CVE-2026-90281phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend
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In the Linux kernel, the following vulnerability has been resolved: phy: qcom: snps-femto-v2: Fix possible NULL-deref on early runtime suspend Runtime PM must be enabled before creating the PHY, since phy_create() only enables runtime PM on the PHY device if it is already enabled on this parent device. However, the runtime PM callbacks dereference the hsphy instance, which is not yet ready, leaving a window where a suspend callback may trigger a NULL pointer dereference. Take a runtime PM usage reference with pm_runtime_get_noresume() before enabling runtime PM and release it once the PHY has been created, so that no runtime suspend can run before the PHY is ready. This also prevents 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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Sep 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 0d75f508a9d56133a2834215959cde4605c804d1 builds before 0c5c08c94dd64c05679970d4eed8b06d36a889a8; from 0d75f508a9d56133a2834215959cde4605c804d1 before 1027b1d4e29756dfbf74ef8743456a1efa3679f0; from 0d75f508a9d56133a2834215959cde4605c804d1 before 34293f5a8982a06c40af69c8c7c856b5837ac652; from 0d75f508a9d56133a2834215959cde4605c804d1 before 3ddf41938fee3d148a170c31e76b0515a522ef7e; from 0d75f508a9d56133a2834215959cde4605c804d1 before 82cb1aedf4bdb279cf8853fe8f39bec4e6cffa0a; from 0d75f508a9d56133a2834215959cde4605c804d1 before 61749681e4a3629ec20b04ba2443b91016af3d2f; from 0d75f508a9d56133a2834215959cde4605c804d1 before b85bbec72fa813b60e093c6bb36ae232b9b0eb5e; from 0d75f508a9d56133a2834215959cde4605c804d1 before c271a6926ea7d3c9566b033d63fd4e8c488dc860 | CNA record |
References
- https://git.kernel.org/stable/c/0c5c08c94dd64c05679970d4eed8b06d36a889a8
- https://git.kernel.org/stable/c/1027b1d4e29756dfbf74ef8743456a1efa3679f0
- https://git.kernel.org/stable/c/34293f5a8982a06c40af69c8c7c856b5837ac652
- https://git.kernel.org/stable/c/3ddf41938fee3d148a170c31e76b0515a522ef7e
- https://git.kernel.org/stable/c/82cb1aedf4bdb279cf8853fe8f39bec4e6cffa0a
- https://git.kernel.org/stable/c/61749681e4a3629ec20b04ba2443b91016af3d2f
- https://git.kernel.org/stable/c/b85bbec72fa813b60e093c6bb36ae232b9b0eb5e
- https://git.kernel.org/stable/c/c271a6926ea7d3c9566b033d63fd4e8c488dc860
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.