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-2026-80788

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations When fuzzing the nvme target code, I tripped a kernel warning in nvmettcpmapdata because the length passed into the allocator is controlled by the remote...

UBUNTU-CVE-2026-80862

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix usage of pagefragcache nvme uses pagefragcache to preallocate PDU for each preallocated request of block device. Block devices are created in parallel threads, consequently pagefragcache is used in not thread-safe...

UBUNTU-CVE-2026-80782

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: do not keep a stale msc-input if no input is claimed magicmouseinputmapping caches the first hidinput's inputdev in msc-input while the report descriptor is parsed, and the rest of the driver treats a non-NULL...

UBUNTU-CVE-2026-80839

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject unrepresentable multicast TVLV offsets The network and transport header fields in struct skbuff are 16-bit offsets from skb-head, and U16MAX is reserved as the unset transport header value. batadvtvlvcallhandle...

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-2026-80765

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-2026-80763

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-2026-80802

In the Linux kernel, the following vulnerability has been resolved: nfc: fdp: bound the device-reported read length and fix an skb leak fdpncii2cread takes the next packet length from two device-supplied bytes and never validates it. The value is a u16 used as the i2cmasterrecv count into a...

UBUNTU-CVE-2026-80806

In the Linux kernel, the following vulnerability has been resolved: ext4: don't enable DAX on new encrypted files Currently, when a new encrypted regular file is created, the call to ext4setinodeflagsinode, init=true in ext4newinode is made before EXT4INODEENCRYPT is set. As a result, it can set...

UBUNTU-CVE-2026-80809

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix missing metadata reservation for large xattrs BUG lsetxattr panics the kernel when setting a large xattr value on a fragmented filesystem where the file already has an external xattr block. CAUSE ocfs2calcxattrsetneed...

UBUNTU-CVE-2026-80814

In the Linux kernel, the following vulnerability has been resolved: rndishost: add overflow check in rndisrxfixup Add an overflow check to ensure that dataoffset + datalen + 8 does not wrap, which would enable an OOB read of the USB data buffer...

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-2026-80860

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-2026-80766

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: fix use-after-free of inrangetimer on remove uclogicremove cancels the pen in-range timer and then stops the device: timerdeletesync&drvdata-inrangetimer; hidhwstophdev; timerdeletesync only guarantees the timer is...

UBUNTU-CVE-2026-80837

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: don't queue packet path object notifications All file:line references below are against v7.2-rc4 ac5b0e5651b1. The trace was captured on 7.2.0-rc6-kasan72rc6 075b74841bd0, where the same lines apply...

UBUNTU-CVE-2026-80781

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix OOB read of field-usage in hidsetfield hidsetfield hands field-usage + offset to hiddumpinput before the guard that bounds offset: hiddumpinputfield-report-device, field-usage + offset, value; if offset =...

UBUNTU-CVE-2026-80808

In the Linux kernel, the following vulnerability has been resolved: ext4: stop retrying saturated xattr cache entries ext4xattrblockset retries when a cache entry selected for reuse has a saturated reference count after taking the buffer lock. The retry returns to the mbcache lookup without makin...

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-2026-80830

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-2026-80813

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-2026-80794

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-2026-80777

In the Linux kernel, the following vulnerability has been resolved: futex/pi: Plug private futex exec race The check for private futexes whether the waiter's mm, which is stored in the futexkey and copied into the pistate, is the same as the owner's mm is not sufficient for exec. exec has a gap...

UBUNTU-CVE-2026-80758

In the Linux kernel, the following vulnerability has been resolved: futex: Avoid private hash use-after-free on final put futexprivatehashput drops the reference to fph before evaluating fph-mm for wakeupvar. futexrefput enables preemption again before returning. If that put drops the final...

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-2026-80850

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-2026-80772

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: fix out-of-bounds read in joyconctlrreadhandler joyconctlrreadhandler casts an incoming HID input report to struct joyconinputreport and parses it, guarding the cast only with a 12-byte length check: if size = 12 /...

UBUNTU-CVE-2026-80851

In the Linux kernel, the following vulnerability has been resolved: gtp: serialize PDP context updates PDP contexts can be deleted through GTPCMDDELPDP or while the GTP network device is being unregistered. The latter is serialized by RTNL, but the generic-netlink delete path only holds RCU...

UBUNTU-CVE-2026-80848

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

UBUNTU-CVE-2026-80798

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: reject PDUs shorter than the LLCP header Every LLCP PDU begins with a two-byte header DSAP/SSAP + PTYPE, but the receive path never checked that a frame is at least LLCPHEADERSIZE bytes before parsing it. nfcllcprxskb...

UBUNTU-CVE-2026-80829

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB write in sndusbmidinovationoutput sndusbmidinovationoutput lays out a two-byte header at transferbuffer0..1 and passes &transferbuffer2 together with a length of ep-maxtransfer - 2 to sndrawmiditransmit:...

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-2026-80846

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-2026-80836

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-2026-80803

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-2026-80790

In the Linux kernel, the following vulnerability has been resolved: nvmet-fc: fix invalid free in LS IOD error path nvmetfcalloclsiodlist advances iod while initializing the LS IOD array. If an rqstbuf allocation or response buffer DMA mapping fails, the unwind loop decrements iod past the start ...

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-2026-80840

In the Linux kernel, the following vulnerability has been resolved: ipv6: seg6: clear IPv4 control block on IPIP decapsulation End.DX4 and End.DT4 decapsulate an IPv4 packet through decapandvalidate and send it directly to IPv4 routing. The inner packet therefore bypasses iprcvcore, which normall...

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-2026-80852

In the Linux kernel, the following vulnerability has been resolved: tls: device: fix out-of-bounds write in tlsappendfrag Found with syzkaller and a local syzbot instance running on top of a netdevsim TLS offload emulation; tlsdevice.c is otherwise only reachable on a machine with a NIC that...

UBUNTU-CVE-2026-80775

In the Linux kernel, the following vulnerability has been resolved: futex: Fix race on the initial mm-futex.phash.ref allocation futexhashallocate allocates mm-futex.phash.ref without any locking. Commit d9b05321e21e "futex: Move futexhashfree back to mmput" moved the allocation here and assumed...

UBUNTU-CVE-2026-80784

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix memory leak from alloc-during-teardown race mptcppmdestroy empties msk-pm.annolist and msk-pm.userspacepmlocaladdrlist under msk-pm.lock during socket teardown, dropping the lock between the two. A concurrent...

UBUNTU-CVE-2026-80810

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio size overflow in iovecfillbvec iovecfillbvec computes the folio size with a plain int 1: unsigned long foliosize = 1 folioshift; imu-folioshift is unsigned int and comes from folioshift of the folio backin...

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-2026-80843

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-2026-80844

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before computing or verifying the ICV. ipv6rearrangerthdr assumes that segmentsleft is not larger than the number of addresses described by t...

UBUNTU-CVE-2026-80769

In the Linux kernel, the following vulnerability has been resolved: HID: rapoo: 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-2026-80853

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Allocate full pages for DE,ENCRYPT ops on SNP-enabled hosts When de,encrypting memory of an SEV or SEV-ES guest on an SNP-enabled host via a temporary buffer, allocate a full 4KiB page for the buffer to ensure the page...

UBUNTU-CVE-2026-80780

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: fix OOB write when hid-inputs is empty hidpidffinitwithquirks derives its inputdev from listentryhid-inputs.next, struct hidinput, list without first checking that hid-inputs is non-empty. The list member of struct...