misc: ocxl: fix possible refcount leak in afu_ioctl()
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 2 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afu_ioctl() eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.
Why it matters now
EPSS 0.00251 16th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.220, 5.10.150, 5.15.75 +3Red Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.220, 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50742
- 2026-10-03 Alias added: GHSA-7fvc-c9hj-7pgf
References
Other 6
- https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67
- https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1
- https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07
- https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527
- https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df
- https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35
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Sources
- CVE-2022-50742 · CVE Program
- CVE-2022-50742 · NVD
- FIRST EPSS
- GHSA-7fvc-c9hj-7pgf · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50742 · Red Hat security data · CC BY 4.0
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