usb: phy: isp1301: fix non-OF device reference imbalance
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: phy: isp1301: fix non-OF device reference imbalance A recent change fixing a device reference leak in a UDC driver introduced a potential use-after-free in the non-OF case as the isp1301_get_client() helper only increases the reference count for the returned I2C device in the OF case. Increment the reference count also for non-OF so that the caller can decrement it unconditionally. Note that this is inherently racy just as using the returned I2C device is since nothing is preventing the PHY driver from being unbound while in use.
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 5.11
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-71145
- 2026-10-03 Alias added: GHSA-8hw4-vmgm-gx5f
- 2026-10-16 Affected versions changed · Red Hat
References
Patch 6
- https://git.kernel.org/stable/c/43e58abad6c08c5f0943594126ef4cd6559aac0b
- https://git.kernel.org/stable/c/03bbdaa4da8c6ea0c8431a5011db188a07822c8a
- https://git.kernel.org/stable/c/75c5d9bce072abbbc09b701a49869ac23c34a906
- https://git.kernel.org/stable/c/5d3df03f70547d4e3fc10ed4381c052eff51b157
- https://git.kernel.org/stable/c/7501ecfe3e5202490c2d13dc7e181203601fcd69
- https://git.kernel.org/stable/c/b4b64fda4d30a83a7f00e92a0c8a1d47699609f3
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Sources
- CVE-2025-71145 · CVE Program
- CVE-2025-71145 · NVD
- FIRST EPSS
- GHSA-8hw4-vmgm-gx5f · GitHub Advisory Database · CC BY 4.0
- CVE-2025-71145 · Red Hat security data · CC BY 4.0
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