phy: qcom-qusb2: Fix NULL pointer dereference on early suspend (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.20 % · percentile 9 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Deferred
Description
In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qusb2: Fix NULL pointer dereference on early suspend Enabling runtime PM before attaching the QPHY instance as driver data can lead to a NULL pointer dereference in runtime PM callbacks that expect valid driver data. There is a small window where the suspend callback may run after PM runtime enabling and before runtime forbid. This causes a sporadic crash during boot: ``` Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a1 [...] CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.16.7+ #116 PREEMPT Workqueue: pm pm_runtime_work pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : qusb2_phy_runtime_suspend+0x14/0x1e0 [phy_qcom_qusb2] lr : pm_generic_runtime_suspend+0x2c/0x44 [...] ``` Attach the QPHY instance as driver data before enabling runtime PM to prevent NULL pointer dereference in runtime PM callbacks. Reorder pm_runtime_enable() and pm_runtime_forbid() to prevent a short window where an unnecessary runtime suspend can occur. Use the devres-managed version to ensure PM runtime is symmetrically disabled during driver removal for proper cleanup.
References
- https://git.kernel.org/stable/c/f8a30ff99ae45d368737993961f7c334c76af5fa
- https://git.kernel.org/stable/c/beba460a299150b5d8dcbe3474a8f4bdf0205180
- https://git.kernel.org/stable/c/d50a9b7fd07296a1ab81c49ceba14cae3d31df86
- https://git.kernel.org/stable/c/4ac15caa27ff842b068a54f1c6a8ff8b31f658e7
- https://git.kernel.org/stable/c/1ca52c0983c34fca506921791202ed5bdafd5306
European references
- ENISA EUVD · EUVD-2025-206805
- GCVE · GCVE-0-2025-71193
CERT-FR advisories
- CERTFR-2026-AVI-1093 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0954 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0926 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0831 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0787 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0746 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0663 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0638 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0166 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 891a96f65ac3b12883ddbc6d1a9adf6e54dc903c < f8a30ff99ae45d368737993961f7c334c76af5fa ; affected 891a96f65ac3b12883ddbc6d1a9adf6e54dc903c < beba460a299150b5d8dcbe3474a8f4bdf0205180 ; affected 891a96f65ac3b12883ddbc6d1a9adf6e54dc903c < d50a9b7fd07296a1ab81c49ceba14cae3d31df86 ; affected 891a96f65ac3b12883ddbc6d1a9adf6e54dc903c < 4ac15caa27ff842b068a54f1c6a8ff8b31f658e7 ; affected 891a96f65ac3b12883ddbc6d1a9adf6e54dc903c < 1ca52c0983c34fca506921791202ed5bdafd5306 |
| Linux · Linux | affected 4.17 ; unaffected 0 < 4.17 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.122 ≤ 6.6.* ; unaffected 6.12.67 ≤ 6.12.* ; unaffected 6.18.7 ≤ 6.18.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |