In the Linux kernel, the following vulnerability has been resolved:
i2c: mux: reg: check return value after calling platform_get_resource()
It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref. And use devm_platform_get_and_ioremap_resource() to simplify code.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 19, 2025 | Sep 19, 2025 |
| Ubuntu | — | Upgrade linux-oracleUpgrade linux-ibmUpgrade linux-intel-iotg-5.15Upgrade linux-realtimeUpgrade linux-bluefieldUpgrade linux-riscv-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-intel-iotgUpgrade linux-oracle-5.15Upgrade linux-gcp-5.15Upgrade linux-nvidiaUpgrade linux-kvmUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gkeUpgrade linux-azure-5.15Upgrade linux-gcpUpgrade linux-aws-5.15Upgrade linux-raspiUpgrade linux-hwe-5.15Upgrade linuxUpgrade linux-gkeopUpgrade linux-awsUpgrade linux-nvidia-tegra-5.15Upgrade linux-lowlatencyUpgrade linux-azure | Sep 26, 2025 | Sep 17, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 17, 2025 |
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