{"api_version":"1","generated_at":"2026-09-05T04:40:43+00:00","cve":"CVE-2026-80872","urls":{"html":"https://cve.report/CVE-2026-80872","api":"https://cve.report/api/cve/CVE-2026-80872.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80872","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80872"},"summary":{"title":"ALSA: hda/tas2781: Cancel async firmware request at unbind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda/tas2781: Cancel async firmware request at unbind\n\nTAS2781 HDA I2C and SPI queue RCA firmware loading from component\nbind with request_firmware_nowait(). The firmware loader keeps the\ncallback module pinned and holds a device reference, but the callback\nstill uses driver-private HDA state.\n\nComponent unbind removes controls and DSP state immediately. Later\ndevice removal tears down the TAS2781 private data, including\ncodec_lock. If the async firmware callback runs after unbind has\nstarted, it can operate on state that is being torn down.\n\nCancel or synchronize the async firmware request before removing\ncontrols and DSP state. A queued callback is cancelled, and an\nalready-running callback is allowed to finish before unbind continues.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-04 17:16:59","updated_at":"2026-09-04 17:16:59"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f8272331da877eec8fe8e89a1e98e6a710e12490","name":"https://git.kernel.org/stable/c/f8272331da877eec8fe8e89a1e98e6a710e12490","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","name":"https://git.kernel.org/stable/c/da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9","name":"https://git.kernel.org/stable/c/5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80872","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80872","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5be27f1e3ec98975c18a91e220d4847d0dec9671 f8272331da877eec8fe8e89a1e98e6a710e12490 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5be27f1e3ec98975c18a91e220d4847d0dec9671 da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5be27f1e3ec98975c18a91e220d4847d0dec9671 5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8272331da877eec8fe8e89a1e98e6a710e12490","status":"affected","version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","versionType":"git"},{"lessThan":"da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","status":"affected","version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","versionType":"git"},{"lessThan":"5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9","status":"affected","version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.6"},{"lessThan":"6.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda/tas2781: Cancel async firmware request at unbind\n\nTAS2781 HDA I2C and SPI queue RCA firmware loading from component\nbind with request_firmware_nowait(). The firmware loader keeps the\ncallback module pinned and holds a device reference, but the callback\nstill uses driver-private HDA state.\n\nComponent unbind removes controls and DSP state immediately. Later\ndevice removal tears down the TAS2781 private data, including\ncodec_lock. If the async firmware callback runs after unbind has\nstarted, it can operate on state that is being torn down.\n\nCancel or synchronize the async firmware request before removing\ncontrols and DSP state. A queued callback is cancelled, and an\nalready-running callback is allowed to finish before unbind continues."}],"providerMetadata":{"dateUpdated":"2026-09-04T16:48:37.011Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f8272331da877eec8fe8e89a1e98e6a710e12490"},{"url":"https://git.kernel.org/stable/c/da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07"},{"url":"https://git.kernel.org/stable/c/5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9"}],"title":"ALSA: hda/tas2781: Cancel async firmware request at unbind","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80872","datePublished":"2026-09-04T16:48:37.011Z","dateReserved":"2026-08-26T14:34:25.798Z","dateUpdated":"2026-09-04T16:48:37.011Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-04 17:16:59","lastModifiedDate":"2026-09-04 17:16:59","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80872","Ordinal":"1","Title":"ALSA: hda/tas2781: Cancel async firmware request at unbind","CVE":"CVE-2026-80872","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80872","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda/tas2781: Cancel async firmware request at unbind\n\nTAS2781 HDA I2C and SPI queue RCA firmware loading from component\nbind with request_firmware_nowait(). The firmware loader keeps the\ncallback module pinned and holds a device reference, but the callback\nstill uses driver-private HDA state.\n\nComponent unbind removes controls and DSP state immediately. Later\ndevice removal tears down the TAS2781 private data, including\ncodec_lock. If the async firmware callback runs after unbind has\nstarted, it can operate on state that is being torn down.\n\nCancel or synchronize the async firmware request before removing\ncontrols and DSP state. A queued callback is cancelled, and an\nalready-running callback is allowed to finish before unbind continues.","Type":"Description","Title":"ALSA: hda/tas2781: Cancel async firmware request at unbind"}]}}}