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CVE-2022-50623

fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()

HIGH
7.8
CVSS Score
Published: December 8, 2025 at 01:16 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.9 ≤ v < 5.10.1505.9 ≤ v < 5.15.755.9 ≤ v < 5.19.175.9 ≤ v < 6.0.35.9 ≤ v < 6.1322b598be4d9b9090cda560c4caab78704615ab45.9
Vendor states this is fixed in 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 (fixed)
Vendor states this is fixed in 939bc5453b8cbdde9f1e5110ce8309aedb1b501a (fixed)
Vendor states this is fixed in 940253af8b3865b76de8d1b46bcd4a700104852e (fixed)
Vendor states this is fixed in b94605f5cb99e90c8ca91523597a40e1bd59546b (fixed)
Vendor states this is fixed in f59861946fa51bcc1f305809e4ebc1013b0ee61c (fixed)
Vendor states this is fixed in 5.10.150 (unaffected)
Vendor states this is fixed in 5.15.75 (unaffected)
Vendor states this is fixed in 5.19.17 (unaffected)
Vendor states this is fixed in 5.9 (unaffected)
Vendor states this is fixed in 6.0.3 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Source: cverecord
https://git.kernel.org/stable/c/f59861946fa51bcc1f305809e4ebc1013b0ee61c
Source: cverecord
https://git.kernel.org/stable/c/b94605f5cb99e90c8ca91523597a40e1bd59546b
Source: cverecord
https://git.kernel.org/stable/c/1b5a931594f7ffd26d706614c37d4da0f2ffb6e7
Source: cverecord
https://git.kernel.org/stable/c/940253af8b3865b76de8d1b46bcd4a700104852e
Source: cverecord
https://git.kernel.org/stable/c/939bc5453b8cbdde9f1e5110ce8309aedb1b501a

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusDEFERRED

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