phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend
Key facts
- Attack vector
- —
- 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: phy: qcom: qmp-usb: Fix possible NULL-deref on early runtime suspend There is a small window where the runtime suspend callback may run after pm_runtime_enable() and before pm_runtime_forbid(). In this case, a crash occurs because runtime suspend/resume dereferences qmp->phy pointer, which is not yet initialized: `if (!qmp->phy->init_count) {` This can also happen if user re-enables runtime-pm via the sysfs attribute before qmp phy is initialized. Similarly to other qcom phy drivers, introduce a qmp->phy_initialized variable that can be used to avoid relying on the possibly uninitialized phy pointer.
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, 6.18.52, 7.2.6, 7.3
Vendor assessments
Red Hat
Red Hat rating: Low. 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-2026-90280
- 2026-10-03 Alias added: GHSA-gqgx-j6qf-xqf5
- 2026-10-15 Affected versions changed · Red Hat
- 2026-10-15 CVSS score added · Red Hat
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 5
- https://git.kernel.org/stable/c/9b28287c5dea7650e6dd317591b9e82b6e145365
- https://git.kernel.org/stable/c/f4e39ab1b2009a89c60e4cb9dbefb8140d405eff
- https://git.kernel.org/stable/c/5547fd950d6bf72de861b6934341e7bb0888640c
- https://git.kernel.org/stable/c/03455404fb6cbfd65842695df26739853fc1516b
- https://git.kernel.org/stable/c/142c5593379273264474f31d5956b1a0065cd576
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Sources
- CVE-2026-90280 · CVE Program
- CVE-2026-90280 · NVD
- FIRST EPSS
- GHSA-gqgx-j6qf-xqf5 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-90280 · Red Hat security data · CC BY 4.0
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