{"api_version":"1","generated_at":"2026-06-04T11:56:14+00:00","cve":"CVE-2026-46262","urls":{"html":"https://cve.report/CVE-2026-46262","api":"https://cve.report/api/cve/CVE-2026-46262.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46262","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46262"},"summary":{"title":"ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()\n\nThis reverts commit f51424872760 (\"ASoC: fsl_xcvr: fix missing lock in fsl_xcvr_mode_put()\").\n\nThe original patch attempted to acquire the card->controls_rwsem lock in\nfsl_xcvr_mode_put(). However, this function is called from the upper ALSA\ncore function snd_ctl_elem_write(), which already holds the write lock on\ncontrols_rwsem for the whole put operation. So there is no need to simply\nhold the lock for fsl_xcvr_activate_ctl() again.\n\nAcquiring the read lock while holding the write lock in the same thread\nresults in a deadlock and a hung task, as reported by Alexander Stein.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-03 18:16:27","updated_at":"2026-06-03 18:16:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9f16d96e1222391a6b996a1b676bec14fb91e3b2","name":"https://git.kernel.org/stable/c/9f16d96e1222391a6b996a1b676bec14fb91e3b2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b0f74f5d24fe3c73ef1369a811891198b54c1e8e","name":"https://git.kernel.org/stable/c/b0f74f5d24fe3c73ef1369a811891198b54c1e8e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0886dc6326c3cc596799c4340d342898301cf52a","name":"https://git.kernel.org/stable/c/0886dc6326c3cc596799c4340d342898301cf52a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9a2a5da002775376498e8814df4a87cd629a3a0c","name":"https://git.kernel.org/stable/c/9a2a5da002775376498e8814df4a87cd629a3a0c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/29b2fbe3498da3681a01b34e4a2259f8a1b89448","name":"https://git.kernel.org/stable/c/29b2fbe3498da3681a01b34e4a2259f8a1b89448","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/30ffcad5edb56947dccc26f6816ab7a55b21a711","name":"https://git.kernel.org/stable/c/30ffcad5edb56947dccc26f6816ab7a55b21a711","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ae5a70e3e87c28edbaf9939cfef1bcbd9615420f","name":"https://git.kernel.org/stable/c/ae5a70e3e87c28edbaf9939cfef1bcbd9615420f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46262","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46262","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 612ffe1f4f0499b3011f16d06e354a76dae2e2d1 ae5a70e3e87c28edbaf9939cfef1bcbd9615420f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 38354c82abe7bcbcd1182a06af89d3cc16d3e2c7 30ffcad5edb56947dccc26f6816ab7a55b21a711 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 61e007657bf7740d54ca2aadce0fb5997839818e 29b2fbe3498da3681a01b34e4a2259f8a1b89448 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected daaf4fe333e0d48b2037cd2270bf1ff8f70d5068 b0f74f5d24fe3c73ef1369a811891198b54c1e8e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cab928242853a832ffa7efda270ecfb9efeebb6e 9a2a5da002775376498e8814df4a87cd629a3a0c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f514248727606b9087bc38a284ff686e0093abf1 0886dc6326c3cc596799c4340d342898301cf52a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f514248727606b9087bc38a284ff686e0093abf1 9f16d96e1222391a6b996a1b676bec14fb91e3b2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15.201 5.15.202 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1.164 6.1.165 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.127 6.6.128 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.74 6.12.75 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.13 6.18.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.19","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.202 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.165 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.14 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.4 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * 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/soc/fsl/fsl_xcvr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ae5a70e3e87c28edbaf9939cfef1bcbd9615420f","status":"affected","version":"612ffe1f4f0499b3011f16d06e354a76dae2e2d1","versionType":"git"},{"lessThan":"30ffcad5edb56947dccc26f6816ab7a55b21a711","status":"affected","version":"38354c82abe7bcbcd1182a06af89d3cc16d3e2c7","versionType":"git"},{"lessThan":"29b2fbe3498da3681a01b34e4a2259f8a1b89448","status":"affected","version":"61e007657bf7740d54ca2aadce0fb5997839818e","versionType":"git"},{"lessThan":"b0f74f5d24fe3c73ef1369a811891198b54c1e8e","status":"affected","version":"daaf4fe333e0d48b2037cd2270bf1ff8f70d5068","versionType":"git"},{"lessThan":"9a2a5da002775376498e8814df4a87cd629a3a0c","status":"affected","version":"cab928242853a832ffa7efda270ecfb9efeebb6e","versionType":"git"},{"lessThan":"0886dc6326c3cc596799c4340d342898301cf52a","status":"affected","version":"f514248727606b9087bc38a284ff686e0093abf1","versionType":"git"},{"lessThan":"9f16d96e1222391a6b996a1b676bec14fb91e3b2","status":"affected","version":"f514248727606b9087bc38a284ff686e0093abf1","versionType":"git"},{"lessThan":"5.15.202","status":"affected","version":"5.15.201","versionType":"semver"},{"lessThan":"6.1.165","status":"affected","version":"6.1.164","versionType":"semver"},{"lessThan":"6.6.128","status":"affected","version":"6.6.127","versionType":"semver"},{"lessThan":"6.12.75","status":"affected","version":"6.12.74","versionType":"semver"},{"lessThan":"6.18.14","status":"affected","version":"6.18.13","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/soc/fsl/fsl_xcvr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"5.15.201","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"6.1.164","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"6.6.127","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"6.12.74","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.14","versionStartIncluding":"6.18.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.4","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.19","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()\n\nThis reverts commit f51424872760 (\"ASoC: fsl_xcvr: fix missing lock in fsl_xcvr_mode_put()\").\n\nThe original patch attempted to acquire the card->controls_rwsem lock in\nfsl_xcvr_mode_put(). However, this function is called from the upper ALSA\ncore function snd_ctl_elem_write(), which already holds the write lock on\ncontrols_rwsem for the whole put operation. So there is no need to simply\nhold the lock for fsl_xcvr_activate_ctl() again.\n\nAcquiring the read lock while holding the write lock in the same thread\nresults in a deadlock and a hung task, as reported by Alexander Stein."}],"providerMetadata":{"dateUpdated":"2026-06-03T15:49:59.980Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ae5a70e3e87c28edbaf9939cfef1bcbd9615420f"},{"url":"https://git.kernel.org/stable/c/30ffcad5edb56947dccc26f6816ab7a55b21a711"},{"url":"https://git.kernel.org/stable/c/29b2fbe3498da3681a01b34e4a2259f8a1b89448"},{"url":"https://git.kernel.org/stable/c/b0f74f5d24fe3c73ef1369a811891198b54c1e8e"},{"url":"https://git.kernel.org/stable/c/9a2a5da002775376498e8814df4a87cd629a3a0c"},{"url":"https://git.kernel.org/stable/c/0886dc6326c3cc596799c4340d342898301cf52a"},{"url":"https://git.kernel.org/stable/c/9f16d96e1222391a6b996a1b676bec14fb91e3b2"}],"title":"ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46262","datePublished":"2026-06-03T15:49:59.980Z","dateReserved":"2026-05-13T15:03:33.108Z","dateUpdated":"2026-06-03T15:49:59.980Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-03 18:16:27","lastModifiedDate":"2026-06-03 18:16:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46262","Ordinal":"1","Title":"ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()","CVE":"CVE-2026-46262","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46262","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()\n\nThis reverts commit f51424872760 (\"ASoC: fsl_xcvr: fix missing lock in fsl_xcvr_mode_put()\").\n\nThe original patch attempted to acquire the card->controls_rwsem lock in\nfsl_xcvr_mode_put(). However, this function is called from the upper ALSA\ncore function snd_ctl_elem_write(), which already holds the write lock on\ncontrols_rwsem for the whole put operation. So there is no need to simply\nhold the lock for fsl_xcvr_activate_ctl() again.\n\nAcquiring the read lock while holding the write lock in the same thread\nresults in a deadlock and a hung task, as reported by Alexander Stein.","Type":"Description","Title":"ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put()"}]}}}