{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-4130","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2023-08-03T08:12:08.227Z","datePublished":"2025-08-16T13:27:58.227Z","dateUpdated":"2026-05-11T19:27:12.969Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:27:12.969Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()\n\nThere are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request\nfrom client. ksmbd find next smb2_ea_info using ->NextEntryOffset of\ncurrent smb2_ea_info. ksmbd need to validate buffer length Before\naccessing the next ea. ksmbd should check buffer length using buf_len,\nnot next variable. next is the start offset of current ea that got from\nprevious ea."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smb2pdu.c"],"versions":[{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","lessThan":"aeb974907642be095e38ecb1a400ca583958b2b0","status":"affected","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","lessThan":"f339d76a3a972601d0738b881b099d49ebbdc3a2","status":"affected","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","lessThan":"4bf629262f9118ee91b1c3a518ebf2b3bcb22180","status":"affected","versionType":"git"},{"version":"0626e6641f6b467447c81dd7678a69c66f7746cf","lessThan":"79ed288cef201f1f212dfb934bcaac75572fb8f6","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/server/smb2pdu.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"5.15.127","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.46","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.4.11","lessThanOrEqual":"6.4.*","status":"unaffected","versionType":"semver"},{"version":"6.5","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":"5.15","versionEndExcluding":"5.15.127"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.4.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.5"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/aeb974907642be095e38ecb1a400ca583958b2b0"},{"url":"https://git.kernel.org/stable/c/f339d76a3a972601d0738b881b099d49ebbdc3a2"},{"url":"https://git.kernel.org/stable/c/4bf629262f9118ee91b1c3a518ebf2b3bcb22180"},{"url":"https://git.kernel.org/stable/c/79ed288cef201f1f212dfb934bcaac75572fb8f6"}],"title":"ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()","x_generator":{"engine":"bippy-1.2.0"}}}}