Threats Tagged 'cve-2026-64391'
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Threats Tagged 'cve-2026-64391'
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In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for ADS I/O Alternate data streams are stored as… (CVE-2026-64391)CVE-2026-64391 0 A vulnerability in the Linux kernel's ksmbd component related to handling Alternate Data Streams (ADS) I/O has been resolved. The issue involved improper use of credentials during ADS read and write operations, which use extended attributes (xattrs) and invoke VFS xattr helpers that recheck permissions using current task credentials instead of the credentials captured when the SMB handle was opened. This could lead to incorrect permission enforcement during ADS I/O. Join the discussion | GCVE Database | 07/25/2026, 12:31:33 UTC Added: 07/25/2026, 23:08:59 UTC |
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