{"id":"CVE-2026-80872","state":"PUBLISHED","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.","publishedAt":"2026-09-04T16:48:37.011Z","updatedAt":"2026-09-04T16:48:37.011Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"f8272331da877eec8fe8e89a1e98e6a710e12490","versionType":"git"},{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","versionType":"git"},{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"]}],"references":["https://git.kernel.org/stable/c/f8272331da877eec8fe8e89a1e98e6a710e12490","https://git.kernel.org/stable/c/da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","https://git.kernel.org/stable/c/5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80872.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80872","state":"PUBLISHED","datePublished":"2026-09-04T16:48:37.011Z","dateUpdated":"2026-09-04T16:48:37.011Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.798Z"},"containers":{"cna":{"title":"ALSA: hda/tas2781: Cancel async firmware request at unbind","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"f8272331da877eec8fe8e89a1e98e6a710e12490","versionType":"git"},{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"da9e3be9cf31d7138d23e9e2f7ba1c102ef09f07","versionType":"git"},{"version":"5be27f1e3ec98975c18a91e220d4847d0dec9671","status":"affected","lessThan":"5367e2ad14f0ae9350a7aaf2e77c87de39a43ae9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/codecs/side-codecs/tas2781_hda_i2c.c","sound/hda/codecs/side-codecs/tas2781_hda_spi.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-09-04T16:48:37.011Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}