{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48938","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-22T01:27:53.623Z","datePublished":"2024-08-22T03:31:33.381Z","dateUpdated":"2025-12-23T13:21:10.313Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-23T13:21:10.313Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nCDC-NCM: avoid overflow in sanity checking\n\nA broken device may give an extreme offset like 0xFFF0\nand a reasonable length for a fragment. In the sanity\ncheck as formulated now, this will create an integer\noverflow, defeating the sanity check. Both offset\nand offset + len need to be checked in such a manner\nthat no overflow can occur.\nAnd those quantities should be unsigned."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/cdc_ncm.c"],"versions":[{"version":"4ca8b8855264cf1439cdab3da7049bd1e3c2a9e6","lessThan":"a612395c7631918e0e10ea48b9ce5ab4340f26a6","status":"affected","versionType":"git"},{"version":"a270ca35a9499b58366d696d3290eaa4697a42db","lessThan":"9957fbf34f52a4d8945d1bf39aae400ef9a11246","status":"affected","versionType":"git"},{"version":"0fa81b304a7973a499f844176ca031109487dd31","lessThan":"69560efa001397ebb8dc1c3e6a3ce00302bb9f7f","status":"affected","versionType":"git"},{"version":"0fa81b304a7973a499f844176ca031109487dd31","lessThan":"49909c9f8458cacb5b241106cba65aba5a6d8f4c","status":"affected","versionType":"git"},{"version":"0fa81b304a7973a499f844176ca031109487dd31","lessThan":"7b737e47b87589031f0d4657f6d7b0b770474925","status":"affected","versionType":"git"},{"version":"0fa81b304a7973a499f844176ca031109487dd31","lessThan":"8d2b1a1ec9f559d30b724877da4ce592edc41fdc","status":"affected","versionType":"git"},{"version":"8cf7db86a8984ffa3a3388a8df12bc0aa4c79bd7","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/cdc_ncm.c"],"versions":[{"version":"5.7","status":"affected"},{"version":"0","lessThan":"5.7","status":"unaffected","versionType":"semver"},{"version":"4.19.323","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.285","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.103","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.26","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.12","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17","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":"4.19.285","versionEndExcluding":"4.19.323"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.245","versionEndExcluding":"5.4.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.16.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.317"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a612395c7631918e0e10ea48b9ce5ab4340f26a6"},{"url":"https://git.kernel.org/stable/c/9957fbf34f52a4d8945d1bf39aae400ef9a11246"},{"url":"https://git.kernel.org/stable/c/69560efa001397ebb8dc1c3e6a3ce00302bb9f7f"},{"url":"https://git.kernel.org/stable/c/49909c9f8458cacb5b241106cba65aba5a6d8f4c"},{"url":"https://git.kernel.org/stable/c/7b737e47b87589031f0d4657f6d7b0b770474925"},{"url":"https://git.kernel.org/stable/c/8d2b1a1ec9f559d30b724877da4ce592edc41fdc"}],"title":"CDC-NCM: avoid overflow in sanity checking","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48938","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:32:27.711835Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:32:59.501Z"}}]}}