{"id":"CVE-2022-49754","state":"PUBLISHED","title":"Bluetooth: Fix a buffer overflow in mgmt_mesh_add()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix a buffer overflow in mgmt_mesh_add()\n\nSmatch Warning:\nnet/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy()\n'mesh_tx->param' too small (48 vs 50)\n\nAnalysis:\n\n'mesh_tx->param' is array of size 48. This is the destination.\nu8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48.\n\nBut in the caller 'mesh_send' we reject only when len > 50.\nlen > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50.","publishedAt":"2025-03-27T16:43:02.049Z","updatedAt":"2026-05-11T19:06:08.065Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","status":"affected","lessThan":"ed818fd8c531abf561b379995ee7cc4c68029464","versionType":"git"},{"version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","status":"affected","lessThan":"2185e0fdbb2137f22a9dd9fcbf6481400d56299b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt_util.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt_util.h"]}],"references":["https://git.kernel.org/stable/c/ed818fd8c531abf561b379995ee7cc4c68029464","https://git.kernel.org/stable/c/2185e0fdbb2137f22a9dd9fcbf6481400d56299b"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49754.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49754","state":"PUBLISHED","datePublished":"2025-03-27T16:43:02.049Z","dateUpdated":"2026-05-11T19:06:08.065Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:39:17.988Z"},"containers":{"cna":{"title":"Bluetooth: Fix a buffer overflow in mgmt_mesh_add()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix a buffer overflow in mgmt_mesh_add()\n\nSmatch Warning:\nnet/bluetooth/mgmt_util.c:375 mgmt_mesh_add() error: __memcpy()\n'mesh_tx->param' too small (48 vs 50)\n\nAnalysis:\n\n'mesh_tx->param' is array of size 48. This is the destination.\nu8 param[sizeof(struct mgmt_cp_mesh_send) + 29]; // 19 + 29 = 48.\n\nBut in the caller 'mesh_send' we reject only when len > 50.\nlen > (MGMT_MESH_SEND_SIZE + 31) // 19 + 31 = 50."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","status":"affected","lessThan":"ed818fd8c531abf561b379995ee7cc4c68029464","versionType":"git"},{"version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","status":"affected","lessThan":"2185e0fdbb2137f22a9dd9fcbf6481400d56299b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt_util.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt_util.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/ed818fd8c531abf561b379995ee7cc4c68029464"},{"url":"https://git.kernel.org/stable/c/2185e0fdbb2137f22a9dd9fcbf6481400d56299b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:06:08.065Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49754","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:24:46.211619Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","lang":"en","type":"CWE","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:26:35.571Z"}}]}}}