EUVD-2026-64418

In the Linux kernel, the following vulnerability has been resolved: schedext: Skip sub-disable teardown for never-linked sub-schedulers A sub-scheduler enable can fail before scxlinksched links the sched into the hierarchy, e.g. when the parent is already being disabled, and cleanup still runs th...

EUVD-2026-64412

In the Linux kernel, the following vulnerability has been resolved: enic: fix txhangreset use-after-free on device removal enicremove cancels the reset and changemtuwork items but does not cancel txhangreset. A TX timeout that fires while the device is being removed can schedule enictxhangreset s...

EUVD-2026-64417

In the Linux kernel, the following vulnerability has been resolved: NFS: Pin the 'struct nfsserver' during a FREESTATEID call Dan Aloni reports that he was able to hit a use-after-free bug if a FREESTATEID operation gets delayed for whatever reason. Fix this by bumping the refcount of the 'struct...

EUVD-2026-64414

In the Linux kernel, the following vulnerability has been resolved: ovpn: skip rehash for peers already removed from byid ovpnnlpeersetdoit resolves the target peer via ovpnpeergetbyid before taking ovpn-lock. In the window between the lookup which only takes a refcount and the subsequent...

EUVD-2026-64401

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

EUVD-2026-64392

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation skbudptunnelsegment gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb-head, the saved UDP header pointer is no longer...

EUVD-2026-64387

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Always acquire rtnllock when destroying locked classifiers Another challenge with unlocked filters. There is a short window in tcnewtfilter where a tcfproto can be found and briefly referenced by a totally...

EUVD-2026-64377

In the Linux kernel, the following vulnerability has been resolved: s390/ism: Fix UAF of sba and ieq during ismdevexit A ism interrupt handler can be active in parallel with ismdevexit, accessing freed data structures. No new interrupts will be generated after unregisterieq. Drain ongoing interru...

EUVD-2026-64374

In the Linux kernel, the following vulnerability has been resolved: watchdog: at91sam9wdt: prevent timer rearm during teardown at91ping rearms the watchdog timer from its callback. timerdelete neither waits for a running callback nor prevents it from rearming the timer, so probe failure or driver...

EUVD-2026-64375

In the Linux kernel, the following vulnerability has been resolved: sctp: clear control chunk transport if it is being removed sctpmakeheartbeatack caches the destination transport in chunk-transport without taking a reference. When srcoutofasocok is enabled, the HEARTBEAT ACK may remain queued o...

EUVD-2026-64359

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: acquire initmm lock on huge vmap to avoid ptdump UAF Patch series "mm: fix UAF caused by race between ptdump and vmap pgtable freeing", v6. Kernel page table walkers fall into two broad categories - those ranges where...

EUVD-2026-64348

In the Linux kernel, the following vulnerability has been resolved: mac802154: fix netdev use-after-free in beacon worker mac802154beaconworker reads local-beaconreq under RCU and derives the sub-interface from the request, but then drops the RCU read lock and continues to use both sdata and the...

EUVD-2026-64364

In the Linux kernel, the following vulnerability has been resolved: net: usb: ipheth: fix carrierwork UAF on disconnect iphethsndbulkcallback re-arms the carrier-check work on any non-zero URB status: else scheduledelayedwork&dev-carrierwork, 0; Nothing ties that to the interface being up, so the...

EUVD-2026-64589

In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: cancel RS485 hrtimers after freeing IRQ The RS485 trigger hrtimers are embedded in the devm-managed port and can fire after it is freed. The IRQ handler can arm a timer, so free the IRQ first and then cancel...

EUVD-2026-64347

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtnflog: pin the NFLOG backend nflogunregister runs after the per-net teardown so its final RCU grace period also drains readers that obtained the logger from a per-net binding. However, ebtnflog passes an explicit UL...

EUVD-2026-64361

In the Linux kernel, the following vulnerability has been resolved: mm: fix incorrect flush address in direct page table reclaim When zappterange reclaims a page table, it does: ptefreetlbtlb, pmdpgtablepmdval, addr; and this is unconditionally wrong: if this code executes, addr always points one...

EUVD-2026-64593

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...

EUVD-2026-64565

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

EUVD-2026-64579

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb: Fix UAF at delayed release of MIDI2 EPs The recent fix for UAF in umptoendpoint caused another UAF because it tries to dereference the UMP endpoint object, but this might be executed at a delayed context where the...

EUVD-2026-64576

In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: re-anchor capture URBs on resubmission captureurbcomplete resubmits each capture URB without anchoring it: usbgeturburb; ret = usbsubmiturburb, GFPATOMIC; Anchoring is a property of a submission, not of the URB...