CVE-2022-50623: fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
Noroxi assessment
Priority: Monitor (action score 31/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.16% (FIRST EPSS).
- Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
- Fixed version: Linux Linux 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7, 939bc5453b8cbdde9f1e5110ce8309aedb1b501a, 940253af8b3865b76de8d1b46bcd4a700104852e.
Low priority for now. Upgrade to Linux Linux 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7, 939bc5453b8cbdde9f1e5110ce8309aedb1b501a, 940253af8b3865b76de8d1b46bcd4a700104852e or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
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.
- Published
- Dec 7, 2025
- Updated
- Aug 5, 2026
- EPSS
- 0.1% · 5th percentile
- CWE
- —
Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.1%
CNA vs NVD score
- NVD
- —
- CNA · Linux
- 7.8
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Running WordPress? Scan your site free with WP Lens
Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
—
Versions reported by the vendor
Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.
Linux Linux
- 5.9affected
- 322b598be4d9b9090cda560c4caab78704615ab4 and later · before f59861946fa51bcc1f305809e4ebc1013b0ee61caffected · git
- 322b598be4d9b9090cda560c4caab78704615ab4 and later · before b94605f5cb99e90c8ca91523597a40e1bd59546baffected · git
- 322b598be4d9b9090cda560c4caab78704615ab4 and later · before 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7affected · git
- 322b598be4d9b9090cda560c4caab78704615ab4 and later · before 940253af8b3865b76de8d1b46bcd4a700104852eaffected · git
- 322b598be4d9b9090cda560c4caab78704615ab4 and later · before 939bc5453b8cbdde9f1e5110ce8309aedb1b501aaffected · git
- before 5.9not affected · semver
- 5.10.150 and later · up to and including 5.10.*not affected · semver
- 5.15.75 and later · up to and including 5.15.*not affected · semver
- 5.19.17 and later · up to and including 5.19.*not affected · semver
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | linux | before 6.0.3-1 | 6.0.3-1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-64kb | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-docs | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-obs-build | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-source | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | kernel-syms | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-64kb | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-docs | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-obs-build | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | kernel-syms | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise Live Patching 15 SP4 | kernel-livepatch-SLE15-SP4_Update_48 | before 1-150400.9.7.1 | 1-150400.9.7.1 |
| SUSE:Linux Enterprise Live Patching 15 SP5 | kernel-livepatch-SLE15-SP5_Update_34 | before 1-150500.11.3.1 | 1-150500.11.3.1 |
| SUSE:Linux Enterprise Micro 5.2 | kernel-default | before 5.3.18-150300.59.232.1 | 5.3.18-150300.59.232.1 |
| SUSE:Linux Enterprise Micro 5.2 | kernel-default-base | before 5.3.18-150300.59.232.1.150300.18.138.1 | 5.3.18-150300.59.232.1.150300.18.138.1 |
| SUSE:Linux Enterprise Micro 5.2 | kernel-rt | before 5.3.18-150300.232.1 | 5.3.18-150300.232.1 |
| SUSE:Linux Enterprise Micro 5.2 | kernel-source-rt | before 5.3.18-150300.232.1 | 5.3.18-150300.232.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default | before 5.14.21-150400.24.194.1 | 5.14.21-150400.24.194.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-default-base | before 5.14.21-150400.24.194.1.150400.24.98.3 | 5.14.21-150400.24.194.1.150400.24.98.3 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Micro 5.3 | kernel-source-rt | before 5.14.21-150400.15.142.1 | 5.14.21-150400.15.142.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-default-base | before 5.14.21-150500.55.133.1.150500.6.65.1 | 5.14.21-150500.55.133.1.150500.6.65.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-rt | before 5.14.21-150500.13.118.1 | 5.14.21-150500.13.118.1 |
| SUSE:Linux Enterprise Micro 5.5 | kernel-source | before 5.14.21-150500.55.133.1 | 5.14.21-150500.55.133.1 |
+3
Same product
linux: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation40Plan
- CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment40Plan
- CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()40Plan
Published before and after this one in the same product
- ← EarlierCVE-2022-50621Dec 7, 2025 · dm: verity-loadpin: Only trust verity targets with enforcement0Monitor
- ← EarlierCVE-2022-50622Dec 7, 2025 · ext4: fix potential memory leak in ext4_fc_record_modified_inode()0Monitor
- Later →CVE-2022-50624Dec 7, 2025 · net: netsec: fix error handling in netsec_register_mdio()0Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Linux Linux | 1b5a931594f7ffd26d706614c37d4da0f2ffb6e7 | Vendor (CNA) |
| Linux Linux | 939bc5453b8cbdde9f1e5110ce8309aedb1b501a | Vendor (CNA) |
| Linux Linux | 940253af8b3865b76de8d1b46bcd4a700104852e | Vendor (CNA) |
| Linux Linux | b94605f5cb99e90c8ca91523597a40e1bd59546b | Vendor (CNA) |
| Linux Linux | f59861946fa51bcc1f305809e4ebc1013b0ee61c | Vendor (CNA) |
| debian:linux | 6.0.3-1 · Debian:12 | Package registry (OSV) |
| suse:kernel-64kb | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-default | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-default-base | 5.14.21-150500.55.133.1.150500.6.65.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-docs | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP4_Update_48 | 1-150400.9.7.1 · SUSE:Linux Enterprise Live Patching 15 SP4 | Package registry (OSV) |
| suse:kernel-livepatch-SLE15-SP5_Update_34 | 1-150500.11.3.1 · SUSE:Linux Enterprise Live Patching 15 SP5 | Package registry (OSV) |
| suse:kernel-obs-build | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-rt | 5.14.21-150500.13.118.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-source-rt | 5.14.21-150500.13.118.1 · SUSE:Linux Enterprise Micro 5.5 | Package registry (OSV) |
| suse:kernel-syms | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS | Package registry (OSV) |
| suse:kernel-zfcpdump | 5.14.21-150500.55.133.1 · SUSE:Linux Enterprise Server 15 SP5-LTSS | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
No history yet (it accumulates with the daily EPSS job).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (4 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.