UBUNTU-CVE-2026-98217

In the Linux kernel, the following vulnerability has been resolved: IB/mlx4: Fix use-after-free on pkey sysfs registration failure registerpkeytree ignores errors from registeronepkeytree and continues registering the remaining slaves. The per-slave error path has already released the pkey parent...

UBUNTU-CVE-2026-98333

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: reset the LED state when ifup fails When the first interface comes up, the radio LED is turned on. This can start the TPT trigger timer, which continues running. But if bringing up the interface fails then the tim...

UBUNTU-CVE-2026-98285

In the Linux kernel, the following vulnerability has been resolved: net: bridge: vlan: fix bugs caused by switchdev deletion errors Allowing switchdev to prevent vlan deletion and error out in vlandel could cause multiple different issues - inconsistent state, memory leaks when flushing, NULL...

UBUNTU-CVE-2026-98276

In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sockgettstamp sk-skflags must only be changed while holding the socket lock, because socksetflag and sockresetflag use non atomic operations setbit and clearbit. sockgettstamp is one of the last places whe...

UBUNTU-CVE-2026-98337

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't start a ROC while scanning The ROC work can be pending when a scan starts which requires ROC list to be empty, but that's possible, and then a new ROC can be added to the list and the work will pick it up...

UBUNTU-CVE-2026-98266

In the Linux kernel, the following vulnerability has been resolved: ALSA: core: Fix potential UAF after asynchronous card release Usually a sound driver releases the resources assigned to the card via sndcardfree, and it synchronizes with the whole release procedure. However, when the card is...

UBUNTU-CVE-2026-98332

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: only operate on TDLS peers in the TDLS code ieee80211tdlsoper can operate on the AP station, which then yields various warnings when the AP station is removed then or at a later point in time after being confused...

UBUNTU-CVE-2026-98300

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call skbcloneandcharger for closed listener in tcpv6dorcv. tcpv6dorcv no longer calls skbcloneandcharger for TCPLISTEN since commit 073d89808c06 "net: fix data-races around sk-skforwardalloc". However, there is still a...

UBUNTU-CVE-2026-98312

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: fix OOB write from device-reported iso length usb6firepcminurbhandler sizes each outgoing isochronous packet as actuallength - 4 / innanalog buffer, a 4832-byte object from kcallocPCMMAXPACKETSIZE, PCMNPACKETSPERURB...

UBUNTU-CVE-2026-98236

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: check skbcopybits return value mhimbimrx ignores the return value of skbcopybits when it copies each datagram out of the NTB. The datagram offset and length come from the DPE, which is only checked to lie...

UBUNTU-CVE-2026-98258

In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list Kijo analyzed another race in the POSIX CPU timer code: Commit bf635681c906 converted cputimer::firing from a tristate value to a boolean. This lost the...

UBUNTU-CVE-2026-98250

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of NFSEXPPNFS in the netlink codepath The rework of how block layouts were checked moved the check for NFSEXPPNFS out of nfsd4setuplayouttype and into the callers. That patch didn't account for the new call in...

UBUNTU-CVE-2026-98232

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Validate MODE SENSE lengths in scsicdlenable scsicdlenable uses length fields returned by MODE SENSE to locate the ATA feature mode page in a 64-byte stack buffer. A target can report a total length shorter than its...

UBUNTU-CVE-2026-98260

In the Linux kernel, the following vulnerability has been resolved: exec: Cleanup POSIX timers right after dethread A per-thread CPU timer holds a reference to the PID of the thread it is attached to and, while it is armed, its node is queued in that thread's posixcputimers. The task is looked up...

UBUNTU-CVE-2026-98322

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftnat: fully initialise newaddr in netmap setup nftnatsetupnetmap builds the mapped address in an on-stack union nfinetaddr. For an IPv4 mapping it writes only the 4-byte .ip member and the loop runs a single 32-bit...

UBUNTU-CVE-2026-98367

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Clear association under lock if siwqpmodify fails in siwaccept We need to clear cep before release statelock as siwqpllpclose and siwqpmodify-siwqpllpclose did. Otherwise if siwqpmodify fails in siwaccept, the QP's...

UBUNTU-CVE-2026-98307

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: cleanup arsta in ath11kmacpeercleanupall When mac80211 removes a sta, it calls .stastate which in turn calls ath11kmacstationremove. In that function we clean up both peers & arsta related resources. But when the...

UBUNTU-CVE-2026-98295

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: coredump: Quiesce dump work on unregister hcidevcdhandlepktinit arms dumptimeout and coredump producers queue dumprx without holding an hdev reference. Unregister leaves both works live, so disconnecting during an acti...

UBUNTU-CVE-2026-98314

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: set timer-privatedata before registering the PCM timer sndpcmtimerinit calls snddeviceregister to link the new struct sndtimer into the global timer list while it still carries hw.cresolution = sndpcmtimerresolution an...

UBUNTU-CVE-2026-98199

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/core increase number of phases and add new mask Increase the number of phases to 16 as a new upcoming device supports such a number. While at it, add a new mask for controlling the source of the output voltage. Note...

UBUNTU-CVE-2026-98326

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: mesh: release the channel if start fails ieee80211joinmesh acquires a channel context and then calls ieee80211startmesh, which can fail. In that case, the chanctx isn't released then interface removal will attempt...

UBUNTU-CVE-2026-98242

In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fix silent overflow for phys vec to sgt In case MMIO size is bigger than 4G and peer2peer DMA goes through host bridge, we trigger a code path that assigns the total linked IOVA which is greater than 4G to mappedlen...

UBUNTU-CVE-2026-98291

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix off-by-one bounds check in RX submit btintelpciesubmitrx used frbdindex rxq-count to guard the FRBD array access, allowing frbdindex == rxq-count to pass through and index one element past the end of t...

UBUNTU-CVE-2026-98296

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: validate TX skb length in sendsync btintelpciepreparetx copies skb-len bytes into a fixed BTINTELPCIEBUFFERSIZE 4096 DMA slot via an unchecked memcpy. Oversized packets are currently rejected only in...

UBUNTU-CVE-2026-98279

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle lack of space when cleaning up verity items When enableverity hits the qgroup limit, rollbackverity needs its own metadata reservation. When the qgroup limit or lack of space refuses the rollback, the whole filesyst...

UBUNTU-CVE-2026-98215

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replaces vma-vmfile with a backing file. For nested backing files overlayfs...

UBUNTU-CVE-2026-98205

In the Linux kernel, the following vulnerability has been resolved: Input: evdev - zero absinfo before partial copy in EVIOCSABS The EVIOCSABS handler copies at most the user supplied ioctl size into an uninitialized on-stack struct inputabsinfo: if copyfromuser&abs, p, mintsizet, size,...

UBUNTU-CVE-2026-98227

In the Linux kernel, the following vulnerability has been resolved: memstick: msblock: destroy ioqueue workqueue on removal msbinitdisk creates the per-card ordered workqueue msb-ioqueue with allocorderedworkqueue. It is torn down with destroyworkqueue only on the init error path; msbremove never...

UBUNTU-CVE-2026-98247

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicodec: validate vendor codec count length The Read Local Supported Codecs parsers consume the variable-sized standard codec array before parsing the vendor codec count. Although the initial reply-size check includes...

UBUNTU-CVE-2026-98321

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnat: unregister and release hooks on error If nfhookentriesinsertraw fails, the NAT hooks get never released, resulting in a memleak. Postpone setting natprotonet-nathookops when the hooks are registered to simplify...

UBUNTU-CVE-2026-98369

In the Linux kernel, the following vulnerability has been resolved: xfrm: add missing rcureadlock, skbdstforce and devhold for xfrmtransreinject syzbot reported a suspicious RCU usage warning in ip6pktdrop: WARNING: suspicious RCU usage in ip6pktdrop include/net/addrconf.h:389 suspicious...

UBUNTU-CVE-2026-98297

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix queuing txwork after workqueue is drained hcisendacl, hcisendsco and hcisendiso queue hdev-txwork unconditionally. They can run from the L2CAP/SCO/ISO socket send path while hcidevclosesync is draining...

UBUNTU-CVE-2026-98344

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix device kref underflow in dmachanput dmachanget takes chan-device-ref only on the slow path: / no kref on fast path / if chan-clientcount modulegetowner; chan-clientcount++; return 0; if !trymodulegetowner return...

UBUNTU-CVE-2026-98331

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: unlist vifs when their netdev is unregistered mac80211 only removes vifs from the local-interfaces list when an interface is removed via ieee80211ifremove, before it unregisters the netdev. However, it's possible...

UBUNTU-CVE-2026-98281

In the Linux kernel, the following vulnerability has been resolved: futex: Also allocate private hash on vfork As Jann demonstrated, it is entirely feasible to access the mm through vfork. Therefore we need to allocate a private hash on vfork as well as any other CLONEVM user. Specifically, it mu...

UBUNTU-CVE-2026-98368

In the Linux kernel, the following vulnerability has been resolved: esp: downgrade zerocopy managed frags before mutating skb frags On the out-of-place output path esp-inplace == false ESP rewrites the skb frag array: espoutputhead appends a trailer frag and espoutputtail replaces the frags with ...

UBUNTU-CVE-2026-98192

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: Fix potential use-after-free in TX ack timer teardown wcn36xxdxedeinit tears down the TX ack timer with timerdelete, which only dequeues the timer and does not wait for a callback that is already executing; the...

UBUNTU-CVE-2026-98249

In the Linux kernel, the following vulnerability has been resolved: arm64: hibernate: pass HVCSETVECTORS args to the resume hvc swsusparchsuspendexit reinstalls the restored kernel's hyp stub vectors with an hvc, but never passes the arguments. x0 is not set to HVCSETVECTORS and x1 is not set to...

UBUNTU-CVE-2026-98336

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't offload TC setup on APVLAN interfaces APVLAN interfaces are purely virtual, so don't try to offload TC setup to drivers. We can't really use the AP interface either since we may not know it all the time, and...

UBUNTU-CVE-2026-98195

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlegacy: fix broadcast stations deallocation On the error path of il4965up, ildeallocbcaststations clears only ILSTAUCODEACTIVE, leaving ILSTABCAST set. This causes the same broadcast stations to be deallocated again by...

UBUNTU-CVE-2026-98317

In the Linux kernel, the following vulnerability has been resolved: neighbour: Enforce min/max to NDTPAINTERVALPROBETIMEMS. NDTPAINTERVALPROBETIMEMS sets .type and .min but misses .validationtype, so no validation is applied: ynl --family rt-neigh --do setneightbl \ --json '"name": "arpcache",...

UBUNTU-CVE-2026-98263

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: rt712-sdca-dmic: fix uninitialized streamconfig-type streamconfig is not initialized before being passed to sdwstreamaddslave. The type field may contain garbage and is later copied to stream-type by sdwconfigstream...

UBUNTU-CVE-2026-98309

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Use managed KMS polling to fix UAF on unbind vc4kmsload calls drmkmshelperpollinit but the driver provides no matching drmkmshelperpollfini. The output poll work stays scheduled after unbind and runs on the freed...

UBUNTU-CVE-2026-98351

In the Linux kernel, the following vulnerability has been resolved: wifi: virtwifi: free skb when disconnected When the simulated link is disconnected, virtwifistartxmit returns NETXMITDROP without freeing the skb. devhardstartxmit treats this return value as consumed, so every packet sent while...

UBUNTU-CVE-2026-98347

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Avoid restoring OPERUP after multicast flush ipoibibdevflushlight temporarily clears IPOIBFLAGOPERUP to prevent multicast joins while ipoibmcastdevflush is running, and restores the flag afterwards if it was previously...

UBUNTU-CVE-2026-98180

In the Linux kernel, the following vulnerability has been resolved: drm/msm: RCU-free the scheduler-containing ring and VM objects Both struct msmringbuffer and struct msmgemvm embed a struct drmgpuscheduler. msmringbufferdestroy and the VM free callback msmgemvmfree call drmschedfini on the...

UBUNTU-CVE-2026-98289

In the Linux kernel, the following vulnerability has been resolved: afunix: Unify sccindex when finalising SCC in unixwalkscc. Commit bfdb01283ee8 "afunix: Assign a unique index to SCC." changed Tarjan's algorithm to update lowlink with lowlink, which is called lowpoint unixvertex.sccindex...

UBUNTU-CVE-2026-98246

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Serialize local codec list cleanup hcidevclosesync clears hdev-localcodecs after releasing hdev-lock. Codec list additions and both traversals in scosockgetsockopt use that lock, but the close path does not. A...

UBUNTU-CVE-2026-98237

In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhiwwanmbim: guard against a cyclic NDP chain The NDP traversal in mhimbimrx only stops when wNextNdpIndex is zero. Nothing requires the offsets to advance, so a modem that points an NDP at itself, or at an earlier NDP...

UBUNTU-CVE-2026-98282

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the overflow validation in iommutcecheckioba The commit b1af23d836f8 "KVM: PPC: iommu: Unify TCE checking" unified IOBA parameter checking across KVM and VFIO into iommutcecheckioba. While doing so, the passed ...