fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.10.150, 5.15.75, 5.19.17 +2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.150, 5.15.75, 5.19.17, 6.0.3, 6.1
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50623
- 2026-10-03 Alias added: GHSA-4823-3f87-824g
- 2026-11-07 Affected versions changed · Red Hat
References
Other 5
- https://git.kernel.org/stable/c/f59861946fa51bcc1f305809e4ebc1013b0ee61c
- https://git.kernel.org/stable/c/b94605f5cb99e90c8ca91523597a40e1bd59546b
- https://git.kernel.org/stable/c/1b5a931594f7ffd26d706614c37d4da0f2ffb6e7
- https://git.kernel.org/stable/c/940253af8b3865b76de8d1b46bcd4a700104852e
- https://git.kernel.org/stable/c/939bc5453b8cbdde9f1e5110ce8309aedb1b501a
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- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2022-50623 · CVE Program
- CVE-2022-50623 · NVD
- FIRST EPSS
- GHSA-4823-3f87-824g · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50623 · Red Hat security data · CC BY 4.0
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