CVE-2026-89700

In the Linux kernel, the following vulnerability has been resolved: nfsd: validate sockaddr length per family in listenerset nfsdsocknlpolicy declares NFSDASOCKADDR as a bare NLABINARY attribute with no minimum length. A CAPNETADMIN caller can send a 16-byte NFSDASOCKADDR with safamily=AFINET6,...

CVE-2026-89700 nfsd: validate sockaddr length per family in listener_set

In the Linux kernel, the following vulnerability has been resolved: nfsd: validate sockaddr length per family in listenerset nfsdsocknlpolicy declares NFSDASOCKADDR as a bare NLABINARY attribute with no minimum length. A CAPNETADMIN caller can send a 16-byte NFSDASOCKADDR with safamily=AFINET6,...

CVE-2026-89698

In the Linux kernel, the following vulnerability has been resolved: nfsd: widen nfsdgenlrqstp address fields to sockaddrstorage struct nfsdgenlrqstp declares rqdaddr and rqsaddr as plain "struct sockaddr" 16 bytes. When an IPv6 NFS client is connected, nfsdgenlrpcstatuscomposemsg casts these fiel...

CVE-2026-89698 nfsd: widen nfsd_genl_rqstp address fields to sockaddr_storage

In the Linux kernel, the following vulnerability has been resolved: nfsd: widen nfsdgenlrqstp address fields to sockaddrstorage struct nfsdgenlrqstp declares rqdaddr and rqsaddr as plain "struct sockaddr" 16 bytes. When an IPv6 NFS client is connected, nfsdgenlrpcstatuscomposemsg casts these fiel...

CVE-2026-89698 nfsd: widen nfsd_genl_rqstp address fields to sockaddr_storage

In the Linux kernel, the following vulnerability has been resolved: nfsd: widen nfsdgenlrqstp address fields to sockaddrstorage struct nfsdgenlrqstp declares rqdaddr and rqsaddr as plain "struct sockaddr" 16 bytes. When an IPv6 NFS client is connected, nfsdgenlrpcstatuscomposemsg casts these fiel...

EUVD-2026-76610

In the Linux kernel, the following vulnerability has been resolved: nfsd: widen nfsdgenlrqstp address fields to sockaddrstorage struct nfsdgenlrqstp declares rqdaddr and rqsaddr as plain "struct sockaddr" 16 bytes. When an IPv6 NFS client is connected, nfsdgenlrpcstatuscomposemsg casts these fiel...

CVE-2026-89698

CVE-2026-89698 is a Linux kernel vulnerability in the NFS daemon (nfsd) generic netlink interface. The rq_daddr and rq_saddr fields in struct nfsd_genl_rqstp are declared as struct sockaddr (16 bytes), but nfsd_genl_rpc_status_compose_msg() casts them to struct sockaddr_in6 * (28 bytes) when an I...

CVE-2026-89691

CVE-2026-89691 is an out-of-bounds read vulnerability in the Linux kernel's nfsd (Network File System Daemon) component. The nfsd4_release_compoundargs() function resets the args->ops pointer to the inline iops[8] array when the dynamically allocated buffer is freed, but fails to zero args-&gt...

CVE-2026-89691 nfsd: clear opcnt on compound arg release to prevent OOB read

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear opcnt on compound arg release to prevent OOB read nfsd4releasecompoundargs resets args-ops to the inline iops8 array when the dynamically-allocated ops buffer is freed, but leaves args-opcnt at its original value whic...

EUVD-2026-76603

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear opcnt on compound arg release to prevent OOB read nfsd4releasecompoundargs resets args-ops to the inline iops8 array when the dynamically-allocated ops buffer is freed, but leaves args-opcnt at its original value whic...

CVE-2026-89691 nfsd: clear opcnt on compound arg release to prevent OOB read

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear opcnt on compound arg release to prevent OOB read nfsd4releasecompoundargs resets args-ops to the inline iops8 array when the dynamically-allocated ops buffer is freed, but leaves args-opcnt at its original value whic...

CVE-2026-89691

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear opcnt on compound arg release to prevent OOB read nfsd4releasecompoundargs resets args-ops to the inline iops8 array when the dynamically-allocated ops buffer is freed, but leaves args-opcnt at its original value whic...

EUVD-2026-76573

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent post-shutdown use-after-free in unlockfilesystem Writing a filesystem path to /proc/fs/nfsd/unlockfilesystem runs nfsd4cancelcopybysb before nfsdmutex is held and before the handler confirms that nn-nfsdserv is set...

CVE-2026-89657 libceph: validate OSD extent maps before cursor advance

In the Linux kernel, the following vulnerability has been resolved: libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent lengths, but it does not validate that each OSD-supplied extent is...

CVE-2026-89657

CVE-2026-89657 affects the Linux kernel libceph subsystem, specifically osd_sparse_read() in net/ceph/osd_client.c . The function validates that sparse-read data length matches summed extent lengths but fails to verify each OSD-supplied extent is monotonic and within the original request range. A...

EUVD-2026-76569

In the Linux kernel, the following vulnerability has been resolved: libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent lengths, but it does not validate that each OSD-supplied extent is...

CVE-2026-89657

In the Linux kernel, the following vulnerability has been resolved: libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent lengths, but it does not validate that each OSD-supplied extent is...

CVE-2026-89657 libceph: validate OSD extent maps before cursor advance

In the Linux kernel, the following vulnerability has been resolved: libceph: validate OSD extent maps before cursor advance net/ceph/osdclient.c:osdsparseread validates that the sparse-read data length matches the summed extent lengths, but it does not validate that each OSD-supplied extent is...

EUVD-2026-76563

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6. For each record the match.path and match.fsname byte strings are rea...

CVE-2026-89651 ceph: bound MDSCapAuth path and fs_name decode in handle_session()

In the Linux kernel, the following vulnerability has been resolved: ceph: bound MDSCapAuth path and fsname decode in handlesession handlesession decodes the MDSCapAuth records carried by a CEPHSESSIONOPEN message msgversion = 6. For each record the match.path and match.fsname byte strings are rea...