{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46157", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.102Z", "datePublished": "2026-05-28T09:36:12.895Z", "dateUpdated": "2026-05-28T09:36:12.895Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:36:12.895Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger\n\nCurrently the runtime.oss.trigger field may be accessed concurrently\nwithout protection, which may lead to the data race. And, in this\ncase, it may lead to more severe problem because it's a bit field; as\nwriting the data, it may overwrite other bit fields as well, which\nconfuses the operation completely, as spotted by fuzzing.\n\nFix it by covering runtime.oss.trigger bit fled also with the existing\nparams_lock mutex in both snd_pcm_oss_get_trigger() and\nsnd_pcm_oss_poll()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/oss/pcm_oss.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "49f9d048845be874df7997e4b1ce662de450c4b6", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "ac3e9b55b7da6f0be51720bd330a0edc1a8b61f1", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "6b01c1bc9a4748ab37548a700a8aaff910e298e6", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "901ac0ff15edf9503162e2cf6579bd11a30f1ed4", "status": "affected", "versionType": "git"}, {"version": "0", "lessThan": "6.12.88", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "6.18.30", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "7.0.7", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/core/oss/pcm_oss.c"], "versions": [{"version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc2", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.1-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/49f9d048845be874df7997e4b1ce662de450c4b6"}, {"url": "https://git.kernel.org/stable/c/ac3e9b55b7da6f0be51720bd330a0edc1a8b61f1"}, {"url": "https://git.kernel.org/stable/c/6b01c1bc9a4748ab37548a700a8aaff910e298e6"}, {"url": "https://git.kernel.org/stable/c/901ac0ff15edf9503162e2cf6579bd11a30f1ed4"}], "title": "ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger\n\nCurrently the runtime.oss.trigger field may be accessed concurrently\nwithout protection, which may lead to the data race. And, in this\ncase, it may lead to more severe problem because it's a bit field; as\nwriting the data, it may overwrite other bit fields as well, which\nconfuses the operation completely, as spotted by fuzzing.\n\nFix it by covering runtime.oss.trigger bit fled also with the existing\nparams_lock mutex in both snd_pcm_oss_get_trigger() and\nsnd_pcm_oss_poll()."}], "id": "CVE-2026-46157", "lastModified": "2026-05-28T10:16:31.363", "metrics": {}, "published": "2026-05-28T10:16:31.363", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/49f9d048845be874df7997e4b1ce662de450c4b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b01c1bc9a4748ab37548a700a8aaff910e298e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/901ac0ff15edf9503162e2cf6579bd11a30f1ed4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac3e9b55b7da6f0be51720bd330a0edc1a8b61f1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}