{"id":"CVE-2026-98480","state":"PUBLISHED","title":"nfc: trf7970a: power down on startup RX gain failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: trf7970a: power down on startup RX gain failure\n\ntrf7970a_startup() powers up the device before applying the optional RX\ngain reduction. If the register read or write fails, it returns without\nundoing that power-up. Probe's unwind only drops the separate regulator\nreferences acquired by probe, leaving the additional VIN enable from\nstartup unbalanced. The system resume caller also has no power-down on\nthis error.\n\nCall trf7970a_power_down() before returning the RX gain error to deassert\nthe enable GPIOs, release the startup VIN reference and restore the\npowered-off state. Runtime PM has not been enabled yet, so the full\nshutdown helper is not appropriate here. Preserve the original SPI error.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code.","publishedAt":"2026-10-18T15:15:54.528Z","updatedAt":"2026-10-19T09:20:17.774Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"cc444e4ad43461374dd128573eccb8979d2adb4c","versionType":"git"},{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"6ef70d790425e76b42c69e416ee78c62bdc37d00","versionType":"git"},{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"d2acbde7e67df44efa8f0963462d1192e7694ffc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/trf7970a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/trf7970a.c"]}],"references":["https://git.kernel.org/stable/c/cc444e4ad43461374dd128573eccb8979d2adb4c","https://git.kernel.org/stable/c/6ef70d790425e76b42c69e416ee78c62bdc37d00","https://git.kernel.org/stable/c/d2acbde7e67df44efa8f0963462d1192e7694ffc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98480.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98480","state":"PUBLISHED","datePublished":"2026-10-18T15:15:54.528Z","dateUpdated":"2026-10-19T09:20:17.774Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.352Z"},"containers":{"cna":{"title":"nfc: trf7970a: power down on startup RX gain failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: trf7970a: power down on startup RX gain failure\n\ntrf7970a_startup() powers up the device before applying the optional RX\ngain reduction. If the register read or write fails, it returns without\nundoing that power-up. Probe's unwind only drops the separate regulator\nreferences acquired by probe, leaving the additional VIN enable from\nstartup unbalanced. The system resume caller also has no power-down on\nthis error.\n\nCall trf7970a_power_down() before returning the RX gain error to deassert\nthe enable GPIOs, release the startup VIN reference and restore the\npowered-off state. Runtime PM has not been enabled yet, so the full\nshutdown helper is not appropriate here. Preserve the original SPI error.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"cc444e4ad43461374dd128573eccb8979d2adb4c","versionType":"git"},{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"6ef70d790425e76b42c69e416ee78c62bdc37d00","versionType":"git"},{"version":"5d69351820eab6be1d298af21aedd18be5e5a11a","status":"affected","lessThan":"d2acbde7e67df44efa8f0963462d1192e7694ffc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/trf7970a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nfc/trf7970a.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/cc444e4ad43461374dd128573eccb8979d2adb4c"},{"url":"https://git.kernel.org/stable/c/6ef70d790425e76b42c69e416ee78c62bdc37d00"},{"url":"https://git.kernel.org/stable/c/d2acbde7e67df44efa8f0963462d1192e7694ffc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:20:17.774Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}