{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46004","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.091Z","datePublished":"2026-05-27T12:56:01.851Z","dateUpdated":"2026-06-14T17:47:26.278Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:47:26.278Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: caiaq: Handle probe errors properly\n\nThe probe procedure of setup_card() in caiaq driver doesn't treat the\nerror cases gracefully, e.g. the error from snd_card_register() calls\nsnd_card_free() but continues.  This would lead to a UAF for the\nfurther calls like snd_usb_caiaq_control_init(), as Berk suggested in\nanother patch in the link below.\n\nHowever, the problem is not only that; in general, this function drops\nthe all error handlings (as it's a void function) although its caller\ncan propagate an error to snd_probe(), which eventually calls\nsnd_card_free() as a proper error path.  That said, we should treat\neach error case in setup_card(), and just return the error code\npromptly, which is then handled later as a fatal error in snd_probe().\n\nThis patch achieves it by changing the setup_card() to return an error\ncode.  Also, the superfluous snd_card_free() call is removed, too.\n\nNote that card->private_free can be set still safely at returning an\nerror.  All called functions in card_free() have checks of the\nunassigned resources or NULL checks."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/device.c"],"versions":[{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"da938aa9fc7826901921dcea225948ab21a97e45","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"09616e25f502080ba684fc7fcf959d1376ab756d","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"b956e48371f2ff72b76be9a829800ecec963bd45","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"f537e3ad69609f6924a4db6b4a7f6561f5288bdd","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"6251e3e256337a30160ef59ab1580dde4d1acd28","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"096dd8519cf2f768e9e14f224b627f7aaee1a9c5","status":"affected","versionType":"git"},{"version":"8e3cd08ed8e590952aa9a656758cb24d4ba898f8","lessThan":"28abd224db4a49560b452115bca3672a20e45b2f","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/usb/caiaq/device.c"],"versions":[{"version":"2.6.25","status":"affected"},{"version":"0","lessThan":"2.6.25","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/da938aa9fc7826901921dcea225948ab21a97e45"},{"url":"https://git.kernel.org/stable/c/09616e25f502080ba684fc7fcf959d1376ab756d"},{"url":"https://git.kernel.org/stable/c/b956e48371f2ff72b76be9a829800ecec963bd45"},{"url":"https://git.kernel.org/stable/c/f537e3ad69609f6924a4db6b4a7f6561f5288bdd"},{"url":"https://git.kernel.org/stable/c/6251e3e256337a30160ef59ab1580dde4d1acd28"},{"url":"https://git.kernel.org/stable/c/e59ecd4ee3a450db6cb4e4ecaa3efdd593f80056"},{"url":"https://git.kernel.org/stable/c/096dd8519cf2f768e9e14f224b627f7aaee1a9c5"},{"url":"https://git.kernel.org/stable/c/28abd224db4a49560b452115bca3672a20e45b2f"}],"title":"ALSA: caiaq: Handle probe errors properly","x_generator":{"engine":"bippy-1.2.0"}}}}