UBUNTU-CVE-2026-98861

In the Linux kernel, the following vulnerability has been resolved: fprobe: Use guardrcuschednotrace and check rcuiswatching unregisterfprobe and unregisterfprobeasync used by BPF kprobe-multi rely on standard RCU grace periods synchronizercu and callrcu to wait until in-flight fprobe handlers...

UBUNTU-CVE-2026-98866

In the Linux kernel, the following vulnerability has been resolved: sched/cache: Introduce taskstruct-schedcachegrp to fix UAF Add a schedcachegrp pointer to taskstruct so that scheduler code can access the cache group directly via the task, without going through mm-schedcachegrp. This decouples...

UBUNTU-CVE-2026-98436

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Disable device buffer exporting Device buffers are never intended to be exported. Disable exporting support explicitly...

UBUNTU-CVE-2026-98446

In the Linux kernel, the following vulnerability has been resolved: xfs: don't let hiddenspace go negative in xfsmetafileresvinit LOLLM points out that if the amount of fdblocks that we can reserve for a metadata btree file goes below the space already used by that file, then the hiddenspace...

UBUNTU-CVE-2026-98448

In the Linux kernel, the following vulnerability has been resolved: xfs: release orphanage dir inode if chown fails LOLLM points out that we leak the igrab'd reference to the orphanage directory inode if chowning it fails. Fix that...

UBUNTU-CVE-2026-98450

In the Linux kernel, the following vulnerability has been resolved: smb: client: close completed creates on compound wait errors compoundsendrecv waits for responses in order. If a later wait is interrupted, or if a later MID fails during response synchronization, an earlier CREATE may already ha...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

UBUNTU-CVE-2026-98457

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: validate frame length before control and FCS access l2capdatarcv unpacks either a two-byte or four-byte control field without first ensuring that it is present. A short ERTM or streaming-mode frame can therefore...

UBUNTU-CVE-2026-98465

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Serialize IMSIC attributes with vCPU migration KVM device ioctls are not serialized against KVMRUN. As a result, kvmriscvaiaimsicrwattr can snapshot the physical CPU and HGEI of an IMSIC VS-file before a concurrent...

UBUNTU-CVE-2026-98469

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix AArch32 DBGBXVR handling The consolidation of the breakpoint and watchpoint register accessors switched DBGBXVR from trapbvr to trapdbgwbreg. The latter selects backing storage with demuxwbreg, which only handles...

UBUNTU-CVE-2026-98475

In the Linux kernel, the following vulnerability has been resolved: s390/cmf: Fix virtual vs physical address confusion The measurement block address is an absolute address. Define the associated schibconfig and schib fields as dma64t to enable automatic detection of incorrect assignments. Also a...

UBUNTU-CVE-2026-98478

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Keep internal commands dispatchable during error handling Commit 08b12cda6c44 "scsi: ufs: core: Switch to scsigetinternalcmd" switched UFS internal commands to allocate requests on hba-host-pseudosdev-requestqueu...

UBUNTU-CVE-2026-98479

In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsitcp: Check the data direction of a Data-In PDU The Data-In branch of iscsitcphdrdissect resolves the ITT to a task and copies the PDU's data segment into that command's scatterlist without asking whether the command...

UBUNTU-CVE-2026-98481

In the Linux kernel, the following vulnerability has been resolved: nfc: port100: reject frames whose declared length exceeds the received data port100recvresponse passes the URB transfer buffer to port100rxframeisvalid, which checksums le16tocpuframe-datalen bytes of frame-data. datalen is a...

UBUNTU-CVE-2026-98485

In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6trt: fix zero-address non-strict match out-of-bounds read rtmt6check permits rules to be configured with rtinfo-addrnr == 0 even when address matching IP6TRTFSTMASK is requested. In the IP6TRTFSTNSTRICT path, rtmt6...

UBUNTU-CVE-2026-98486

In the Linux kernel, the following vulnerability has been resolved: net: ena: fix MMIO read buffer leak on probe failure enadeviceinit initializes the MMIO read mechanism with enacommmioregreadrequestinit, which allocates a coherent DMA buffer for MMIO read responses. The normal removal path...

UBUNTU-CVE-2026-98487

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mdb: restart port group walk after deletion brmdbflushpgs keeps a pointer-to-pointer cursor while walking mp-ports. brmulticastdelpg can re-enter the same MDB entry through brmulticastsgdelexcludeports and unlink oth...

UBUNTU-CVE-2026-98495

In the Linux kernel, the following vulnerability has been resolved: net: arp: terminate device name before lookup The ARP ioctl copies a user-provided struct arpreq into a stack object. Its arpdev field may contain IFNAMSIZ bytes without a NUL terminator. Such input is passed to devgetbynamercu o...

UBUNTU-CVE-2026-98499

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix OOB read in wacomwacpenserialenforce The 'wacomwacpenserialenforce' function may calculate and pass an invalid offset to hidfieldextract, resulting in memory reads at incorrect addresses -- possibly beyond the end...

UBUNTU-CVE-2026-98508

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix NULL pointer dereference on fence allocation failure virtiogpufencealloc can fail due to memory pressure and return NULL, but its caller like virtiogpuinitsubmit never checks it. Later, virtiogpuinitsubmit passes...