{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52806","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.247Z","datePublished":"2024-05-21T15:31:17.025Z","dateUpdated":"2026-01-05T10:17:21.749Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:17:21.749Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix possible null-ptr-deref when assigning a stream\n\nWhile AudioDSP drivers assign streams exclusively of HOST or LINK type,\nnothing blocks a user to attempt to assign a COUPLED stream. As\nsupplied substream instance may be a stub, what is the case when\ncode-loading, such scenario ends with null-ptr-deref."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/hda/hdac_stream.c"],"versions":[{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"7de25112de8222fd20564769e6c99dc9f9738a0b","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"758c7733cb821041f5fd403b7b97c0b95d319323","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"2527775616f3638f4fd54649eba8c7b84d5e4250","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"25354bae4fc310c3928e8a42fda2d486f67745d7","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"631a96e9eb4228ff75fce7e72d133ca81194797e","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"43b91df291c8802268ab3cfd8fccfdf135800ed4","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"4a320da7f7cbdab2098b103c47f45d5061f42edd","status":"affected","versionType":"git"},{"version":"14752412721c61d9ac1e8d8fb51d7148cb15f85b","lessThan":"f93dc90c2e8ed664985e366aa6459ac83cdab236","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/hda/hdac_stream.c"],"versions":[{"version":"4.2","status":"affected"},{"version":"0","lessThan":"4.2","status":"unaffected","versionType":"semver"},{"version":"4.14.331","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.300","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.262","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.202","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.140","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.64","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.13","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6.3","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7","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":"4.2","versionEndExcluding":"4.14.331"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.19.300"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.4.262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b"},{"url":"https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323"},{"url":"https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250"},{"url":"https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7"},{"url":"https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e"},{"url":"https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4"},{"url":"https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0"},{"url":"https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd"},{"url":"https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236"}],"title":"ALSA: 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