UBUNTU-CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

UBUNTU-CVE-2026-98494

In the Linux kernel, the following vulnerability has been resolved: net: atl1: fix soft lockup on out-of-range cmbtpdnexttoclean read Same issue as atl1c see the first commit in this series, "net: atl1c: fix soft lockup on out-of-range tpdcons read": the hardware can report an out-of-range...

UBUNTU-CVE-2026-98823

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: preserve hidden-group beacon IE ownership A hidden-group probe-response entry borrows its beacon IEs from the group's beacon entry. cfg80211updateassocbssentry can pass such an entry to cfg80211updateknownbss when...

Linux Distros Unpatched Vulnerability : CVE-2026-98441

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actct: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up processing both again...

Linux Distros Unpatched Vulnerability : CVE-2026-98446

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-98433

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: PPC: Book3S HV: fix secure device page leak on uvpagein failure In kvmppcsvmpagein, if uvpagein fails after kvmppcuvmemgetpage has succeeded, the secure...

UBUNTU-CVE-2026-98489

In the Linux kernel, the following vulnerability has been resolved: net: atl1c: fix soft lockup on out-of-range tpdcons read The hardware can report an out-of-range tpdcons seen as 0xffff while the PCIe link/MAC is resetting. An out-of-range value can never be reached and the loop below would spi...

UBUNTU-CVE-2026-98548

In the Linux kernel, the following vulnerability has been resolved: sctp: discard the rest of the packet on a stale-cookie error When an association is in COOKIE-ECHOED state and the peer sends a bundled ERRORStale CookieDATA packet from one of its non-primary addresses, processing the ERROR chun...

UBUNTU-CVE-2026-98550

In the Linux kernel, the following vulnerability has been resolved: tipc: reject invalid and unexpected GRPACKMSG to prevent bcackers underflow Commit 48a5fe38772b "tipc: fix bcackers underflow on duplicate GRPACKMSG" rejected duplicate/stale ACKs in tipcgroupprotorcv by returning early when...

UBUNTU-CVE-2026-98567

In the Linux kernel, the following vulnerability has been resolved: net: xps: reject an out of range traffic class Only the entries below dev-numtc are valid in dev-tctotxq, and dev-priotcmap may only name classes below it. netdevsetnumtc lowers dev-numtc without touching either array...

UBUNTU-CVE-2026-98573

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix pull-bound underflow in skbchecksumsetupipv6 skbmaybepulltail subtracts skbheadlenskb from the unsigned max argument and passes the result to pskbpulltail as a signed int. The function does not ensure that max is...

UBUNTU-CVE-2026-98590

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfsock context code generation Currently, the ctx access code reads the rxqueuemapping field with either a 4-byte or 2-byte load. The rest of the bits in the register are marked known zero by the verifier. However, the...

UBUNTU-CVE-2026-98597

In the Linux kernel, the following vulnerability has been resolved: net: usb: sr9700: include receive overhead in the length check The receive fixup subtracts the Ethernet CRC from the reported packet length, but compares that payload length against the whole remaining receive buffer. The followi...

UBUNTU-CVE-2026-98608

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leak in virtiogpuresourcecreateioctl virtiogpuresourcecreateioctl calls drmgemobjectrelease on the drmgemhandlecreate error path instead of dropping the reference it owns, so obj-funcs-free never runs and t...

UBUNTU-CVE-2026-98609

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix object leak when drmgemhandlecreate fails virtiogpugemcreate owns the reference taken by virtiogpuobjectcreate. On the drmgemhandlecreate error path it calls drmgemobjectrelease instead of dropping that reference...

UBUNTU-CVE-2026-98631

In the Linux kernel, the following vulnerability has been resolved: xsk: Use a 32-bit compare in xskmapgenlookup xskmapgenlookup loads a u32 key and compares it with maxentries using BPFJMPIMM. BPF immediates are sign-extended to 64 bits, so a maxentries value of 0x80000000 or higher becomes a...

UBUNTU-CVE-2026-98637

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Do not clear VM-wide SVE feature on vCPU init failure pkvmvcpuinitsve clears KVMARMVCPUSVE in kvm-arch.vcpufeatures when it fails, but vcpuhassve tests KVMARCHFLAGGUESTHASSVE, which is left set. Later vCPUs on that VM...

UBUNTU-CVE-2026-98684

In the Linux kernel, the following vulnerability has been resolved: smb: client: flush and commit data before querying allocated ranges The mode 0 / FALLOCFLKEEPSIZE fallocate emulation for small interior ranges in smb3simplefallocaterange issues FSCTLQUERYALLOCATEDRANGES and zero-fills any...

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-2026-98507

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix missing barrier between anonvma init and vma-anonvma publish On arm64 server, we find that a task trying to grab the anonvma lock triggers hungtask. INFO: task main:2354726 blocked for more than 120 seconds. Tainted:...