UBUNTU-CVE-2026-80860

In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 "fuse: clear intrentry in fuseresend and fuseremovependingreq" the WARNON!listempty&req-intrentry in fuserequestfree still triggers due to the following race: ...

UBUNTU-CVE-2026-80779

In the Linux kernel, the following vulnerability has been resolved: net/ionic: avoid OOB TX partner lookup for hwstamp RXQ The dedicated hardware timestamp RX queue is allocated with q-index equal to lif-ionic-nrxqsperlif. The normal txqcqs array only contains the regular queue pairs, so using th...

UBUNTU-CVE-2026-80765

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTHHIDINITIALDEVICEINFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsconreceivedeviceinfo trusts...

UBUNTU-CVE-2026-80830

In the Linux kernel, the following vulnerability has been resolved: usb: core: Add lock to usbwakeupnotification Add a spin lock to usbwakeup notification to prevent a race condition with dereferencing freed memory. This could be hit by the xHCI driver as it calls this function from an IRQ and...

UBUNTU-CVE-2026-80828

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Complete cleanup after system-resume errors A failed system resume can leave the card unusable until reboot. usbaudioresume jumps to errout when sndusbpcmresume or sndusbmixerresume fails. The error path skips th...

UBUNTU-CVE-2026-80842

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: fix use-after-free of a master VLAN's multicast context brmulticasttoggleonevlan clears BRVLFLAGMCASTENABLED under br-multicastlock before stopping a VLAN's multicast context. That is the teardown handshake:...

UBUNTU-CVE-2026-80760

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject HCICMDSYNC paramslen above 255 mgmthcicmdsync checks that the message length agrees with paramslen but puts no upper bound on it. paramslen is le16 while the parameter length in the HCI command header is a...

UBUNTU-CVE-2026-80815

In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: Use a private URB for the notification endpoint scarlett2initnotify used mixer-urb, which sndusbmixerstatuscreate allocates for the UAC2 status interrupt endpoint and mixer.c manages. On a device with that...

UBUNTU-CVE-2026-80811

In the Linux kernel, the following vulnerability has been resolved: iouring/cmd: fix iovec leak when the async cmd is not recycled An ioasynccmd carries an iovec array in -vec.iovec, allocated when the vec has to grow and kept across recycling through ctx-cmdcache. On two paths nothing frees it a...

UBUNTU-CVE-2026-80861

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: bail out of setup if the controller is inaccessible xhcigensetup locates the operational registers using the capability length read from the very first register: xhci-opregs = hcd-regs +...

UBUNTU-CVE-2026-80827

In the Linux kernel, the following vulnerability has been resolved: USB: serial: option: fix slab OOB read in interrupt URB callback The interrupt URB buffer is allocated in setupportinterruptin based on the endpoint's wMaxPacketSize: buffersize = usbendpointmaxpepd; port-interruptinbuffer =...

UBUNTU-CVE-2026-80818

In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Fix CMDSYNC use-after-free on teardown armsmmuimplremove is registered as a devres action in armsmmuimplprobe, before armsmmuinitqueues allocates smmu-cmdq.q.base. On a devres unwind, whether a failed probe ...

UBUNTU-CVE-2026-80778

In the Linux kernel, the following vulnerability has been resolved: futex/pi: Reject cross-mm private futex owners A private futex key borrows the waiter's mm without taking an mmusers reference. Nevertheless, attachtopiowner currently accepts an owner from a different address space and copies th...

UBUNTU-CVE-2026-80856

In the Linux kernel, the following vulnerability has been resolved: fuse: fix invalidate lock leak on setattr writeback failure fusedosetattr takes filemapinvalidatelock for a DAX truncate faultblocked = true and releases it at the out:/error: labels. But when a writeback flush is also needed, a...

UBUNTU-CVE-2026-80770

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: stop device IO before hidhwstop on probe failure nintendohidprobe calls hiddeviceiostart before joyconinit and joyconledscreate. If either fails, the error path jumps to errclose which calls hidhwclose/hidhwstop...

UBUNTU-CVE-2026-80864

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix responder UAF on IBQPMAXDESTRDATOMIC modifyqp rxeqpfromattr handles IBQPMAXDESTRDATOMIC outside the IBQPSTATE path, so it holds no statelock and runs while the responder task rxereceiver recvtask on rxewq is live. A...

UBUNTU-CVE-2026-80850

In the Linux kernel, the following vulnerability has been resolved: tcp: fix AO info use-after-free in tcpaoconnectinit tcpv4connect adds a SYN-SENT socket to the ehash before calling tcpconnect. If TCP-AO is configured, tcpconnect first verifies that a key matches the peer and the bound device's...

UBUNTU-CVE-2026-80855

In the Linux kernel, the following vulnerability has been resolved: fuse: fix invalidate lock leak on open OTRUNC DAX failure fuseopen takes filemapinvalidatelock for a DAX truncate daxtruncate = true and releases it before the outinodeunlock label. But when fusedaxbreaklayouts fails, the goto...

UBUNTU-CVE-2026-80826

In the Linux kernel, the following vulnerability has been resolved: USB: c67x00: fix use-after-free in c67x00addisourb When TD creation fails for the last packet of an isochronous URB, c67x00addisourb gives the URB back before updating the endpoint scheduling state. c67x00givebackurb frees the UR...

UBUNTU-CVE-2026-80807

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

UBUNTU-CVE-2026-80823

In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate ATRREQ length against the received frame st21nfcatmrecvatrreq checks that the received ATRREQ frame is at least ST21NFCAATRREQMINSIZE and that the self-declared atrreq-length is at least sizeofstruct...

UBUNTU-CVE-2026-80803

In the Linux kernel, the following vulnerability has been resolved: nfc: digital: clamp SENSFRES length to the destination buffer digitalinrecvsensfres memcpys resp-len bytes from a remote NFC-F device response into the NFCSENSFRESMAXSIZE-byte target.sensfres field without an upper-bound check. A...

UBUNTU-CVE-2026-80771

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: register input device after capabilities are set inputregisterdevice exposes the device to userspace immediately. In joyconinputcreate it was called before joyconconfigrumble configures the FFRUMBLE capability and...

UBUNTU-CVE-2026-80846

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

UBUNTU-CVE-2026-80773

In the Linux kernel, the following vulnerability has been resolved: HID: huawei: fix missing hidisusb check tousbinterface can only be used on a hiddevice whose parent is really USB; uhid can create devices that identify as being on BUSUSB, but don't actually have a USB parent. Fix the use of...

UBUNTU-CVE-2026-80831

In the Linux kernel, the following vulnerability has been resolved: crypto: mxs-dcp - fix source scatterlist length access mxsdcpaesblockcrypt uses sgdmalen without mapping the source scatterlist with dmamapsg first. Therefore, sgdmalen is invalid and could return zero or a stale DMA length,...

UBUNTU-CVE-2026-80817

In the Linux kernel, the following vulnerability has been resolved: iommu/iommufd: Fix NULL pointer deref in iommufdioaschangeprocess when racing with ioptmapfilepages iommufdioaschangeprocess iterates every IOAS area while only holding every IOAS iovarwsem, so it assumes every area has a non-NUL...

UBUNTU-CVE-2026-80857

In the Linux kernel, the following vulnerability has been resolved: fuse: wait for FRFINISHED on abortonkill to prevent use-after-free The abortonkill path in requestwaitanswer calls fuseabortconn and returns without waiting for FRFINISHED. If fusedevdowrite is concurrently processing the same...

UBUNTU-CVE-2026-80813

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix NULL pointer dereference in nvmetexecuteidentifynslist When a host issues an Identify command with CNS 07h Active Namespace ID List for a specific I/O Command Set, nvmetexecuteidentifynslist is called with matchcss set...

UBUNTU-CVE-2026-80822

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: Add null check for devmkasprintf Add a check to see if devmkasprintf is not NULL in mchpipcgetclusteraggrirq, returning -ENOMEM if the function failed...

UBUNTU-CVE-2026-80799

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: fix OOB read and u8 offset wrap in TLV parsers nfcllcpparsegbtlv and nfcllcpparseconnectiontlv contain three related bugs in their TLV parsing loops: 1. 'offset' is declared u8 but tlvarraylen is u16. When TLV data...

UBUNTU-CVE-2026-80836

In the Linux kernel, the following vulnerability has been resolved: crypto: virtio - bound the akcipher result length virtiocryptodataqakciphercallback sets the result length from the device-reported response length without bounding it to the destination buffer, which was allocated for the origin...

UBUNTU-CVE-2026-80859

In the Linux kernel, the following vulnerability has been resolved: fuse: fix missing barrier when checking io-uring readiness fuseblockalloc reads fch-initialized and then fch-iouring. fch-iouring is set before fch-initialized, ordered by the smpwmb in fusechansetintialized, but fuseblockalloc h...

UBUNTU-CVE-2026-80843

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix xfrmstateconstruct auth-trunc leak attachauthtrunc can allocate x-aalg while leaving x-props.aalgo at zero when the selected auth algorithm has no sadbalgid. One real case is cmacaes. xfrmstateconstruct then treats...

UBUNTU-CVE-2026-80792

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6finishoutput2 ip6finishoutput2 caches a pointer to the IPv6 destination address daddr before invoking lwtunnelxmit. The LWT-BPF transmit path or other encapsulation operations within lwtunnelxmit ca...

UBUNTU-CVE-2026-80762

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-reqlock, but accept-list...

UBUNTU-CVE-2026-80835

In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Remove cryptorng interface qcom-rng.c exposes the same hardware through two completely separate interfaces, cryptorng and hwrng. However, the implementation of this is buggy because it permits generation...

UBUNTU-CVE-2026-80768

In the Linux kernel, the following vulnerability has been resolved: HID: ft260: fix stack-use-after-return write in I2C read race ft260i2cread points dev-readbuf at a caller-supplied buffer often an on-stack variable, arms a completion and waits up to five seconds for the device to return the dat...

UBUNTU-CVE-2026-80764

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

UBUNTU-CVE-2026-80794

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix uninit-value in the RF discover/activated NTF handlers ncirfdiscoverntfpacket and ncirfintfactivatedntfpacket each parse a notification into an on-stack struct ncirfdiscoverntf / ncirfintfactivatedntf that is not...

UBUNTU-CVE-2026-80763

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hcicclesetcigparams trusts...

UBUNTU-CVE-2026-80796

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: add datalen bound checks to activation parameter extractors nciextractactivationparamsisodep and nciextractactivationparamsnfcdep read an inner length byte from the NCI RFINTFACTIVATEDNTF payload and use it to memcpy in...

UBUNTU-CVE-2026-80767

In the Linux kernel, the following vulnerability has been resolved: HID: sensor: custom: Fix use-after-free in enablesensor enablesensorstore can call setpowerreportstate, which dereferences sensorinst-powerstate and sensorinst-reportstate. These pointers refer to entries in sensorinst-fields...

UBUNTU-CVE-2026-80845

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

UBUNTU-CVE-2026-80795

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: fix out-of-bounds write in ncitargetautoactivated ncitargetautoactivated appends a target to the fixed-size array ndev-targetsNCIMAXDISCOVEREDTARGETS and increments ndev-ntargets without first checking the array is full...

UBUNTU-CVE-2026-85522

A vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0. Affected by this vulnerability is the function createSlotImportJob of the file src/clustermigrateslots.c of the component Slot Migration. The manipulation of the argument jobname results in out-of-bounds read. The attack can be...

UBUNTU-CVE-2026-85534

A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the library can buffer more data than the current flow-control window later allows. A malicious HTTP/2 server can shrink SETTINGSINITIALWINDOWSIZE while that buffered read is still in progres...

UBUNTU-CVE-2026-81666

An integer overflow was found in Corosync's handling of membership commit token messages. The length-validation check for these messages can be bypassed on 32-bit systems due to an integer overflow in the calculation of the expected message length, allowing a crafted network packet to trigger an...

UBUNTU-CVE-2026-85197

A flaw was found in libsoup. A malicious HTTP/2 server or a Man-in-the-Middle MITM attacker can exploit a heap use-after-free vulnerability in the HTTP/2 client implementation. This occurs when a GNOME application uploads a file using HTTP/2, and the server sends a GOAWAY frame while the file bod...

UBUNTU-CVE-2026-85508

ipmi-oem in FreeIPMI before 1.6.19 has a stack-based buffer overflow in outputdellsysteminfocmcipv6info in ipmi-oem/ipmi-oem-dell.c cmc-ipv6-info subcommand to dell get-system-info...