Linux Distros Unpatched Vulnerability : CVE-2026-98127

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb/client: validate new EOF for insert range smb3insertrange does not check if the new file size isize + len is valid. This allows FALLOCFLINSERTRANGE to bypas...

UBUNTU-CVE-2026-97558

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix cifsFileInfo reference leak in deferred close When cifsclose defers a close, it hands the cifsFileInfo reference of the closing struct file to the queued work. Each execution of smb2deferredworkclose drops one su...

UBUNTU-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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-98124

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb/client: invalidate fscache for fallocate range operations smb3zerorange, smb3punchhole, smb3insertrange, and smb3collapserange modify file contents through...

CVE-2026-98127

In the Linux kernel, the following vulnerability has been resolved: smb/client: validate new EOF for insert range smb3insertrange does not check if the new file size isize + len is valid. This allows FALLOCFLINSERTRANGE to bypass RLIMITFSIZE, exceed smaxbytes, or produce a size outside the lofft...

UBUNTU-CVE-2026-98124

In the Linux kernel, the following vulnerability has been resolved: smb/client: invalidate fscache for fallocate range operations smb3zerorange, smb3punchhole, smb3insertrange, and smb3collapserange modify file contents through server-side range operations. These operations discard the affected...

CVE-2026-98126

In the Linux kernel, the following vulnerability has been resolved: smb/client: validate new EOF for zero range When FALLOCFLZERORANGE is used without FALLOCFLKEEPSIZE, smb3zerorange may extend EOF without checking RLIMITFSIZE, allowing the file to grow beyond the caller's file-size limit. Fix th...

UBUNTU-CVE-2026-98126

In the Linux kernel, the following vulnerability has been resolved: smb/client: validate new EOF for zero range When FALLOCFLZERORANGE is used without FALLOCFLKEEPSIZE, smb3zerorange may extend EOF without checking RLIMITFSIZE, allowing the file to grow beyond the caller's file-size limit. Fix th...

UBUNTU-CVE-2026-98127

In the Linux kernel, the following vulnerability has been resolved: smb/client: validate new EOF for insert range smb3insertrange does not check if the new file size isize + len is valid. This allows FALLOCFLINSERTRANGE to bypass RLIMITFSIZE, exceed smaxbytes, or produce a size outside the lofft...

UBUNTU-CVE-2026-97559

In the Linux kernel, the following vulnerability has been resolved: smb: client: fail DACL rewrite when the new DACL exceeds 64K replacesidsandcopyaces and setchmoddacl accumulate the size of the DACL they build in a u16. That accumulator can wrap. validatedacl caps numaces at daclsize -...

CVE-2026-98124

In the Linux kernel, the following vulnerability has been resolved: smb/client: invalidate fscache for fallocate range operations smb3zerorange, smb3punchhole, smb3insertrange, and smb3collapserange modify file contents through server-side range operations. These operations discard the affected...

UBUNTU-CVE-2026-97554

In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid using uninitialized SIDs in cifsposixtofattr cifsposixtofattr ignores the return value of posixinfoparse. When a malformed POSIX directory entry is encountered e.g. invalid SID lengths from an untrusted server,...

UBUNTU-CVE-2026-97557

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...

UBUNTU-CVE-2026-98125

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix stale page cache in insert/collapse range smb3insertrange and smb3collapserange use truncatepagecacherange to invalidate the affected page cache. However, if off or oldeof is not page-aligned, the boundary pages a...

Linux Distros Unpatched Vulnerability : CVE-2026-97564

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: reject userspace cifs.idmap descriptions cifs.idmap key descriptions carry authority-bearing fields owner and group SIDs and uid/gid values in...

Linux Distros Unpatched Vulnerability : CVE-2026-97562

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: pin DFS superblock in iterator callback tconsupercb stores a raw superblock pointer, but cifsgetsuper takes its active reference only after...

SUSE CVE-2026-93794

In the Linux kernel, the following vulnerability has been resolved: smb/client: flush dirty data before punching a hole Punching a hole after a large buffered write may leave the range reported as data. Reproduce it with: xfsio -f \ -c "pwrite -b 3m -S 0x61 0 3m" \ -c "fpunch 1m 1m" \ -c "seek -h...

SUSE CVE-2026-93801

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong value if they are not set later...

DEBIAN-CVE-2026-93801

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong value if they are not set later...