{"id":"CVE-2026-80930","title":"tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout","summary":"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 th…","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","cvssSource":"vendor","cwe":["CWE-772"],"vendor":"Linux","product":"Linux","affected":["Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 2c9147b2c0d75091ab451c2461d1c91788a7e60b","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 07c2544a47da481043e945322b1bef71cdd7af79","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < b0dc3f18af01ba9f157b7d810cb22d3752d244ef","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 73e89faee1f9b9119fa70b679058b045168ae633","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < cde2d927c29e82380851f209222256c607969a1f","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < aee2296d09f6aeff41db369c6fd2dcaea3ee302c","Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 705c4ed0643366963547b2616d53165f2519c81f","Linux 3.13"],"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:45:14.086Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80930","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"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80930.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80930"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532134"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80930"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80930"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80930.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00177,"epssPercentile":0.07152,"ingestedAt":"2026-09-14T15:23:07.455Z","slug":"CVE-2026-80930","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 007c9e637e0e0b9d946b7f0e8a42f1f1aca48d7a`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 2c9147b2c0d75091ab451c2461d1c91788a7e60b`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 07c2544a47da481043e945322b1bef71cdd7af79`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < b0dc3f18af01ba9f157b7d810cb22d3752d244ef`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 73e89faee1f9b9119fa70b679058b045168ae633`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < cde2d927c29e82380851f209222256c607969a1f`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < aee2296d09f6aeff41db369c6fd2dcaea3ee302c`\n- `Linux >= 4c336e4b1556f4b722ba597bc6e3df786968a600 < 705c4ed0643366963547b2616d53165f2519c81f`\n- `Linux 3.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80930.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":202775,"id":"CVE-2026-80930","ts":1789403715849,"field":"cvss","old":null,"new":"5.5"},{"seq":202774,"id":"CVE-2026-80930","ts":1789403715849,"field":"severity","old":"none","new":"medium"},{"seq":147690,"id":"CVE-2026-80930","ts":1789270211897,"field":"cvss","old":null,"new":"4.1"},{"seq":147689,"id":"CVE-2026-80930","ts":1789270211897,"field":"severity","old":"none","new":"medium"},{"seq":109446,"id":"CVE-2026-80930","ts":1789183731945,"field":"cvss","old":null,"new":"4.1"},{"seq":109445,"id":"CVE-2026-80930","ts":1789183731945,"field":"severity","old":"none","new":"medium"}]}