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CVE-2025-71114 In the Linux kernel, the following vulnerability has been resolved: via_wdt: fix critical boot hang due to unnamed…
Description
In the Linux kernel, the following vulnerability has been resolved: via_wdt: fix critical boot hang due to unnamed resource allocation The VIA watchdog driver uses allocate_resource() to reserve a MMIO region for the watchdog control register. However, the allocated resource was not given a name, which causes the kernel resource tree to contain an entry marked as "<BAD>" under /proc/iomem on x86 platforms. During boot, this unnamed resource can lead to a critical hang because subsequent resource lookups and conflict checks fail to handle the invalid entry properly.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.19 | earliest → < 6.19 | 6.19 |
| Linux 6.18 | earliest → < 6.18.3 | 6.18.3 |
| Linux 6.12 | earliest → < 6.12.64 | 6.12.64 |
| Linux 6.6 | earliest → < 6.6.120 | 6.6.120 |
| Linux 6.1 | earliest → < 6.1.160 | 6.1.160 |
| Linux 5.15 | earliest → < 5.15.198 | 5.15.198 |
| Linux 5.10 | earliest → < 5.10.248 | 5.10.248 |
| Linux | 3.3 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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