cifs: parse_dfs_referrals: prevent oob on malformed input
In the Linux kernel, the following vulnerability has been resolved: cifs: parse_dfs_referrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS - reply smaller than sizeof(struct get_dfs_referral_rsp) - reply with number of referrals smaller than NumberOfReferrals in the header Processing of such replies will cause oob. Return -EINVAL error on such replies to prevent oob-s.
CVE-2025-40099
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-2025-40099
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": "4ecce920e13ace16a5ba45efe8909946c28fb2ad",
"lessThan": "cfacc7441f760e4a73cc71b6ff1635261d534657",
"versionType": "git"
},
{
"status": "affected",
"version": "4ecce920e13ace16a5ba45efe8909946c28fb2ad",
"lessThan": "15c73964da9df994302f579ed14ee5fdbce7a332",
"versionType": "git"
},
{
"status": "affected",
"version": "4ecce920e13ace16a5ba45efe8909946c28fb2ad",
"lessThan": "8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058",
"versionType": "git"
},
{
"status": "affected",
"version": "4ecce920e13ace16a5ba45efe8909946c28fb2ad",
"lessThan": "bb0f2e66e1ac043a5b238f5bcab4f26f3c317039",
"versionType": "git"
},
{
"status": "affected",
"version": "4ecce920e13ace16a5ba45efe8909946c28fb2ad",
"lessThan": "6447b0e355562a1ff748c4a2ffb89aae7e84d2c9",
"versionType": "git"
}
],
"programFiles": [
"fs/smb/client/misc.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.11"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.11",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.158",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.114",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.55",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.17.5",
"versionType": "semver",
"lessThanOrEqual": "6.17.*"
},
{
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/smb/client/misc.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-40099
Source reference:
/cveMetadata/cveId
Publisher severity
critical
Source reference: /containers/cna/metrics
- Event
- #30672 · Revision 1
- Added to Heist Feed
- Publisher date