CVE-2026-64106

Linux kernel KVM arm64 vgic-its vulnerability: a userspace process can restore an ITS Device Table Entry with a Size encoding more EventID bits than the virtual ITS supports. Although MAPD rejects the state, vgic_its_restore_dte() stores the out-of-range value in dev->num_eventid_bits, allowin...

CVE-2026-64104 virt: sev-guest: Explicitly leak pages in unknown state

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Explicitly leak pages in unknown state When setmemoryencrypted,decrypted fail, the user cannot know at which point the function failed, meaning that the pages are left in an unknown state from the point of view o...

CVE-2026-64101

The CVE describes a Linux kernel vulnerability in the fwctl subsystem (fwctl: pds) where the RPC input buffer is allocated using fwctl_rpc.in_len and then cast to struct fwctl_rpc_pds by pdsfc_fw_rpc(), before validating that the buffer is large enough. The subsequent call to pdsfc_validate_rpc()...

CVE-2026-64094 batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface Without rtnllock held, a hardif might be retrieved as primary interface of a meshif, but then while operating on this interface getting decoupled from the mesh...

CVE-2026-64094 batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: avoid NULL-ptr deref for claim via dropped interface Without rtnllock held, a hardif might be retrieved as primary interface of a meshif, but then while operating on this interface getting decoupled from the mesh...

CVE-2026-64088

CVE-2026-64088 relates to the Linux kernel’s batman-adv code, where batadv_orig_node::tt_buff_len was defined as a signed 16-bit int (s16) but not intended to hold negatives. When values exceed 32767, they wrap to negative values, and in batadv_send_other_tt_response the field is widened to s32, ...

EUVD-2026-45773

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix negative ttbufflen batadvorignode::ttbufflen was declared as s16, but the field is never intended to hold a negative value. When a value greater than 32767 is assigned, it wraps to a negative signed integer. I...

CVE-2026-64084 hwmon: (pmbus/adm1266) cap PDIO scan in get_multiple at ADM1266_PDIO_NR

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 cap PDIO scan in getmultiple at ADM1266PDIONR adm1266gpiogetmultiple iterates the PDIO portion of the caller-supplied mask using foreachsetbitfromgpionr, mask, ADM1266GPIONR + ADM1266PDIOSTATUS ... where...

CVE-2026-64079

The CVE-2026-64079 issue affects the Linux kernel netfilter x_tables path. During arp/ipt registration, the per-netns table is added to the list before allocating per-netns hook ops, leaving a window where the table appears with ops=NULL. If a concurrent pernet exit occurs, nf_unregister_net_hook...

CVE-2026-64060 netfs: Fix leak of request in netfs_write_begin() error handling

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix leak of request in netfswritebegin error handling Fix netfswritebegin to not leak our ref on the request in the event that we get an error from netfswaitforread...

CVE-2026-64048

In the Linux kernel, the following vulnerability has been resolved: net/smc: reject CHID-0 ACCEPT that matches an empty ismdev slot On the SMC-D client, slot 0 of ini-ismdev/ini-ismchid is reserved for an SMC-Dv1 device. smcfindismv2deviceclnt populates V2 entries starting at index 1, so when no ...

CVE-2026-64039 drm/msm/snapshot: fix dumping of the unaligned regions

In the Linux kernel, the following vulnerability has been resolved: drm/msm/snapshot: fix dumping of the unaligned regions The snapshotting code internally aligns data segment to 16 bytes. This works fine for DPU code where most of the regions are aligned, but fails for snapshotting of the DSI da...

CVE-2026-64012 net/sched: sch_sfb: Replace direct dequeue call with peek and qdisc_dequeue_peeked

In the Linux kernel, the following vulnerability has been resolved: net/sched: schsfb: Replace direct dequeue call with peek and qdiscdequeuepeeked When sfb has children eg qfq qdisc whose peek callback is qdiscpeekdequeued, we could get a kernel panic. When the parent of such qdiscs eg illustrat...

CVE-2026-64002 ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

In the Linux kernel, the following vulnerability has been resolved: ipv4: free net-ipv4.sysctllocalreservedports after unregisternetsysctltable ipv4sysctlexitnet is currently freeing net-ipv4.sysctllocalreservedports too soon. Only after unregisternetsysctltable we can be sure no threads can...

CVE-2026-64000 net: hsr: fix potential OOB access in supervision frame handling

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeofstruct hsrsuptlv to the pskbmaypull calls. Without this, a truncated frame could cause an...

CVE-2026-63998 ethtool: module: call ethnl_ops_complete() on module flash errors

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: call ethnlopscomplete on module flash errors When validate fails we are skipping over ethnlopscomplete even tho we already called ethnlopsbegin...

CVE-2026-63996

CVE-2026-63996 concerns the Linux kernel ethtool cmis path. The issue arises when a malicious SFP module responds with a reply length longer than what cmis_cdb_process_reply() expects, potentially causing out-of-bounds writes. The fix involves strengthening the existing length checks to also guar...

EUVD-2026-45566

In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached iphdr value after skbtunnelcheckpmtu skbtunnelcheckpmtu can change skb-head. Reusing oldiph afer skbtunnelcheckpmtu can cause an UAF. Use instead iphdrskb as done in drivers/net/bareudp.c and...

CVE-2026-63993

CVE-2026-63993 corresponds to a Linux kernel issue in VXLAN handling: skb_tunnel_check_pmtu() may modify skb->head, causing a stale ip_hdr() reference to be reused and potentially leading to use-after-free (UAF). The advised remediation is to use ip_hdr(skb) instead of the cached value, as imp...

CVE-2026-63987

Summary: CVE-2026-63987 affects the Linux kernel’s ethtool/ethnl path. The issue arises in ethnl_update_profile(): it iterates a nested Netlink list with index i and writes new_profile[i++] without bounding i. The destination is kmemdup()’d at NET_DIM_PARAMS_NUM_PROFILES entries (5), while Netlin...