UBUNTU-CVE-2026-116078

Allocation of Resources Without Limits or Throttling vulnerability in the HTTP/2 request body reader of mtrudel bandit allows an unauthenticated remote attacker to exhaust server memory via a request body sent as many 1-byte DATA frames. doreaddata/5 in lib/bandit/http2/stream.ex keeps every DATA...

UBUNTU-CVE-2026-93515

A use-after-free in presentclearwindownotifies in the X.org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by malicious X clients to crash or potentially execute code in the X server context...

UBUNTU-CVE-2026-93516

A use-after-free caused by lack of lifecycle management when adding / removing XInput master devices in X.org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X Clients to crash the X server or potentially execute code in X server context...

UBUNTU-CVE-2026-99199

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: hip04eth: Move setting of netops to fix crash hip04macprobe calls ofphyconnect before ndev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since the commit ...

UBUNTU-CVE-2026-99108

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix FITRIM range alignment ntfstrimfs aligns the start of a free extent up to the device discard granularity, but derives the discard length by aligning the original extent length down. When the free extent start is not...

UBUNTU-CVE-2026-99106

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: free the userptr ranges when a CS fails after parserbos amdgpucsparserbos allocates an HMM range for every userptr entry of the BO list and looks up the user pages. Those ranges are only freed when amdgpucsparserbos...

UBUNTU-CVE-2026-99147

In the Linux kernel, the following vulnerability has been resolved: drm/exec: don't immediately add prelocked obj to array of locked objs When a contention is detected the drmexec object grabs a reference to the contended object, unlocks all other objects and pre-locks the contended one before...

UBUNTU-CVE-2026-99214

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Move packet RAM enable to PM runtime Audio can be triggered by the HPD handler and start up before video has been restored, calling vc4hdmiwriteinfoframe for the audio infoframe. vc4hdmiwriteinfoframe needs Packet...

UBUNTU-CVE-2026-99164

In the Linux kernel, the following vulnerability has been resolved: spi: imx: fix slab corruption from undersized DMA bounce buffers Since commit faa8e404ad8e "spi: imx: support dynamic burst length for ECSPI DMA mode", the driver allocates its private DMA TX/RX buffers with kzallocdmalen, where...

UBUNTU-CVE-2026-99168

In the Linux kernel, the following vulnerability has been resolved: mshvvtl: Check per-CPU register page before mmap Register-page setup is optional for each CPU. If allocation or registration fails, mshvvtlconfigureregpage warns and leaves that CPU's regpage NULL, but initial context setup...

UBUNTU-CVE-2026-99136

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: fix a tiny race condition in cryptdecpending cryptdecpending reads io-error before calling atomicdecandtest. Another context, for example cryptendio called from an interrupt, may set io-error and drop its reference...

UBUNTU-CVE-2026-99142

In the Linux kernel, the following vulnerability has been resolved: tracing: Check operator stack capacity before pushing predicateparse uses the first operator stack entry before processing any opening parentheses. A push then increments top before writing. The existing check still permits that...

UBUNTU-CVE-2026-99186

In the Linux kernel, the following vulnerability has been resolved: x86/insn-eval: Fix shadowed segment index in getsegregoverrideidx Commit 45e1dccc0653 "x86/insn: Simplify foreachinsnprefix" made foreachinsnprefix declare its own loop counter named idx. getsegregoverrideidx keeps its result in ...

UBUNTU-CVE-2026-99105

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix stall when a task enqueued with SCXENQLAST lands back on its CPU's local DSQ With SCXOPSENQLAST, the last runnable task on a CPU is passed to ops.enqueue instead of being kept running. Exiting tasks without...

UBUNTU-CVE-2026-99111

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix data corruption with concurrent writes and OTRUNC cifsdotruncate flushes dirty pages with filemapwriteandwait and truncates the file on the server, but in the old code both operations ran without holding irwsem o...

UBUNTU-CVE-2026-99208

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Zero OA buffer at allocation ttmbotypekernel BOs are not guaranteed to be zeroed on allocation and may contain data from previously freed pages. Since the OA buffer is mmap'able by userspace, this can expose stale kern...

UBUNTU-CVE-2026-99123

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: validate packet source for connected sockets virtiotransportrecvpkt looks up sockets first by the full source and destination tuple, then by destination only in the bound table. The fallback is needed for listening...

UBUNTU-CVE-2026-99171

In the Linux kernel, the following vulnerability has been resolved: ntfs3: free the sbi after a grace period If the "nocase" mount option ntfs3 uses custom hash and dentry compare functions. Both access ntfs3 superblock private information in rcu pathwalk. ntfsputsuper and ntfs3killsb drop the in...

UBUNTU-CVE-2026-99202

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix SMP IO deadlock during HA resume smpexecutetasksg calls pmruntimegetsync on the host before issuing an SMP command. When that command is itself issued from the HA resume path, the getsync deadlocks: it waits for...

UBUNTU-CVE-2026-99140

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix hist trigger timestamps for buffered events Syzkaller triggered a WARNONONCE!nest warning: WARNING: kernel/trace/ringbuffer.c:821 at ringbuffereventtimestamp Call trace: ringbuffereventtimestamp histfieldtimestamp...

UBUNTU-CVE-2026-99173

In the Linux kernel, the following vulnerability has been resolved: eventfs: Free the eventfsinode after an rcu grace period too tracefsdrevalidate reads -isfreed of the eventfsinode that dentry-dfsdata points to, and -drevalidate is called in rcu pathwalk mode with nothing but rcureadlock held...

UBUNTU-CVE-2026-99178

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Don't consume async PF flags on a kernel PF in NMI context An async PF "page not present" event arrives through the PF vector, and its reason sits in the per-CPU apfreason.flags until kvmhandleasyncpf reads and clears it...

UBUNTU-CVE-2026-99157

In the Linux kernel, the following vulnerability has been resolved: scsi: bsg: Pass replylen to bsgsetupqueue to fit UFS ARPMB replies bsg-lib allocates a 96-byte SCSISENSEBUFFERSIZE reply buffer per job, but struct ufsrpmbreply is 104 bytes: a 40-byte struct ufsbsgreply followed by a 64-byte EHS...

UBUNTU-CVE-2026-99185

In the Linux kernel, the following vulnerability has been resolved: firewire: core: fix race condition in split transaction handling For a split transaction, either fwcorehandleresponse or splittransactiontimeoutcallback may manipulate the same transaction entry in the pending transaction list. T...

UBUNTU-CVE-2026-99184

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: search every core slot when a core is removed rocketremove decrements rdev-numcores for each core it removes, while findcorefordev searches slots 0 to numcores - 1. Unbinding the cores in the order they were bound...

UBUNTU-CVE-2026-99101

In the Linux kernel, the following vulnerability has been resolved: ntfs: move attribute payload before shrinking its record ntfsnewattrflags resizes the non-resident attribute record before moving its name and mapping pairs to their shorter-header offsets when compression or sparse state is...

UBUNTU-CVE-2026-99153

In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Validate the ITT reflected in a Reject PDU A Reject PDU carries a copy of the header it rejects, and iscsihandlereject takes the ITT out of that copy to find the task to clean up: memcpy&rejectedpdu, data,...

UBUNTU-CVE-2026-99180

In the Linux kernel, the following vulnerability has been resolved: unicode: free the map after a grace period genericcidhash and genericcidcompare read sb-sencoding and dereference the unicode map while a pathwalk in rcu mode holds nothing but rcureadlock. The filesystems that use them, ext4, f2...

UBUNTU-CVE-2026-99126

In the Linux kernel, the following vulnerability has been resolved: s390/ctcm: Prevent XID null dereference The mpcvalidatexid function sets grp-savedxid2-xid2flag2 to 0x40 to signal XID validation error. If peer XID is NULL or r/w channel pairing mismatch happens, grp-savedxid2 is never...

UBUNTU-CVE-2026-99211

In the Linux kernel, the following vulnerability has been resolved: netlink: reset skb headers before unicast and multicast filtering Socket filters can use SKFNETOFF and SKFLLOFF to read relative to an skb's network and MAC headers. Netlink producers may reserve headroom without resetting those...

UBUNTU-CVE-2026-99133

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix the recvmsg window update iucvsockrecvmsg sends the HiperSockets-only AFIUCVFLAGWIN without testing the transport, so on a classic z/VM socket iucvsendctrl sizes the skb through a NULL iucv-hsdev. SOMSGLIMIT accepts...

UBUNTU-CVE-2026-99181

In the Linux kernel, the following vulnerability has been resolved: autofs: ignore notification errors from a replaced pipe autofsnotifydaemon takes a reference to the current notification pipe under wqmutex, then drops the mutex before writing the request. The write can block while the daemon...

UBUNTU-CVE-2026-99150

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: don't drop the runtime PM reference twice in amdgpugpr amdgpudebugfsgprread drops its runtime PM reference right after reading the wave registers. When copying them to userspace fails, it jumps to the err label, which...

UBUNTU-CVE-2026-99207

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Disable interrupts while holding delayedcmdlock targetdodelayedwork takes dev-delayedcmdlock with a plain spinlock. It runs from systempercpuwq, so interrupts stay enabled while the lock is held. Every other...

UBUNTU-CVE-2026-99204

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: Protect the recovery list during debugfs reads Recovery participant records must remain alive while debugstateprint walks reco.nodedata and formats their fields. The formatter holds dlm-spinlock, but the recovery...

UBUNTU-CVE-2026-99167

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix use-after-free in tcfactionput tcfactionput decrements the reference count before decrementing the binding count. Another thread can free the action between these operations, causing the binding-count update to...

UBUNTU-CVE-2026-99216

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Don't reset VMBus connection state on error/exit paths In two places, current code forces vmbusconnection.connstate to DISCONNECTED prior to calling vmbusdisconnect. But vmbusdisconnect calls vmbusinitiateunload, whi...

UBUNTU-CVE-2026-99141

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash in printgraphfunctionevent tracingsettracer assigns the flags of the newly selected tracer with: tr-currenttraceflags = t-flags ? : t-tracer-flags; If the new tracer defines neither static flags nor default...

UBUNTU-CVE-2026-99196

In the Linux kernel, the following vulnerability has been resolved: net: au1000: move setting of netops to fix crash au1000probe calls au1000miiprobe, which connects the PHY, before dev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since...

UBUNTU-CVE-2026-99193

In the Linux kernel, the following vulnerability has been resolved: net: ti: icssm-prueth: Move setting of netops to fix crash icssmpruethnetdevinit calls ofphygetandconnect before ndev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through netdevneedopslock since...

UBUNTU-CVE-2026-99198

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: actions: Move setting of netops to fix crash owlemacprobe calls owlemacphyinit, which connects the PHY, before netdev-netdevops is assigned. phyattachdirect - phylinktopoaddphy reads dev-netdevops through...

UBUNTU-CVE-2026-99144

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix use-after-free of a destroyed user DSQ by a deferred reenqueue A deferred reenqueue can read a freed user DSQ. The request stays on its CPU's deferred list until rundeferred takes it, and the RCU callback that frees...

UBUNTU-CVE-2026-99119

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/userq: actually validate userq BOs This was supposed to loop over the individual evicted list, as the kernel and alwaysvalid evicted lists were already handled in amdgpuvmvalidate. Without this, BOs that were created a...

UBUNTU-CVE-2026-99114

In the Linux kernel, the following vulnerability has been resolved: ksmbd: initialize FileSystemControlFlags in FSCONTROLINFORMATION smb2getinfofilesystem reports 48 bytes for FSCONTROLINFORMATION, that is the whole of struct smb2fscontrolinfo, but never assigns FileSystemControlFlags. Those four...

UBUNTU-CVE-2026-99190

In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix memory leak in gpiodsetarrayvaluecomplex on error paths A drive-by review by Sashiko reports that, after a failed call to gpiochipsetmultiple, gpiodsetarrayvalue returns abruptly, bypassing the freeing of possibly...

UBUNTU-CVE-2026-99143

In the Linux kernel, the following vulnerability has been resolved: tracing: Keep the predicate limit separate from program capacity predicateparse adds two to nrpreds to reserve the terminal TRUE and FALSE entries. It also uses that increased value as the limit for parsed predicates. If the...

UBUNTU-CVE-2026-99132

In the Linux kernel, the following vulnerability has been resolved: xfs: don't hold buffer locks across sync transaction commit in xfssyncsbbuf xfssyncsbbuf holds sb/rtsb buffer locks across a synchronous xfstranscommit, which flushes the CIL push workqueue internally. If shutdown occurs during t...

UBUNTU-CVE-2026-99169

In the Linux kernel, the following vulnerability has been resolved: futex: Fix mm reuse handling for FUTOFFMMSHARED A FUTOFFMMSHARED futex is a shared futex that refers to an MM. It is possible for a process to wait on a shared futex with a different MM because a FUTOFFINODE waiter can be requeue...

UBUNTU-CVE-2026-99148

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: keep the eviction fence until the last handle is closed amdgpugemobjectclose detaches the user queue eviction fence from the BO before it checks bova-refcount, so closing any handle of a BO removes the fence, even whe...

UBUNTU-CVE-2026-99120

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Cope with the SS bit being set in NPF exit codes When running Hyper-V from Windows 11, KVM is seeing the SS bit set in nested page fault error codes produced for shadowed NPT. The AMD manual is unclear about when SS...