CVE-2026-72338

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

CVE-2026-72381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of fp-owner.name in durable handle owner check Two concurrent SMB2 durable reconnects DH2C/DHnC on the same persistentid race the fp-owner.name compare-read in ksmbdvfscomparedurableowner against the kfr...

CVE-2026-74335

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL pointer dereference in bpftaskfromvpid bpftaskfromvpid looks up a task in the pid namespace of the current task, via findtaskbyvpid: findtaskbyvpidvpid findtaskbypidnsvpid, taskactivepidnscurrent findpidnsnr, ns -...

CVE-2026-72408

In the Linux kernel, the following vulnerability has been resolved: geneve: gate GRO hint in genevegrocomplete on gs-grohint genevegroreceive reads the GRO hint through geneveskgrohintoff, which honours it only when the socket enabled IFLAGENEVEGROHINT gs-grohint. genevegrocomplete instead calls...

CVE-2026-72486

In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-adsp: fix UAF during device teardown When the SOF audio driver fails to initialize e.g. firmware boot timeout, its devres unwind frees the sndsofdev object that the mailbox client mtk-adsp-ipc reaches via...

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...

UBUNTU-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:...

UBUNTU-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...

UBUNTU-CVE-2026-74357

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix KASAN slab-out-of-bounds in amdgpucoredump ring dump The ring content dump in amdgpucoredump uses two separate loops over adev-rings: the first counts rings with unsignalled fences to size the allocation, and the...

UBUNTU-CVE-2026-72354

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid stale runlist element dereference in MFT writeback ntfswritemftblock maps each $MFT record through the $MFT data runlist. For sub-folio clusters it looks up a struct runlistelement under ni-runlist.lock, drops the loc...

UBUNTU-CVE-2026-72338

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

UBUNTU-CVE-2026-72335

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix adv monitor add failure cleanup hciaddadvmonitor publishes a new advmonitor in hdev-advmonitorsidr before the powered MSFT setup step. The MSFT offload add path can then fail either locally before the...

UBUNTU-CVE-2026-74348

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: require a ref for lockingstate debugfs open debuglockresopen copies inode-iprivate into struct debuglockres and debuglockresrelease later drops that pointer with dlmput. That only works if open successfully pins the...

UBUNTU-CVE-2026-74317

In the Linux kernel, the following vulnerability has been resolved: ixgbe: do not configure xps for XDP queues netifsetxpsqueue should not be called for an XDP Tx queue, since such queues are not netdev-exposed. On systems with number of CPUs =64, on E610 adapter, netdev is configured with maximu...

UBUNTU-CVE-2026-72390

In the Linux kernel, the following vulnerability has been resolved: net/sched: schteql: Introduce slaveslock to avoid race condition and UAF The teql master-slaves singly linked list is not protected against multiple writes. It can be mod'ed concurently from teqlmasterxmit, teqldequeue, teqlinit...

UBUNTU-CVE-2026-72420

In the Linux kernel, the following vulnerability has been resolved: md/raid5: avoid R5Overlap races while breaking stripe batches KCSAN report a race in breakstripebatchlist vs. raid5makerequest on sh-devi.flags plain word write vs. atomic bit op.. and .. one possible scenario is: CPU1 CPU2...

UBUNTU-CVE-2026-72483

In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421: Fix shift-out-of-bounds in max3421hubcontrol The max3421hubcontrol function handles USB hub class requests to the virtual root hub. In the default branches of both the ClearPortFeature and SetPortFeature switc...

UBUNTU-CVE-2026-74363

In the Linux kernel, the following vulnerability has been resolved: bpf: fix UAF by restoring RCU-delayed inode freeing in bpffs commit 4f375ade6aa9 "bpf: Avoid RCU context warning when unpinning htab with internal structs" moved inode cleanup from -freeinode into -destroyinode to avoid sleeping ...

UBUNTU-CVE-2026-74318

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock cloning inline extent when using flushoncommit In commit b48c980b6a7e "btrfs: fix deadlock between reflink and transaction commit when using flushoncommit" a deadlock was fixed between reflinks and transaction...

UBUNTU-CVE-2026-72486

In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-adsp: fix UAF during device teardown When the SOF audio driver fails to initialize e.g. firmware boot timeout, its devres unwind frees the sndsofdev object that the mailbox client mtk-adsp-ipc reaches via...