVE-2025-40320 | 9.8 CRITICAL | smb: client: fix potential cfid UAF in smb2_query_info_compound |
| CVE-2023-53769 | 9.3 CRITICAL | virt/coco/sev-guest: Double-buffer messages |
| CVE-2025-40318 | 8.8 HIGH | Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once |
| CVE-2023-53764 | 8.8 HIGH | wifi: ath12k: Handle lock during peer_id find |
| CVE-2023-53762 | 8.8 HIGH | Bluetooth: hci_sync: Fix UAF in hci_disconnect_all_sync |
| CVE-2025-40292 | 8.4 HIGH | virtio-net: fix received length check in big packets |
| CVE-2025-40309 | 8.0 HIGH | Bluetooth: SCO: Fix UAF on sco_conn_free |
| CVE-2025-40317 | 7.8 HIGH | regmap: slimbus: fix bus_context pointer in regmap init calls |
| CVE-2025-40302 | 7.8 HIGH | media: videobuf2: forbid remove_bufs when legacy fileio is active |
| CVE-2023-53768 | 7.8 HIGH | regmap-irq: Fix out-of-bounds access when allocating config buffers |
| CVE-2025-40297 | 7.8 HIGH | net: bridge: fix use-after-free due to MST port state bypass |
| CVE-2022-50630 | 7.8 HIGH | mm: hugetlb: fix UAF in hugetlb_handle_userfault |
| CVE-2023-53759 | 7.8 HIGH | HID: hidraw: fix data race on device refcount |
| CVE-2023-53747 | 7.8 HIGH | vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF |
| CVE-2023-53763 | 7.8 HIGH | Revert "f2fs: fix to do sanity check on extent cache correctly" |
| CVE-2025-40319 | 7.8 HIGH | bpf: Sync pending IRQ work before freeing ring buffer |
| CVE-2025-40323 | 7.8 HIGH | fbcon: Set fb_display[i]->mode to NULL when the mode is released |
| CVE-2023-53753 | 7.8 HIGH | drm/amd/display: fix mapping to non-allocated address |
| CVE-2023-53752 | 7.8 HIGH | net: deal with integer overflows in kmalloc_reserve() |
Showing top 20 of 82 CVEs. View all on vendor page → →
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Same vendor: Linux
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bpf: Infer zext_dst based on static register liveness analys -
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V. Comments for CVE-2022-50623
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