{"id":"CVE-2025-38208","state":"PUBLISHED","title":"smb: client: add NULL check in automount_fullpath","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: add NULL check in automount_fullpath\n\npage is checked for null in __build_path_from_dentry_optional_prefix\nwhen tcon->origin_fullpath is not set. However, the check is missing when\nit is set.\nAdd a check to prevent a potential NULL pointer dereference.","publishedAt":"2025-07-04T13:37:28.226Z","updatedAt":"2026-05-23T15:59:12.615Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"37166d63e42c34846a16001950ecec96229a8d17","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"a9e916fa5c7d0ec2256aa44aa24ddd92f529ce35","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"cce8e71ca1f7ad9045707f0d22490c1e9ed1df6c","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"f1e7a277a1736e12cc4bd6d93b8a5c439b8ca20c","versionType":"git"},{"version":"e91802036b3e6e6e803a17ddf5783a6354fe5380","status":"affected","versionType":"git"},{"version":"6.2.13","status":"affected","lessThan":"6.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/namespace.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.6.95","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.35","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.4","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/namespace.c"]}],"references":["https://git.kernel.org/stable/c/37166d63e42c34846a16001950ecec96229a8d17","https://git.kernel.org/stable/c/a9e916fa5c7d0ec2256aa44aa24ddd92f529ce35","https://git.kernel.org/stable/c/cce8e71ca1f7ad9045707f0d22490c1e9ed1df6c","https://git.kernel.org/stable/c/f1e7a277a1736e12cc4bd6d93b8a5c439b8ca20c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38208.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38208","state":"PUBLISHED","datePublished":"2025-07-04T13:37:28.226Z","dateUpdated":"2026-05-23T15:59:12.615Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.994Z"},"containers":{"cna":{"title":"smb: client: add NULL check in automount_fullpath","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: add NULL check in automount_fullpath\n\npage is checked for null in __build_path_from_dentry_optional_prefix\nwhen tcon->origin_fullpath is not set. However, the check is missing when\nit is set.\nAdd a check to prevent a potential NULL pointer dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"37166d63e42c34846a16001950ecec96229a8d17","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"a9e916fa5c7d0ec2256aa44aa24ddd92f529ce35","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"cce8e71ca1f7ad9045707f0d22490c1e9ed1df6c","versionType":"git"},{"version":"d5a863a153e90996ab2aef6b9e08d509f4d5662b","status":"affected","lessThan":"f1e7a277a1736e12cc4bd6d93b8a5c439b8ca20c","versionType":"git"},{"version":"e91802036b3e6e6e803a17ddf5783a6354fe5380","status":"affected","versionType":"git"},{"version":"6.2.13","status":"affected","lessThan":"6.3","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/namespace.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.6.95","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.35","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.4","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/smb/client/namespace.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/37166d63e42c34846a16001950ecec96229a8d17"},{"url":"https://git.kernel.org/stable/c/a9e916fa5c7d0ec2256aa44aa24ddd92f529ce35"},{"url":"https://git.kernel.org/stable/c/cce8e71ca1f7ad9045707f0d22490c1e9ed1df6c"},{"url":"https://git.kernel.org/stable/c/f1e7a277a1736e12cc4bd6d93b8a5c439b8ca20c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:59:12.615Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.15.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}