fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2022-50623
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-08 02:15:48 UTC
Updated2026-08-04 10:18:20 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001490000 probability, percentile 0.046310000 (date 2026-08-05)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 322b598be4d9b9090cda560c4caab78704615ab4 f59861946fa51bcc1f305809e4ebc1013b0ee61c git Not specified
CNA Linux Linux affected 322b598be4d9b9090cda560c4caab78704615ab4 b94605f5cb99e90c8ca91523597a40e1bd59546b git Not specified
CNA Linux Linux affected 322b598be4d9b9090cda560c4caab78704615ab4 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 git Not specified
CNA Linux Linux affected 322b598be4d9b9090cda560c4caab78704615ab4 940253af8b3865b76de8d1b46bcd4a700104852e git Not specified
CNA Linux Linux affected 322b598be4d9b9090cda560c4caab78704615ab4 939bc5453b8cbdde9f1e5110ce8309aedb1b501a git Not specified
CNA Linux Linux affected 5.9 Not specified
CNA Linux Linux unaffected 5.9 semver Not specified
CNA Linux Linux unaffected 5.10.150 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.75 5.15.* semver Not specified
CNA Linux Linux unaffected 5.19.17 5.19.* semver Not specified
CNA Linux Linux unaffected 6.0.3 6.0.* semver Not specified
CNA Linux Linux unaffected 6.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f59861946fa51bcc1f305809e4ebc1013b0ee61c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/940253af8b3865b76de8d1b46bcd4a700104852e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b94605f5cb99e90c8ca91523597a40e1bd59546b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/939bc5453b8cbdde9f1e5110ce8309aedb1b501a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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