{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-21645", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.728Z", "datePublished": "2025-01-19T10:18:01.556Z", "dateUpdated": "2025-05-22T12:40:04.881Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-22T12:40:04.881Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86/amd/pmc: Only disable IRQ1 wakeup where i8042 actually enabled it\n\nWakeup for IRQ1 should be disabled only in cases where i8042 had\nactually enabled it, otherwise \"wake_depth\" for this IRQ will try to\ndrop below zero and there will be an unpleasant WARN() logged:\n\nkernel: atkbd serio0: Disabling IRQ1 wakeup source to avoid platform firmware bug\nkernel: ------------[ cut here ]------------\nkernel: Unbalanced IRQ 1 wake disable\nkernel: WARNING: CPU: 10 PID: 6431 at kernel/irq/manage.c:920 irq_set_irq_wake+0x147/0x1a0\n\nThe PMC driver uses DEFINE_SIMPLE_DEV_PM_OPS() to define its dev_pm_ops\nwhich sets amd_pmc_suspend_handler() to the .suspend, .freeze, and\n.poweroff handlers. i8042_pm_suspend(), however, is only set as\nthe .suspend handler.\n\nFix the issue by call PMC suspend handler only from the same set of\ndev_pm_ops handlers as i8042_pm_suspend(), which currently means just\nthe .suspend handler.\n\nTo reproduce this issue try hibernating (S4) the machine after a fresh boot\nwithout putting it into s2idle first.\n\n[ij: edited the commit message.]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/x86/amd/pmc/pmc.c"], "versions": [{"version": "72e5a83b7c8401856cc3732150af24e43726717a", "lessThan": "ab47d72b736e78d3c2370b26e0bfc46eb0918391", "status": "affected", "versionType": "git"}, {"version": "8e60615e8932167057b363c11a7835da7f007106", "lessThan": "5cc621085e2b7a9b1905a98f8e5a86bb4aea2016", "status": "affected", "versionType": "git"}, {"version": "8e60615e8932167057b363c11a7835da7f007106", "lessThan": "b25778c87a6bce40c31e92364f08aa6240309e25", "status": "affected", "versionType": "git"}, {"version": "8e60615e8932167057b363c11a7835da7f007106", "lessThan": "dd410d784402c5775f66faf8b624e85e41c38aaf", "status": "affected", "versionType": "git"}, {"version": "3fc9dc0340e0b5df8059313537b55f82c1e84e94", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/x86/amd/pmc/pmc.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.140", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.72", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.10", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.11", "versionEndExcluding": "6.1.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.72"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.95"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ab47d72b736e78d3c2370b26e0bfc46eb0918391"}, {"url": "https://git.kernel.org/stable/c/5cc621085e2b7a9b1905a98f8e5a86bb4aea2016"}, {"url": "https://git.kernel.org/stable/c/b25778c87a6bce40c31e92364f08aa6240309e25"}, {"url": "https://git.kernel.org/stable/c/dd410d784402c5775f66faf8b624e85e41c38aaf"}], "title": "platform/x86/amd/pmc: Only disable IRQ1 wakeup where i8042 actually enabled it", "x_generator": {"engine": "bippy-1.2.0"}}}}

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Sin embargo, i8042_pm_suspend() solo se configura como el controlador .suspend. Solucione el problema llamando al controlador de suspensi\u00f3n PMC solo desde el mismo conjunto de controladores dev_pm_ops que i8042_pm_suspend(), lo que actualmente significa solo el controlador .suspend. Para reproducir este problema, intente hibernar (S4) la m\u00e1quina despu\u00e9s de un arranque nuevo sin ponerla primero en s2idle. [ij: edit\u00e9 el mensaje de confirmaci\u00f3n]."}], "id": "CVE-2025-21645", "lastModified": "2025-10-16T19:17:53.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-01-19T11:15:10.090", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cc621085e2b7a9b1905a98f8e5a86bb4aea2016"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ab47d72b736e78d3c2370b26e0bfc46eb0918391"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b25778c87a6bce40c31e92364f08aa6240309e25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dd410d784402c5775f66faf8b624e85e41c38aaf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: platform/x86/amd/pmc: Only disable IRQ1 wakeup where i8042 actually enabled it", "id": "2338829", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2338829"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nplatform/x86/amd/pmc: Only disable IRQ1 wakeup where i8042 actually enabled it\nWakeup for IRQ1 should be disabled only in cases where i8042 had\nactually enabled it, otherwise \"wake_depth\" for this IRQ will try to\ndrop below zero and there will be an unpleasant WARN() logged:\nkernel: atkbd serio0: Disabling IRQ1 wakeup source to avoid platform firmware bug\nkernel: ------------[ cut here ]------------\nkernel: Unbalanced IRQ 1 wake disable\nkernel: WARNING: CPU: 10 PID: 6431 at kernel/irq/manage.c:920 irq_set_irq_wake+0x147/0x1a0\nThe PMC driver uses DEFINE_SIMPLE_DEV_PM_OPS() to define its dev_pm_ops\nwhich sets amd_pmc_suspend_handler() to the .suspend, .freeze, and\n.poweroff handlers. i8042_pm_suspend(), however, is only set as\nthe .suspend handler.\nFix the issue by call PMC suspend handler only from the same set of\ndev_pm_ops handlers as i8042_pm_suspend(), which currently means just\nthe .suspend handler.\nTo reproduce this issue try hibernating (S4) the machine after a fresh boot\nwithout putting it into s2idle first.\n[ij: edited the commit message.]"], "name": "CVE-2025-21645", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-01-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21645\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21645\nhttps://lore.kernel.org/linux-cve-announce/2025011945-CVE-2025-21645-e342@gregkh/T"], "threat_severity": "Low"}

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