{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46049","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.094Z","datePublished":"2026-05-27T12:57:05.761Z","dateUpdated":"2026-06-14T17:50:38.717Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:50:38.717Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ctxfi: Add fallback to default RSR for S/PDIF\n\nspdif_passthru_playback_get_resources() uses atc->pll_rate as the RSR\nfor the MSR calculation loop. However, pll_rate is only updated in\natc_pll_init() and not in hw_pll_init(), so it remains 0 after the\ncard init.\n\nWhen spdif_passthru_playback_setup() skips atc_pll_init() for\n32000 Hz, (rsr * desc.msr) always becomes 0, causing the loop to spin\nindefinitely.\n\nAdd fallback to use atc->rsr when atc->pll_rate is 0. This reflects\nthe hardware state, since hw_card_init() already configures the PLL\nto the default RSR."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/pci/ctxfi/ctatc.c"],"versions":[{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"d0b53842211f73a10ea174100a213f7fa14b9f33","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"615b7a5e5d8be68d52f262579906f7e015ba4606","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"dfc00979ff00d9dfdfa1df32144a272ee2728102","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"25ded535ee261161bcf19dafd525c542e606559d","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"30f9494c6f2b53a78822cfb653ffbb1d092d44c8","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"09496158f6ebba8830593f8972035c02f97124c1","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"95b1ee8442cabbde83b2848e7c6100df90f3a00d","status":"affected","versionType":"git"},{"version":"8cc72361481f00253f1e468ade5795427386d593","lessThan":"7d61662197ecdc458e33e475b6ada7f6da61d364","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/pci/ctxfi/ctatc.c"],"versions":[{"version":"2.6.31","status":"affected"},{"version":"0","lessThan":"2.6.31","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":"2.6.31","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.31","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d0b53842211f73a10ea174100a213f7fa14b9f33"},{"url":"https://git.kernel.org/stable/c/615b7a5e5d8be68d52f262579906f7e015ba4606"},{"url":"https://git.kernel.org/stable/c/dfc00979ff00d9dfdfa1df32144a272ee2728102"},{"url":"https://git.kernel.org/stable/c/25ded535ee261161bcf19dafd525c542e606559d"},{"url":"https://git.kernel.org/stable/c/30f9494c6f2b53a78822cfb653ffbb1d092d44c8"},{"url":"https://git.kernel.org/stable/c/09496158f6ebba8830593f8972035c02f97124c1"},{"url":"https://git.kernel.org/stable/c/95b1ee8442cabbde83b2848e7c6100df90f3a00d"},{"url":"https://git.kernel.org/stable/c/7d61662197ecdc458e33e475b6ada7f6da61d364"}],"title":"ALSA: ctxfi: Add fallback to default RSR for S/PDIF","x_generator":{"engine":"bippy-1.2.0"}}}}