UBUNTU-CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

UBUNTU-CVE-2026-72405

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: prevent double queueing in udptunnelnicdevicesync Yue Sun reported a use-after-free and debugobjects warning in udptunnelnicdevicesyncwork during concurrent device operations. The workqueue core clears the interna...

CVE-2026-72435

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu and rcuassignpointer Sashiko pointed out that kfreercu was called before rcuassignpointer in handling the comment extension. Fix the order so that rcuassignpointer called first...

UBUNTU-CVE-2026-72337

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72299

In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock held while the socket is owned by user context. The spinlock protects the backlog queue in this path, but it does not serialize...

CVE-2026-74387

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: midi: Serialize output teardown with eventinput eventprocessmidi borrows msynth-outputrfile.output and then passes the substream to dumpmidi and sndrawmidikernelwrite without synchronizing with the output open/close...

CVE-2026-74398

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrconf: bail out of dadfailure when state is no longer POSTDAD addrconfdadfailure transitions ifp-state from DAD to POSTDAD via addrconfdadend, which drops ifp-lock on return. The lock is re-acquired after...

UBUNTU-CVE-2026-72427

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix effective prog array index with BPFFPREORDER replaceeffectiveprog and purgeeffectiveprogs located the slot in the effective array by walking the program hlist and counting entries linearly. That count does not match the...

CVE-2026-74289

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't dump dying fibinfo in fibleafnotify. syzbot reported use-after-free in nsimfib4prepareevent. 0 The problem is that the following functions call fibinfohold / refcountinc while dumping fibinfo under RCU, which is...

CVE-2026-74401

In the Linux kernel, the following vulnerability has been resolved: dlm: fix add msg handle in sendqueue ordered In a benchmark scenario triggering a lot of requests that triggers a lot of DLM messages on the network it can be that the mh-seq is not ordered according the oldest seq number. This...

CVE-2026-72454

In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in i3chciaddrtodev i3chciaddrtodev walks bus-devs.i3c, which is protected by bus.lock rwsem. However, it is invoked from the MIPI I3C HCI IRQ handler, which cannot take bus.lock. This allows concurrent...

CVE-2026-72419

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnat: avoid invalid natnet pointer use on failed nfnatinit We ran into below KASAN splat, which is mostly uninteresting, beside for having nfnatregisterfn in the call chain as a cause for the offending access:...

CVE-2026-74352

In the Linux kernel, the following vulnerability has been resolved: of: reservedmem: avoid post-init UAF when allocreservedmemarray fails The global pointer 'reservedmem' continues to reference the reservedmemarray which lives in initdata if allocreservedmemarray fails. ofreservedmemlookup is...

CVE-2026-72336

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control getl2capconn looks up an LE hciconn under hdev protection, but then drops that protection before reading hcon-l2capdata and before lowpancontrolwrite later dereferences...

CVE-2026-72449

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix listdel corruption in kfdcriuresumesvm The cleanup tail of kfdcriuresumesvm walks svms-criusvmmetadatalist and kfrees each struct criusvmmetadata without removing it from the list. The list head is left pointing a...

CVE-2026-72411

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mxl862xx: fix use-after-free of DSA ports in crcerrwork Upon an MDIO CRC error mxl862xxcrcerrworkfn walks the DSA ports and closes the CPU port conduits: dsaswitchforeachcpuportdp, priv-ds devclosedp-conduit;...

CVE-2026-74296

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Release the HW‑provided UAR index rather than the SW one Free the UAR index returned by the hardware...

CVE-2026-74415

In the Linux kernel, the following vulnerability has been resolved: spi: atcspi200: fix use-after-free when driver unbind DMA resource is initialized after SPI controller registration. So when driver unbind, this can trigger a use-after-free when DMA is torn down while the controller is still ali...

UBUNTU-CVE-2026-72383

In the Linux kernel, the following vulnerability has been resolved: sctp: fix addrwqtimer race in sctpfreeaddrwq sctpfreeaddrwq previously removed addrwqtimer using timerdelete while holding addrwqlock. However, timerdelete does not guarantee that a currently running timer handler has completed...

UBUNTU-CVE-2026-74388

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data The OSS sequencer processes the input MIDI bytes into a sequencer event to be dispatched later in sndseqossmidiputc called from sndseqossprocessevent. When it's ...