CVE-2026-64030 wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check linkid in ieee80211mlepcs IEEE80211MLESTAEPCSCONTROLLINKID is 0x000f, so linkid extracted from a PRIOACCESS ML element PERSTAPROFILE subelement can be 0..15. sdata-link has IEEE80211MLDMAXNUMLINKS 15...

CVE-2026-64026 rxrpc: Fix DATA decrypt vs splice() by copying data to buffer in recvmsg

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix DATA decrypt vs splice by copying data to buffer in recvmsg This improves the fix for CVE-2026-43500. Fix the pagecache corruption from in-place decryption of a DATA packet transmitted locally by splice by getting rid ...

CVE-2026-64025 bpf, skmsg: fix verdict sk_data_ready racing with ktls rx

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: fix verdict skdataready racing with ktls rx skpsockstrpdataready already checks tlsswhasctxrx and defers to psock-saveddataready when a TLS RX context is present, avoiding a conflict with the TLS strparser's ownership...

CVE-2026-64025 bpf, skmsg: fix verdict sk_data_ready racing with ktls rx

In the Linux kernel, the following vulnerability has been resolved: bpf, skmsg: fix verdict skdataready racing with ktls rx skpsockstrpdataready already checks tlsswhasctxrx and defers to psock-saveddataready when a TLS RX context is present, avoiding a conflict with the TLS strparser's ownership...

CVE-2026-64024 tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction

In the Linux kernel, the following vulnerability has been resolved: tcp: fix stale per-CPU tcptwisn leak enabling ISN prediction Blamed commit moved the TIMEWAIT-derived ISN from the skb control block to a per-CPU variable, assuming the value would always be consumed by tcpconnrequest for the sam...

CVE-2026-64020 nvme-pci: fix dma_vecs leak on p2p memory

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix dmavecs leak on p2p memory We don't unmap P2P memory, so we don't need to track it. The dmavec allocation was getting leaked on the completion...

CVE-2026-64020

The CVE-2026-64020 entry concerns the Linux kernel, specifically the nvme-pci driver. The issue was a leak of dma_vecs allocated for peer-to-peer (P2P) memory that was not unmapped, causing leakage on completion. Documents describe that the fix prevents the leak by addressing how dma_vecs are han...

CVE-2026-64021 drm/xe/oa: Fix exec_queue leak on width check in stream open

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix execqueue leak on width check in stream open In xeoastreamopenioctl, when param.execq-width 1 the function returns -EOPNOTSUPP directly, skipping the existing errexecq cleanup path. The execqueue reference obtained...

CVE-2026-64015 security/keys: fix missed RCU read section on lookup

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed RCU read section on lookup Nicholas Carlini reports that the keyring code calls assocarrayfind in findkeytoupdate without holding the RCU read lock, while the assocarraygc code really is designed around...

CVE-2026-63874

In the Linux kernel, the following vulnerability has been resolved: net: mctp: usb: fix race between urb completion and rxretry cancellation It's possible that sequencing between setting -stopped and cancelling the rxretry work in ndostop could leave us with an urb queued: T1: ndostop T2:...

UBUNTU-CVE-2026-63873

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mmstruct reference leak in aie2populaterange aie2populaterange jumps back to the again label without calling mmputmm, leaking a reference to the mmstruct. Add the missing mmput before jumping to again...

CVE-2026-63871

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix data-race on isopi fields in hcigetroute calls isoconnectbis, isoconnectcis, isolistenbis, and isoconnbigsync call hcigetroute using isopisk-dst, isopisk-src, and isopisk-srctype without holding locksock. Thes...

CVE-2026-64013 ACPI: button: Fix ACPI GPE handler leak during removal

In the Linux kernel, the following vulnerability has been resolved: ACPI: button: Fix ACPI GPE handler leak during removal Commit a7e23ec17fee "ACPI: button: Install notifier for system events as well" changed the ACPI notify handler type for ACPI buttons to ACPIALLNOTIFY, but it forgot to update...

EUVD-2026-45586

In the Linux kernel, the following vulnerability has been resolved: ACPI: button: Fix ACPI GPE handler leak during removal Commit a7e23ec17fee "ACPI: button: Install notifier for system events as well" changed the ACPI notify handler type for ACPI buttons to ACPIALLNOTIFY, but it forgot to update...

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-2026-64007 netfilter: synproxy: refresh tcphdr after skb_ensure_writable

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: refresh tcphdr after skbensurewritable synproxytstampadjust rewrites the TCP timestamp option in place and then patches the TCP checksum via inetprotocsumreplace4 on the caller-supplied tcphdr pointer. Both...

CVE-2026-64005 net/smc: Do not re-initialize smc hashtables

In the Linux kernel, the following vulnerability has been resolved: net/smc: Do not re-initialize smc hashtables INITHLISTHEAD&smcvhashinfo.ht are called after smcnlinit, protoregister and sockregister. This can lead to smcvhashinfo.ht being reset even though hash entries already exist and are...

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

The CVE-2026-64000 entry refers to a Linux kernel vulnerability in the net: hsr subsystem where supervision frame handling could trigger an out-of-bounds access (OOB) due to an inadequate check when accessing TLV headers. The root cause is traced to insufficient linearization of the entire TLV he...

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...