{"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": "2026-05-27T12:57:05.761Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:57:05.761Z"}, "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": "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": "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-rc1", "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": "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-rc1"}]}]}], "references": [{"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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-46049", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:24.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/09496158f6ebba8830593f8972035c02f97124c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25ded535ee261161bcf19dafd525c542e606559d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30f9494c6f2b53a78822cfb653ffbb1d092d44c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d61662197ecdc458e33e475b6ada7f6da61d364"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95b1ee8442cabbde83b2848e7c6100df90f3a00d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}