{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-37947", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.972Z", "datePublished": "2025-05-20T16:01:43.788Z", "dateUpdated": "2025-05-26T05:24:18.929Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:24:18.929Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: prevent out-of-bounds stream writes by validating *pos\n\nksmbd_vfs_stream_write() did not validate whether the write offset\n(*pos) was within the bounds of the existing stream data length (v_len).\nIf *pos was greater than or equal to v_len, this could lead to an\nout-of-bounds memory write.\n\nThis patch adds a check to ensure *pos is less than v_len before\nproceeding. If the condition fails, -EINVAL is returned."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/vfs.c"], "versions": [{"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "7f61da79df86fd140c7768e668ad846bfa7ec8e1", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "04c8a38c60346bb5a7c49b276de7233f703ce9cb", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "d62ba16563a86aae052f96d270b3b6f78fca154c", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "e6356499fd216ed6343ae0363f4c9303f02c5034", "status": "affected", "versionType": "git"}, {"version": "0626e6641f6b467447c81dd7678a69c66f7746cf", "lessThan": "0ca6df4f40cf4c32487944aaf48319cb6c25accc", "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/vfs.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.139", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.91", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.29", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.7", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "6.1.139"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.29"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.14.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7f61da79df86fd140c7768e668ad846bfa7ec8e1"}, {"url": "https://git.kernel.org/stable/c/04c8a38c60346bb5a7c49b276de7233f703ce9cb"}, {"url": "https://git.kernel.org/stable/c/d62ba16563a86aae052f96d270b3b6f78fca154c"}, {"url": "https://git.kernel.org/stable/c/e6356499fd216ed6343ae0363f4c9303f02c5034"}, {"url": "https://git.kernel.org/stable/c/0ca6df4f40cf4c32487944aaf48319cb6c25accc"}], "title": "ksmbd: prevent out-of-bounds stream writes by validating *pos", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: prevent out-of-bounds stream writes by validating *pos\n\nksmbd_vfs_stream_write() did not validate whether the write offset\n(*pos) was within the bounds of the existing stream data length (v_len).\nIf *pos was greater than or equal to v_len, this could lead to an\nout-of-bounds memory write.\n\nThis patch adds a check to ensure *pos is less than v_len before\nproceeding. If the condition fails, -EINVAL is returned."}], "id": "CVE-2025-37947", "lastModified": "2025-05-21T20:24:58.133", "metrics": {}, "published": "2025-05-20T16:15:32.677", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04c8a38c60346bb5a7c49b276de7233f703ce9cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0ca6df4f40cf4c32487944aaf48319cb6c25accc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f61da79df86fd140c7768e668ad846bfa7ec8e1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d62ba16563a86aae052f96d270b3b6f78fca154c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e6356499fd216ed6343ae0363f4c9303f02c5034"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ksmbd: prevent out-of-bounds stream writes by validating *pos", "id": "2367569", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367569"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nksmbd: prevent out-of-bounds stream writes by validating *pos\nksmbd_vfs_stream_write() did not validate whether the write offset\n(*pos) was within the bounds of the existing stream data length (v_len).\nIf *pos was greater than or equal to v_len, this could lead to an\nout-of-bounds memory write.\nThis patch adds a check to ensure *pos is less than v_len before\nproceeding. If the condition fails, -EINVAL is returned."], "name": "CVE-2025-37947", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37947\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37947\nhttps://lore.kernel.org/linux-cve-announce/2025052059-CVE-2025-37947-8c07@gregkh/T"], "threat_severity": "Low"}