cxl/region: Fix use-after-free in find_pos_and_ways() error path
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 1 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: cxl/region: Fix use-after-free in find_pos_and_ways() error path The error path releases its reference to a switch decoder before logging an error that includes the decoder name. If the released reference is the last one, the decoder can be freed before the error message accesses its name. Drop the reference after the error is reported.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.6.157, 6.12.110, 6.16
- Fix · CNA Linux (Linux) Fixed in 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
Not affected: 6 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-92484
- 2026-10-03 Alias added: GHSA-wqjr-928r-pqhq
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-20 Affected versions changed · Red Hat
- 2026-10-20 CVSS score added · Red Hat
- 2026-11-01 Affected versions changed · Red Hat
References
Other 5
- https://git.kernel.org/stable/c/68edf359b0b45cad2654510c1ca257079b241aa5
- https://git.kernel.org/stable/c/b38ca9ce8c7d9b8151bb9e4770404c5e39600a48
- https://git.kernel.org/stable/c/f54b96e8aadbfc7f2a1b26df349ef9b062c47d2e
- https://git.kernel.org/stable/c/8f7683ce37a53eeabd721941517341d2eef2cf3c
- https://git.kernel.org/stable/c/15da704b732332cc1e8f121f624e5e6c05124c5d
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Sources
- CVE-2026-92484 · CVE Program
- CVE-2026-92484 · NVD
- FIRST EPSS
- GHSA-wqjr-928r-pqhq · GitHub Advisory Database · CC BY 4.0
- CVE-2026-92484 · Red Hat security data · CC BY 4.0
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