CVE-2026-89758

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89758 mm/mempolicy: skip non-present PMDs when queueing folios

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89758

CVE-2026-89758 is a flaw in the Linux kernel's mm/mempolicy subsystem. Since commit 368076f52ebe introduced device-private THP support to PMD operations, queue_folios_pmd() can be called with a device-private PMD (left by an HMM-based GPU driver after migrating a THP folio via migrate_vma_pages()...

EUVD-2026-76670

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/hugememory: add device-private THP support to PMD operations" a PMD may...

CVE-2026-89669

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4copynotify finished initializing the cpntf state after nfs4allocinitcpntfstate had already linked it into the s2scpstateids IDR and the parent's sccplist, with cscoun...

EUVD-2026-76581

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4copynotify finished initializing the cpntf state after nfs4allocinitcpntfstate had already linked it into the s2scpstateids IDR and the parent's sccplist, with cscoun...

CVE-2026-89669

CVE-2026-89669 is a use-after-free in the Linux kernel's nfsd (NFS server) component. The copy-notify state ID was published into the s2s_cp_stateids IDR before its cp_p_stateid/cp_p_clid fields were fully initialized. A racing OFFLOAD_CANCEL with a crafted client ID and guessable sequence number...

CVE-2026-89669 nfsd: initialize copy-notify stateid before publishing it

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4copynotify finished initializing the cpntf state after nfs4allocinitcpntfstate had already linked it into the s2scpstateids IDR and the parent's sccplist, with cscoun...

CVE-2026-89669 nfsd: initialize copy-notify stateid before publishing it

In the Linux kernel, the following vulnerability has been resolved: nfsd: initialize copy-notify stateid before publishing it nfsd4copynotify finished initializing the cpntf state after nfs4allocinitcpntfstate had already linked it into the s2scpstateids IDR and the parent's sccplist, with cscoun...

CVE-2026-89648 ceph: cap delegated inode count in ceph_parse_deleg_inos()

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...

CVE-2026-89648 ceph: cap delegated inode count in ceph_parse_deleg_inos()

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...

CVE-2026-89648

CVE-2026-89648 affects the Linux kernel Ceph client in the function ceph_parse_deleg_inos(). When decoding delegated-inode intervals from an MDS create-with-delegation reply, the 64-bit len field is fully attacker-controlled and was previously unbounded. A malicious or compromised Ceph MDS can se...

EUVD-2026-76560

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...

CVE-2026-89648

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...

CVE-2026-89563

CVE-2026-89563 is a double-free vulnerability in the Linux kernel's ip6_tunnel module. The ip6_tnl_xmit() function uses skb_realloc_headroom() to expand headroom before pushing outer IPv6 and optional encap headers, consuming the original socket buffer (skb) and keeping the replacement only in a ...

CVE-2026-89563 ip6_tunnel: use skb_cow_head() in ip6_tnl_xmit()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbcowhead in ip6tnlxmit ip6tnlxmit may need to expand headroom before it can push the outer IPv6 and optional encap headers. It currently does that with skbreallocheadroom, copies skb-sk ownership, consumes the...

CVE-2026-89563 ip6_tunnel: use skb_cow_head() in ip6_tnl_xmit()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbcowhead in ip6tnlxmit ip6tnlxmit may need to expand headroom before it can push the outer IPv6 and optional encap headers. It currently does that with skbreallocheadroom, copies skb-sk ownership, consumes the...

EUVD-2026-76474

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbcowhead in ip6tnlxmit ip6tnlxmit may need to expand headroom before it can push the outer IPv6 and optional encap headers. It currently does that with skbreallocheadroom, copies skb-sk ownership, consumes the...

CVE-2026-89563

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbcowhead in ip6tnlxmit ip6tnlxmit may need to expand headroom before it can push the outer IPv6 and optional encap headers. It currently does that with skbreallocheadroom, copies skb-sk ownership, consumes the...

EUVD-2026-76448

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...