{"api_version":"1","generated_at":"2026-08-13T18:00:34+00:00","cve":"CVE-2025-68746","urls":{"html":"https://cve.report/CVE-2025-68746","api":"https://cve.report/api/cve/CVE-2025-68746.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-68746","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-68746"},"summary":{"title":"spi: tegra210-quad: Fix timeout handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: tegra210-quad: Fix timeout handling\n\nWhen the CPU that the QSPI interrupt handler runs on (typically CPU 0)\nis excessively busy, it can lead to rare cases of the IRQ thread not\nrunning before the transfer timeout is reached.\n\nWhile handling the timeouts, any pending transfers are cleaned up and\nthe message that they correspond to is marked as failed, which leaves\nthe curr_xfer field pointing at stale memory.\n\nTo avoid this, clear curr_xfer to NULL upon timeout and check for this\ncondition when the IRQ thread is finally run.\n\nWhile at it, also make sure to clear interrupts on failure so that new\ninterrupts can be run.\n\nA better, more involved, fix would move the interrupt clearing into a\nhard IRQ handler. Ideally we would also want to signal that the IRQ\nthread no longer needs to be run after the timeout is hit to avoid the\nextra check for a valid transfer.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 13:16:29","updated_at":"2026-07-30 06:24:42"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/01bbf25c767219b14c3235bfa85906b8d2cb8fbc","name":"https://git.kernel.org/stable/c/01bbf25c767219b14c3235bfa85906b8d2cb8fbc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b4e002d8a7cee3b1d70efad0e222567f92a73000","name":"https://git.kernel.org/stable/c/b4e002d8a7cee3b1d70efad0e222567f92a73000","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/83309dd551cfd60a5a1a98d9cab19f435b44d46d","name":"https://git.kernel.org/stable/c/83309dd551cfd60a5a1a98d9cab19f435b44d46d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb0c58be84f907285af45657c1d4847b960a12bf","name":"https://git.kernel.org/stable/c/bb0c58be84f907285af45657c1d4847b960a12bf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/88db8bb7ed1bb474618acdf05ebd4f0758d244e2","name":"https://git.kernel.org/stable/c/88db8bb7ed1bb474618acdf05ebd4f0758d244e2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c934e40246da2c5726d14e94719c514e30840df8","name":"https://git.kernel.org/stable/c/c934e40246da2c5726d14e94719c514e30840df8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/551060efb156c50fe33799038ba8145418cfdeef","name":"https://git.kernel.org/stable/c/551060efb156c50fe33799038ba8145418cfdeef","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-68746","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68746","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 921fc1838fb036f690b8ba52e6a6d3644b475cbb 88db8bb7ed1bb474618acdf05ebd4f0758d244e2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 921fc1838fb036f690b8ba52e6a6d3644b475cbb 83309dd551cfd60a5a1a98d9cab19f435b44d46d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 921fc1838fb036f690b8ba52e6a6d3644b475cbb c934e40246da2c5726d14e94719c514e30840df8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 921fc1838fb036f690b8ba52e6a6d3644b475cbb 551060efb156c50fe33799038ba8145418cfdeef git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:11:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/spi/spi-tegra210-quad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"88db8bb7ed1bb474618acdf05ebd4f0758d244e2","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"83309dd551cfd60a5a1a98d9cab19f435b44d46d","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"c934e40246da2c5726d14e94719c514e30840df8","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"551060efb156c50fe33799038ba8145418cfdeef","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"bb0c58be84f907285af45657c1d4847b960a12bf","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"01bbf25c767219b14c3235bfa85906b8d2cb8fbc","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"},{"lessThan":"b4e002d8a7cee3b1d70efad0e222567f92a73000","status":"affected","version":"921fc1838fb036f690b8ba52e6a6d3644b475cbb","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/spi/spi-tegra210-quad.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.198","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.160","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.120","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.63","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.13","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.198","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.160","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.120","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.63","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.17.13","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.2","versionStartIncluding":"5.12","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"5.12","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: tegra210-quad: Fix timeout handling\n\nWhen the CPU that the QSPI interrupt handler runs on (typically CPU 0)\nis excessively busy, it can lead to rare cases of the IRQ thread not\nrunning before the transfer timeout is reached.\n\nWhile handling the timeouts, any pending transfers are cleaned up and\nthe message that they correspond to is marked as failed, which leaves\nthe curr_xfer field pointing at stale memory.\n\nTo avoid this, clear curr_xfer to NULL upon timeout and check for this\ncondition when the IRQ thread is finally run.\n\nWhile at it, also make sure to clear interrupts on failure so that new\ninterrupts can be run.\n\nA better, more involved, fix would move the interrupt clearing into a\nhard IRQ handler. Ideally we would also want to signal that the IRQ\nthread no longer needs to be run after the timeout is hit to avoid the\nextra check for a valid transfer."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T06:04:26.054Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/88db8bb7ed1bb474618acdf05ebd4f0758d244e2"},{"url":"https://git.kernel.org/stable/c/83309dd551cfd60a5a1a98d9cab19f435b44d46d"},{"url":"https://git.kernel.org/stable/c/c934e40246da2c5726d14e94719c514e30840df8"},{"url":"https://git.kernel.org/stable/c/551060efb156c50fe33799038ba8145418cfdeef"},{"url":"https://git.kernel.org/stable/c/bb0c58be84f907285af45657c1d4847b960a12bf"},{"url":"https://git.kernel.org/stable/c/01bbf25c767219b14c3235bfa85906b8d2cb8fbc"},{"url":"https://git.kernel.org/stable/c/b4e002d8a7cee3b1d70efad0e222567f92a73000"}],"title":"spi: tegra210-quad: Fix timeout handling","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-68746","datePublished":"2025-12-24T12:09:42.213Z","dateReserved":"2025-12-24T10:30:51.031Z","dateUpdated":"2026-07-30T06:04:26.054Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 13:16:29","lastModifiedDate":"2026-07-30 06:24:42","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"68746","Ordinal":"1","Title":"spi: tegra210-quad: Fix timeout handling","CVE":"CVE-2025-68746","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"68746","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: tegra210-quad: Fix timeout handling\n\nWhen the CPU that the QSPI interrupt handler runs on (typically CPU 0)\nis excessively busy, it can lead to rare cases of the IRQ thread not\nrunning before the transfer timeout is reached.\n\nWhile handling the timeouts, any pending transfers are cleaned up and\nthe message that they correspond to is marked as failed, which leaves\nthe curr_xfer field pointing at stale memory.\n\nTo avoid this, clear curr_xfer to NULL upon timeout and check for this\ncondition when the IRQ thread is finally run.\n\nWhile at it, also make sure to clear interrupts on failure so that new\ninterrupts can be run.\n\nA better, more involved, fix would move the interrupt clearing into a\nhard IRQ handler. Ideally we would also want to signal that the IRQ\nthread no longer needs to be run after the timeout is hit to avoid the\nextra check for a valid transfer.","Type":"Description","Title":"spi: tegra210-quad: Fix timeout handling"}]}}}