EUVD-2026-86868

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix one-byte OOB read in smb2parsenativesymlink When parsing a share-root relative native symlink, memcpy copies smbtarget+1 skipping the leading separator but uses strlensmbtarget+1 as the length, reading one byte...

CVE-2026-97560 smb: client: fix one-byte OOB read in smb2_parse_native_symlink()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix one-byte OOB read in smb2parsenativesymlink When parsing a share-root relative native symlink, memcpy copies smbtarget+1 skipping the leading separator but uses strlensmbtarget+1 as the length, reading one byte...

EUVD-2026-86865

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount in cifsqueueoplockbreak cifsqueueoplockbreak unconditionally takes a reference on the target file before queueing cifsoplockbreak. Only that work item decreases the reference counter again. If...

CVE-2026-97557 smb: client: avoid leaking refcount in cifs_queue_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount in cifsqueueoplockbreak cifsqueueoplockbreak unconditionally takes a reference on the target file before queueing cifsoplockbreak. Only that work item decreases the reference counter again. If...

CVE-2026-97557 smb: client: avoid leaking refcount in cifs_queue_oplock_break()

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount in cifsqueueoplockbreak cifsqueueoplockbreak unconditionally takes a reference on the target file before queueing cifsoplockbreak. Only that work item decreases the reference counter again. If...

EUVD-2026-86864

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount when cifssbtlink fails cifsoplockbreak takes over the reference that cifsqueueoplockbreak acquired when it queued the work, and drops it with cifsFileInfoput once the break has been processed...

EUVD-2026-86863

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When idmodetocifsacl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by daclptr-size. However, replacesidsandcopyaces...

PT-2026-98497

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in the SMB client within the cifs queue oplock break function. The function takes a reference on the target file before queueing cifs oplock break, but the...

Linux Distros Unpatched Vulnerability : CVE-2026-98125

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 stale page cache in insert/collapse range smb3insertrange and smb3collapserange use truncatepagecacherange to invalidate the affected page cache...

CVE-2026-97562

In the Linux kernel, the following vulnerability has been resolved: smb: client: pin DFS superblock in iterator callback tconsupercb stores a raw superblock pointer, but cifsgetsuper takes its active reference only after iteratesuperstype has dropped sumount and its passive reference. Concurrent...

CVE-2026-97555

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When idmodetocifsacl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by daclptr-size. However, replacesidsandcopyaces...

CVE-2026-97555: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix heap overflow in DACL owner/group rewrite When idmodetocifsacl rewrites an existing DACL, it allocates a buffer sized according to the on-disk DACL length reported by daclptr-size. However, replacesidsandcopyaces...

CVE-2026-97557: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid leaking refcount in cifsqueueoplockbreak cifsqueueoplockbreak unconditionally takes a reference on the target file before queueing cifsoplockbreak. Only that work item decreases the reference counter again. If...

CVE-2026-97560

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix one-byte OOB read in smb2parsenativesymlink When parsing a share-root relative native symlink, memcpy copies smbtarget+1 skipping the leading separator but uses strlensmbtarget+1 as the length, reading one byte...

Linux Distros Unpatched Vulnerability : CVE-2026-97555

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 heap overflow in DACL owner/group rewrite When idmodetocifsacl rewrites an existing DACL, it allocates a buffer sized according to the on-disk...

Linux Distros Unpatched Vulnerability : CVE-2026-97561

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: honor forceuid/forcegid when mapping SIDs to uid/gid When the administrator mounts with forceuid or forcegid uid=/gid= mount options, they expect a...

PT-2026-98494

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the cifs posix to fattr function ignores the return value of posix info parse. When an untrusted server provides a malformed POSIX directory entry...

PT-2026-98495

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A heap overflow exists in the SMB client when rewriting a Discretionary Access Control List DACL. The issue occurs in the id mode to cifs acl function, which allocates a buffer based on...

PT-2026-98496

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in the SMB client when the cifs sb tlink function fails. This issue specifically affects configurations using the -o multiuser option. In these scenarios, t...

PT-2026-98498

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference leak occurs in the SMB client during a deferred close operation. When cifs close defers a close, it assigns the cifsFileInfo reference of the closing struct file to queued...