AZL-92540 CVE-2026-53392 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-63800 pNFS: Fix use-after-free in pnfs_update_layout()

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

EUVD-2026-45466

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

CVE-2026-63800

CVE-2026-63800 — Linux kernel (pNFS use-after-free) Affected: kernel code handling pnfs_update_layout() for NFS_LAYOUT_RETURN.Cause: If pnfs_prepare_to_retry_layoutget(lo) succeeds, pnfs_put_layout_hdr(lo) runs before trace_pnfs_update_layout(), while the tracepoint still references the structure...

CVE-2026-63800

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

CVE-2026-63800

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

CVE-2026-63800 pNFS: Fix use-after-free in pnfs_update_layout()

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it succeeds, pnfsputlayouthdrlo is called before tracepnfsupdatelayout,...

EUVD-2026-45454

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-53399 nfsd: release layout stid on setlease failure

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-53399

The CVE-2026-53399 issue affects the Linux kernel NFS server (nfsd) where nfs4_alloc_stid() publishes a new stid into cl_stateids with idr_alloc_cyclic under cl_lock, and if nfsd4_layout_setlease() fails, the teardown path frees the layout stateid directly via kmem_cache_free() without idr_remove...

CVE-2026-53399 nfsd: release layout stid on setlease failure

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-53399

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-53392

CVE-2026-53392 affects the Linux kernel’s NFSv4/flexfiles path. The flaw arises in ff_layout_alloc_lseg(), which decodes the filehandle-version array count and uses it to allocate with kzalloc_objs(). A zero count can yield ZERO_SIZE_PTR and get stored in dss_info->fh_versions, while later fle...

CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

PT-2026-61398

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the arm ffa firmware component where framework notification messages in the shared RX buffer are not properly validated. Specifically, the system fails to verify the...

PT-2026-61104

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory management issue exists in the nfsd component. When nfsd4 layout setlease fails, the error path incorrectly frees the layout stateid using kmem cache free without calling idr...

PT-2026-61394

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the netfilter ebtables component occurs due to the way table structures are removed. The issue is addressed by implementing a two-stage removal scheme to ensure that the...

Linux Distros Unpatched Vulnerability : CVE-2026-53392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle- version array count from the flexfiles layout body. The value is...

Linux Distros Unpatched Vulnerability : CVE-2026-63800

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pNFS: Fix use-after-free in pnfsupdatelayout When hitting the NFSLAYOUTRETURN branch in pnfsupdatelayout, the code calls pnfspreparetoretrylayoutgetlo. If it...

PT-2026-61116

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the pNFS component. When the NFS LAYOUT RETURN branch is triggered within the pnfs update layout function, the system calls pnfs prepare to retry...