{"id":"CVE-2024-50205","state":"PUBLISHED","title":"ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()\n\nThe step variable is initialized to zero. It is changed in the loop,\nbut if it's not changed it will remain zero. Add a variable check\nbefore the division.\n\nThe observed behavior was introduced by commit 826b5de90c0b\n(\"ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size\"),\nand it is difficult to show that any of the interval parameters will\nsatisfy the snd_interval_test() condition with data from the\namdtp_rate_table[] table.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","publishedAt":"2024-11-08T06:07:55.993Z","updatedAt":"2026-10-15T00:57:26.837Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"d575414361630b8b0523912532fcd7c79e43468c","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"5e431f85c87bbffd93a9830d5a576586f9855291","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"7d4eb9e22131ec154e638cbd56629195c9bcbe9a","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"d2826873db70a6719cdd9212a6739f3e6234cfc4","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"4bdc21506f12b2d432b1f2667e5ff4c75eee58e3","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"3452d39c4704aa12504e4190298c721fb01083c3","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"72cafe63b35d06b5cfbaf807e90ae657907858da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/firewire/amdtp-stream.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.285","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.229","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.170","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.115","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.59","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.6","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/firewire/amdtp-stream.c"]}],"references":["https://git.kernel.org/stable/c/d575414361630b8b0523912532fcd7c79e43468c","https://git.kernel.org/stable/c/5e431f85c87bbffd93a9830d5a576586f9855291","https://git.kernel.org/stable/c/7d4eb9e22131ec154e638cbd56629195c9bcbe9a","https://git.kernel.org/stable/c/d2826873db70a6719cdd9212a6739f3e6234cfc4","https://git.kernel.org/stable/c/4bdc21506f12b2d432b1f2667e5ff4c75eee58e3","https://git.kernel.org/stable/c/3452d39c4704aa12504e4190298c721fb01083c3","https://git.kernel.org/stable/c/72cafe63b35d06b5cfbaf807e90ae657907858da","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-265688.html"],"weaknesses":["CWE-369"],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/50xxx/CVE-2024-50205.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-50205","state":"PUBLISHED","datePublished":"2024-11-08T06:07:55.993Z","dateUpdated":"2026-10-15T00:57:26.837Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T19:36:19.969Z"},"containers":{"cna":{"title":"ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()\n\nThe step variable is initialized to zero. It is changed in the loop,\nbut if it's not changed it will remain zero. Add a variable check\nbefore the division.\n\nThe observed behavior was introduced by commit 826b5de90c0b\n(\"ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size\"),\nand it is difficult to show that any of the interval parameters will\nsatisfy the snd_interval_test() condition with data from the\namdtp_rate_table[] table.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"d575414361630b8b0523912532fcd7c79e43468c","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"5e431f85c87bbffd93a9830d5a576586f9855291","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"7d4eb9e22131ec154e638cbd56629195c9bcbe9a","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"d2826873db70a6719cdd9212a6739f3e6234cfc4","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"4bdc21506f12b2d432b1f2667e5ff4c75eee58e3","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"3452d39c4704aa12504e4190298c721fb01083c3","versionType":"git"},{"version":"826b5de90c0bca4e9de6231da9e1730480621588","status":"affected","lessThan":"72cafe63b35d06b5cfbaf807e90ae657907858da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/firewire/amdtp-stream.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.20","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.285","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.229","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.170","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.115","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.59","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.6","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/firewire/amdtp-stream.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d575414361630b8b0523912532fcd7c79e43468c"},{"url":"https://git.kernel.org/stable/c/5e431f85c87bbffd93a9830d5a576586f9855291"},{"url":"https://git.kernel.org/stable/c/7d4eb9e22131ec154e638cbd56629195c9bcbe9a"},{"url":"https://git.kernel.org/stable/c/d2826873db70a6719cdd9212a6739f3e6234cfc4"},{"url":"https://git.kernel.org/stable/c/4bdc21506f12b2d432b1f2667e5ff4c75eee58e3"},{"url":"https://git.kernel.org/stable/c/3452d39c4704aa12504e4190298c721fb01083c3"},{"url":"https://git.kernel.org/stable/c/72cafe63b35d06b5cfbaf807e90ae657907858da"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:47:27.505Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.15.170"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.1.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.6.59"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.11.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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