CVE-2026-64257

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject overlapping data areas in SMB2 responses Commit 53b7c271f06b "smb: client: restrict implied bcc0 exemption to responses without data area" restricted the implied bcc0 length exception to responses without a da...

EUVD-2026-48969

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject overlapping data areas in SMB2 responses Commit 53b7c271f06b "smb: client: restrict implied bcc0 exemption to responses without data area" restricted the implied bcc0 length exception to responses without a da...

CVE-2026-64257

CVE-2026-64257 affects the Linux kernel SMB2 client logic. The issue arose from overlap handling in __smb2_calc_size(), where clearing data_length could cause an invalid SMB2 response to appear as if it has no data area, allowing an unintended length-exemption path. The fix tracks data area overl...

PT-2026-64615

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the Linux kernel, the ksmbd module contains a permission bypass. The smb2 set info sec function calls set info sec without performing a per-handle access check. This allows a client t...

PT-2026-64606

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 ioctl init function fails before the...

Linux Distros Unpatched Vulnerability : CVE-2026-64383

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2flush replay SMB2flush keeps its response buffer...

Linux Distros Unpatched Vulnerability : CVE-2026-64450

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can...

PT-2026-64669

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read issue exists in the SMB client. The smb2 check message function incorrectly applies a one-byte length exemption unconditionally, regardless of whether the command...

PT-2026-64726

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the RNDIS Remote Network Driver Interface Specification gadget function. The rndis rm hdr function fails to verify the length of the RNDIS header before accessing its...

PT-2026-64604

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. The SMB2 flush function maintains response buffer bookkeeping across replay attempts. If a replayable flush response is received and the...

PT-2026-64618

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the ksmbd module, the smb2 query dir function stores a pointer to stack-allocated private data within the ksmbd file readdir data. When concurrent QUERY DIRECTORY requests use the sam...

Linux Distros Unpatched Vulnerability : CVE-2026-64382

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2open replay A response-bearing attempt can return a...

Linux Distros Unpatched Vulnerability : CVE-2026-64384

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a...

PT-2026-64601

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client regarding the parsing of POSIX SID lengths. The function posix info sid size reads sid1 to determine the subauthority count, but the boundary check...

PT-2026-64478

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB2 client where the smb2 calc size function clears data length during overlap handling. This behavior can cause an invalid response to be incorrectly identified ...

PT-2026-64605

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 notify init function fails before the...

PT-2026-64609

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Ownership and group modifications were ignored when mounting with SMB3 POSIX Extensions, unless CIFS MOUNT CIFS ACL or CIFS MOUNT MODE FROM SID were explicitly set. The issue occurs with...

Linux Distros Unpatched Vulnerability : CVE-2026-64437

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on SMB2CLOSE then SMB2CANCEL Commit...

Linux Distros Unpatched Vulnerability : CVE-2026-64388

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb/client: fix chown/chgrp with SMB3 POSIX Extensions Ownership chown and group chgrp modifications were being ignored when mounting with SMB3 POSIX Extensions...

Linux Distros Unpatched Vulnerability : CVE-2026-64379

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parsedacl applies the server-provided subauth2 value from the NFS mod...