{"id":"CVE-2025-71114","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nvia_wdt: fix critical boot hang due to unnamed resource allocation\n\nThe VIA watchdog driver uses allocate_resource() to reserve a MMIO\nregion for the watchdog control r…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nvia_wdt: fix critical boot hang due to unnamed resource allocation\n\nThe VIA watchdog driver uses allocate_resource() to reserve a MMIO\nregion for the watchdog control r…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.3.1, < 5.10.248","linux_kernel >= 5.11, < 5.15.198","linux_kernel >= 5.16, < 6.1.160","linux_kernel >= 6.2, < 6.6.120","linux_kernel >= 6.7, < 6.12.64","linux_kernel >= 6.13, < 6.18.3","linux_kernel = 3.3","linux_kernel = 6.19"],"patched":["linux_kernel 6.18.3"],"published":"2026-01-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:22.373","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71114","references":[{"url":"https://git.kernel.org/stable/c/1d56025a3af50db0f3da2792f41eb9943eee5324","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/47c910965c936724070d2a8094a4c3ed8f452856","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7aa31ee9ec92915926e74731378c009c9cc04928","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6a2dd4f2e4e6cbdfe7a1618160281af897b75db","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c7b986adc9e9336066350542ac5a2005d305ae78","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d2c7c90aca7b37f60f16b2bedcfeb16204f2f35d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7b6370d0fbee06a867037d675797a606cb62e57","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00178,"epssPercentile":0.07315,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-10T20:41:15.646108Z"},"ingestedAt":"2026-09-08T15:33:26.995Z","slug":"CVE-2025-71114","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nvia_wdt: fix critical boot hang due to unnamed resource allocation\n\nThe VIA watchdog driver uses allocate_resource() to reserve a MMIO\nregion for the watchdog control register. However, the allocated\nresource was not given a name, which causes the kernel resource tree\nto contain an entry marked as \"<BAD>\" under /proc/iomem on x86\nplatforms.\n\nDuring boot, this unnamed resource can lead to a critical hang because\nsubsequent resource lookups and conflict checks fail to handle the\ninvalid entry properly.\n\n## Affected\n\n- `linux_kernel >= 3.3.1, < 5.10.248`\n- `linux_kernel >= 5.11, < 5.15.198`\n- `linux_kernel >= 5.16, < 6.1.160`\n- `linux_kernel >= 6.2, < 6.6.120`\n- `linux_kernel >= 6.7, < 6.12.64`\n- `linux_kernel >= 6.13, < 6.18.3`\n- `linux_kernel = 3.3`\n- `linux_kernel = 6.19`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.18.3`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":221585,"id":"CVE-2025-71114","ts":1792035281615,"field":"cvss","old":null,"new":"5.5"},{"seq":221584,"id":"CVE-2025-71114","ts":1792035281615,"field":"severity","old":"none","new":"medium"}]}