CVE-2026-64391
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ksmbd: use opener credentials for ADS I/O
In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for ADS I/O Alternate data streams are stored as xattrs. Unlike regular file I/O, their read and write paths therefore call VFS xattr helpers which recheck inode permissions and LSM policy using the current task credentials. Run ADS I/O with the credentials captured when the SMB handle was opened.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| f44158485826c076335d6860d35872271a83791d | affected | git | 2ad5509dd576ae16d252d4698daf03002f9e0234 | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | a8f5d39971bbad9340d49cd41b0e2da9452a649d | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | 2b4592cea214683de0f2ce6f8c22c097fb0ea1ab | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | 52a56cf53ec834c44ac1b4d16d585f26613ee5ce | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | baa5e094886fffa7e6272edcb5e08be5ce28262c | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.15 | Unavailable | None listed |
| 6.6.160 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.96 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.39 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.1.4 | unaffected | semver | Unavailable | 7.1.* | None listed |
| 7.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |