Review reviewHigh

CVE-2022-50623

Linux

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.

CVSS
7.8
EPSS
0.15%
4.63% percentile
CISA KEV
Not listed
Published
2025.12.08
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.15%
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
Linux
Affected versions
>= 322b598be4d9b9090cda560c4caab78704615ab4 < f59861946fa51bcc1f305809e4ebc1013b0ee61c, >= 322b598be4d9b9090cda560c4caab78704615ab4 < b94605f5cb99e90c8ca91523597a40e1bd59546b, >= 322b598be4d9b9090cda560c4caab78704615ab4 < 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7, >= 322b598be4d9b9090cda560c4caab78704615ab4 < 940253af8b3865b76de8d1b46bcd4a700104852e, >= 322b598be4d9b9090cda560c4caab78704615ab4 < 939bc5453b8cbdde9f1e5110ce8309aedb1b501a, >= 5.9
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available