{"id":"CVE-2024-43839","state":"PUBLISHED","title":"bna: adjust 'name' buf size of bna_tcb and bna_ccb structures","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbna: adjust 'name' buf size of bna_tcb and bna_ccb structures\n\nTo have enough space to write all possible sprintf() args. Currently\n'name' size is 16, but the first '%s' specifier may already need at\nleast 16 characters, since 'bnad->netdev->name' is used there.\n\nFor '%d' specifiers, assume that they require:\n * 1 char for 'tx_id + tx_info->tcb[i]->id' sum, BNAD_MAX_TXQ_PER_TX is 8\n * 2 chars for 'rx_id + rx_info->rx_ctrl[i].ccb->id', BNAD_MAX_RXP_PER_RX\n   is 16\n\nAnd replace sprintf with snprintf.\n\nDetected using the static analysis tool - Svace.","publishedAt":"2024-08-17T09:21:55.085Z","updatedAt":"2026-05-11T20:30:48.820Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"f121740f69eda4da2de9a20a6687a13593e72540","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"c90b1cd7758fd4839909e838ae195d19f8065d76","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"6ce46045f9b90d952602e2c0b8886cfadf860bf1","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"6d20c4044ab4d0e6a99aa35853e66f0aed5589e3","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"ab748dd10d8742561f2980fea08ffb4f0cacfdef","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"b0ff0cd0847b03c0a0abe20cfa900eabcfcb9e43","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"e0f48f51d55fb187400e9787192eda09fa200ff5","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"c9741a03dc8e491e57b95fba0058ab46b7e506da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/brocade/bna/bna_types.h","drivers/net/ethernet/brocade/bna/bnad.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"4.19.320","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.282","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.224","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.165","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.103","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.44","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.3","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/brocade/bna/bna_types.h","drivers/net/ethernet/brocade/bna/bnad.c"]}],"references":["https://git.kernel.org/stable/c/f121740f69eda4da2de9a20a6687a13593e72540","https://git.kernel.org/stable/c/c90b1cd7758fd4839909e838ae195d19f8065d76","https://git.kernel.org/stable/c/6ce46045f9b90d952602e2c0b8886cfadf860bf1","https://git.kernel.org/stable/c/6d20c4044ab4d0e6a99aa35853e66f0aed5589e3","https://git.kernel.org/stable/c/ab748dd10d8742561f2980fea08ffb4f0cacfdef","https://git.kernel.org/stable/c/b0ff0cd0847b03c0a0abe20cfa900eabcfcb9e43","https://git.kernel.org/stable/c/e0f48f51d55fb187400e9787192eda09fa200ff5","https://git.kernel.org/stable/c/c9741a03dc8e491e57b95fba0058ab46b7e506da","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/43xxx/CVE-2024-43839.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-43839","state":"PUBLISHED","datePublished":"2024-08-17T09:21:55.085Z","dateUpdated":"2026-05-11T20:30:48.820Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-17T09:11:59.274Z"},"containers":{"cna":{"title":"bna: adjust 'name' buf size of bna_tcb and bna_ccb structures","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbna: adjust 'name' buf size of bna_tcb and bna_ccb structures\n\nTo have enough space to write all possible sprintf() args. Currently\n'name' size is 16, but the first '%s' specifier may already need at\nleast 16 characters, since 'bnad->netdev->name' is used there.\n\nFor '%d' specifiers, assume that they require:\n * 1 char for 'tx_id + tx_info->tcb[i]->id' sum, BNAD_MAX_TXQ_PER_TX is 8\n * 2 chars for 'rx_id + rx_info->rx_ctrl[i].ccb->id', BNAD_MAX_RXP_PER_RX\n   is 16\n\nAnd replace sprintf with snprintf.\n\nDetected using the static analysis tool - Svace."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"f121740f69eda4da2de9a20a6687a13593e72540","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"c90b1cd7758fd4839909e838ae195d19f8065d76","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"6ce46045f9b90d952602e2c0b8886cfadf860bf1","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"6d20c4044ab4d0e6a99aa35853e66f0aed5589e3","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"ab748dd10d8742561f2980fea08ffb4f0cacfdef","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"b0ff0cd0847b03c0a0abe20cfa900eabcfcb9e43","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"e0f48f51d55fb187400e9787192eda09fa200ff5","versionType":"git"},{"version":"8b230ed8ec96c933047dd0625cf95f739e4939a6","status":"affected","lessThan":"c9741a03dc8e491e57b95fba0058ab46b7e506da","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/brocade/bna/bna_types.h","drivers/net/ethernet/brocade/bna/bnad.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"4.19.320","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.282","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.224","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.165","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.103","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.44","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.3","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/brocade/bna/bna_types.h","drivers/net/ethernet/brocade/bna/bnad.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f121740f69eda4da2de9a20a6687a13593e72540"},{"url":"https://git.kernel.org/stable/c/c90b1cd7758fd4839909e838ae195d19f8065d76"},{"url":"https://git.kernel.org/stable/c/6ce46045f9b90d952602e2c0b8886cfadf860bf1"},{"url":"https://git.kernel.org/stable/c/6d20c4044ab4d0e6a99aa35853e66f0aed5589e3"},{"url":"https://git.kernel.org/stable/c/ab748dd10d8742561f2980fea08ffb4f0cacfdef"},{"url":"https://git.kernel.org/stable/c/b0ff0cd0847b03c0a0abe20cfa900eabcfcb9e43"},{"url":"https://git.kernel.org/stable/c/e0f48f51d55fb187400e9787192eda09fa200ff5"},{"url":"https://git.kernel.org/stable/c/c9741a03dc8e491e57b95fba0058ab46b7e506da"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:30:48.820Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"4.19.320"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.4.282"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.15.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.1.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.6.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.10.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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