UBUNTU-CVE-2026-72472

In the Linux kernel, the following vulnerability has been resolved: nfs: use nfsi-rwsem to protect traversal of the file lock list Lingfeng identified a bug and suggested two solutions, but both appear to have issues. Generally, we cannot release flclock while iterating over the file lock list to...

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-2026-74320

In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer mode from OF has 'use after free', 'buffer overrun' and memory leaks. info-ediddata isn't free if the probe functions fail or if pd-defmode ...

UBUNTU-CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

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-2026-74363

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-2026-74325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

UBUNTU-CVE-2026-72463

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb-dev refcnt until after transportfinish. However, xfrmrcvcb may modify skb-dev to tunnel dev without taking device reference, such as vtircvcb. T...

UBUNTU-CVE-2026-74350

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate fast symlink target during inode read ocfs2validateinodeblock already rejects several inconsistent self-contained dinodes before they are exposed to the rest of the filesystem. Fast symlinks need the same treatmen...

UBUNTU-CVE-2026-72443

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Kill MIDI 2.0 URBs before freeing endpoints MIDI 2.0 input URBs are started during sndusbmidiv2create. A later setup failure can still jump to sndusbmidiv2free, which currently frees each endpoint and its coheren...

UBUNTU-CVE-2026-72491

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix race condition on rdma-state in transrdma.c The rdma-state field is modified without holding reqlock in both recvdone and p9cmeventhandler, while rdmarequest accesses the same field under the reqlock spinlock. This...

UBUNTU-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...

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...

UBUNTU-CVE-2026-74369

In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix u-a-f in luofileunpreservefiles and luofilefinish In luofileunpreservefiles and luofilefinish, reorder moduleput and xaerase to ensure the file handler module remains pinned while its operations are being accessed...

UBUNTU-CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

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-2026-72484

In the Linux kernel, the following vulnerability has been resolved: staging: most: video: avoid double free on video register failure compregistervideodev allocates a videodevice with videodevicealloc and releases it if videoregisterdevice fails. This can double free the videodevice when...

UBUNTU-CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

UBUNTU-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...

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...