CVE-2026-80930

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80930", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.802Z", "datePublished": "2026-09-11T19:42:05.528Z", "dateUpdated": "2026-10-19T08:45:14.086Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:45:14.086Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_i2c_nuvoton: disable IRQ on wait timeout\n\ni2c_nuvoton_wait_for_stat() enables the IRQ before waiting for the\ninterrupt handler to report a status change. If the wait times out, or is\ninterrupted before the handler runs, the function returns without\nbalancing the enable_irq() call.\n\nDisable the IRQ before leaving the failed wait path. Also preserve an\ninterrupted wait's original error code instead of converting it to\n-ETIMEDOUT inside the helper."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/char/tpm/tpm_i2c_nuvoton.c"], "versions": [{"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "2c9147b2c0d75091ab451c2461d1c91788a7e60b", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "07c2544a47da481043e945322b1bef71cdd7af79", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "b0dc3f18af01ba9f157b7d810cb22d3752d244ef", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "73e89faee1f9b9119fa70b679058b045168ae633", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "cde2d927c29e82380851f209222256c607969a1f", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "aee2296d09f6aeff41db369c6fd2dcaea3ee302c", "status": "affected", "versionType": "git"}, {"version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "lessThan": "705c4ed0643366963547b2616d53165f2519c81f", "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/char/tpm/tpm_i2c_nuvoton.c"], "versions": [{"version": "3.13", "status": "affected"}, {"version": "0", "lessThan": "3.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.270", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "3.13", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a"}, {"url": "https://git.kernel.org/stable/c/2c9147b2c0d75091ab451c2461d1c91788a7e60b"}, {"url": "https://git.kernel.org/stable/c/07c2544a47da481043e945322b1bef71cdd7af79"}, {"url": "https://git.kernel.org/stable/c/b0dc3f18af01ba9f157b7d810cb22d3752d244ef"}, {"url": "https://git.kernel.org/stable/c/73e89faee1f9b9119fa70b679058b045168ae633"}, {"url": "https://git.kernel.org/stable/c/cde2d927c29e82380851f209222256c607969a1f"}, {"url": "https://git.kernel.org/stable/c/aee2296d09f6aeff41db369c6fd2dcaea3ee302c"}, {"url": "https://git.kernel.org/stable/c/705c4ed0643366963547b2616d53165f2519c81f"}], "title": "tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/char/tpm/tpm_i2c_nuvoton.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "2c9147b2c0d75091ab451c2461d1c91788a7e60b", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "07c2544a47da481043e945322b1bef71cdd7af79", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "b0dc3f18af01ba9f157b7d810cb22d3752d244ef", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "73e89faee1f9b9119fa70b679058b045168ae633", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "cde2d927c29e82380851f209222256c607969a1f", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "aee2296d09f6aeff41db369c6fd2dcaea3ee302c", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}, {"lessThan": "705c4ed0643366963547b2616d53165f2519c81f", "status": "affected", "version": "4c336e4b1556f4b722ba597bc6e3df786968a600", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/char/tpm/tpm_i2c_nuvoton.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.13"}, {"lessThan": "3.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_i2c_nuvoton: disable IRQ on wait timeout\n\ni2c_nuvoton_wait_for_stat() enables the IRQ before waiting for the\ninterrupt handler to report a status change. If the wait times out, or is\ninterrupted before the handler runs, the function returns without\nbalancing the enable_irq() call.\n\nDisable the IRQ before leaving the failed wait path. Also preserve an\ninterrupted wait's original error code instead of converting it to\n-ETIMEDOUT inside the helper."}], "id": "CVE-2026-80930", "lastModified": "2026-10-19T09:17:24.023", "metrics": {}, "published": "2026-09-11T20:18:56.767", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/07c2544a47da481043e945322b1bef71cdd7af79"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c9147b2c0d75091ab451c2461d1c91788a7e60b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/705c4ed0643366963547b2616d53165f2519c81f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73e89faee1f9b9119fa70b679058b045168ae633"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aee2296d09f6aeff41db369c6fd2dcaea3ee302c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b0dc3f18af01ba9f157b7d810cb22d3752d244ef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cde2d927c29e82380851f209222256c607969a1f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: TPM I2C Nuvoton driver resource management vulnerability", "id": "2532134", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532134"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's TPM I2C Nuvoton driver. The `i2c_nuvoton_wait_for_stat()` function enables an interrupt (IRQ) but fails to disable it if the wait operation times out or is interrupted. This oversight can lead to an unbalanced IRQ state, potentially causing system instability or resource exhaustion, which could result in a Denial of Service (DoS)."], "name": "CVE-2026-80930", "public_date": "2026-09-11T19:42:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80930\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80930\nhttps://git.kernel.org/stable/c/705c4ed0643366963547b2616d53165f2519c81f\nhttps://git.kernel.org/stable/c/73e89faee1f9b9119fa70b679058b045168ae633\nhttps://git.kernel.org/stable/c/aee2296d09f6aeff41db369c6fd2dcaea3ee302c\nhttps://git.kernel.org/stable/c/cde2d927c29e82380851f209222256c607969a1f"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c336e4b1556f4b722ba597bc6e3df786968a600,73e89faee1f9b9119fa70b679058b045168ae633)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c336e4b1556f4b722ba597bc6e3df786968a600,cde2d927c29e82380851f209222256c607969a1f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c336e4b1556f4b722ba597bc6e3df786968a600,aee2296d09f6aeff41db369c6fd2dcaea3ee302c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4c336e4b1556f4b722ba597bc6e3df786968a600,705c4ed0643366963547b2616d53165f2519c81f)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-12T06:00:10.894163+00:00", "updated": "2026-09-21T04:00:13.526807+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}