Critical
smb: client: let recv_done verify data_offset, data_length and remaining_data_length
In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.
Announced Group revision 1
Original source ↗CVE-2025-39933
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-39933
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "f198186aa9bbd60fae7a2061f4feec614d880299",
"lessThan": "f23d5c6b7540ec9b1e73a8ea3b2ae9045248d728",
"versionType": "git"
},
{
"status": "affected",
"version": "f198186aa9bbd60fae7a2061f4feec614d880299",
"lessThan": "241e58de23e7c1bbb9bee526c17d9a0f2a90fbad",
"versionType": "git"
},
{
"status": "affected",
"version": "f198186aa9bbd60fae7a2061f4feec614d880299",
"lessThan": "581fb78e0388b78911b0c920e4073737090c8b5f",
"versionType": "git"
},
{
"status": "affected",
"version": "f198186aa9bbd60fae7a2061f4feec614d880299",
"lessThan": "f57e53ea252363234f86674db475839e5b87102e",
"versionType": "git"
}
],
"programFiles": [
"fs/smb/client/smbdirect.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.16"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.16",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.160",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.114",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.16.9",
"versionType": "semver",
"lessThanOrEqual": "6.16.*"
},
{
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/smb/client/smbdirect.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-39933
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #46032 · Revision 1
- Added to Heist Feed
- Publisher date