CVE-2026-23303 (GCVE-0-2026-23303)
Vulnerability from cvelistv5
Published
2026-03-25 10:26
Modified
2026-04-18 08:57
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
smb: client: Don't log plaintext credentials in cifs_set_cifscreds
When debug logging is enabled, cifs_set_cifscreds() logs the key
payload and exposes the plaintext username and password. Remove the
debug log to avoid exposing credentials.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 Version: 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/smb/client/connect.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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},
{
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],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "3.3"
},
{
"lessThan": "3.3",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.253",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.203",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.167",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.130",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.77",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.17",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"version": "6.19.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.0",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
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"versionStartIncluding": "3.3",
"vulnerable": true
},
{
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},
{
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{
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{
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{
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"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: Don\u0027t log plaintext credentials in cifs_set_cifscreds\n\nWhen debug logging is enabled, cifs_set_cifscreds() logs the key\npayload and exposes the plaintext username and password. Remove the\ndebug log to avoid exposing credentials."
}
],
"providerMetadata": {
"dateUpdated": "2026-04-18T08:57:50.190Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc"
},
{
"url": "https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26"
},
{
"url": "https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d"
},
{
"url": "https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61"
},
{
"url": "https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1"
},
{
"url": "https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1"
},
{
"url": "https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972"
},
{
"url": "https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d"
}
],
"title": "smb: client: Don\u0027t log plaintext credentials in cifs_set_cifscreds",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23303",
"datePublished": "2026-03-25T10:26:58.166Z",
"dateReserved": "2026-01-13T15:37:45.993Z",
"dateUpdated": "2026-04-18T08:57:50.190Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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